Abstract

We report on the photoluminescence (PL) and lasing characteristics of ZnO nanorod arrays (NRAs) fabricated by hydrothermal process on nanocrystalline ZnO seeded Si and post-growth annealing. The morphology of the ZnO NRAs was examined by field emission scanning electron microscopy and the structure was characterized by x-ray diffraction, Fourier-transform infrared and Raman scattering spectroscopy. The properties of light emission were studied by continuous wave (CW) and 30 ps pulsed ultraviolet excitation. The ZnO NRAs consist of aligned nanorods and are nanocrystalline with wurtzite structure and c-axis orientation. At room temperature, the ZnO NRAs are capable of emitting strong CW PL and pulsed stimulated emission, with the latter showing obvious lasing characteristics. The threshold for lasing was observed to be ~16 kW/cm2.

© 2012 OSA

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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
  21. B. P. Zhang, N. T. Binh, Y. Segawa, K. Wakatsuki, and N. Usami, “Optical properties of ZnO rods formed by metalorganic chemical vapor deposition,” Appl. Phys. Lett.83(8), 1635–1637 (2003).
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2012 (1)

Q. Li, K. Gao, Z. G. Hu, W. L. Yu, N. Xu, J. Sun, and J. D. Wu, “Photoluminescence and lasing properties of catalyst-free ZnO nanorod arrays fabricated by pulsed laser deposition,” J. Phys. Chem. C116(3), 2330–2335 (2012).
[CrossRef]

2011 (1)

K. Okazaki, D. Nakamura, M. Higashihata, P. Iyamperumal, and T. Okada, “Lasing characteristics of an optically pumped single ZnO nanosheet,” Opt. Express19(21), 20389–20394 (2011).
[CrossRef] [PubMed]

2010 (2)

P.-H. Dupont, C. Couteau, D. J. Rogers, F. Hosseini Téhérani, and G. Lérondel, “Waveguiding-assisted random lasing in epitaxial ZnO thin film,” Appl. Phys. Lett.97(26), 261109 (2010).
[CrossRef]

E. S. Jang, X. Chen, J. H. Won, J. H. Chung, D. J. Jang, Y. W. Kim, and J. H. Choy, “Soft-solution route to ZnO nanowall array with low threshold power density,” Appl. Phys. Lett.97(4), 043109 (2010).
[CrossRef]

2009 (1)

K. Gao, W. Zhang, J. Sun, N. Xu, Z. F. Ying, Q. Li, J. Gan, and J. D. Wu, “Influences of substrate and annealing on the structural and optical properties and photoluminescence of nanocrystalline ZnO films prepared by plasma assisted pulsed laser deposition,” J. Phys. Chem. C113(44), 19139–19144 (2009).
[CrossRef]

2007 (1)

L. Miao, S. Tanemura, Y. Ieda, M. Tanemura, Y. Hayashi, H. Y. Yang, S. P. Lau, B. K. Tay, and Y. G. Cao, “Synthesis, morphology and random laser action of ZnO nanostructures,” Surf. Sci.601(13), 2660–2663 (2007).
[CrossRef]

2006 (3)

Z. K. Tang, M. Kawasaki, A. Ohtomo, H. Koinuma, and Y. Segawa, “Self-assembled ZnO nano-crystals and exciton lasing at room temperature,” J. Cryst. Growth287(1), 169–179 (2006).
[CrossRef]

B. Q. Cao, W. P. Cai, H. B. Zeng, and G. T. Duan, “Morphology evolution and photoluminescence properties of ZnO films electrochemically deposited on conductive glass substrates,” J. Appl. Phys.99(7), 073516 (2006).
[CrossRef]

H. Y. Yang, S. P. Lau, S. F. Yu, A. P. Abiyasa, M. Tanemura, T. Okita, and H. Hatano, “High-temperature random lasing in ZnO nanoneedles,” Appl. Phys. Lett.89(1), 011103 (2006).
[CrossRef]

2005 (3)

W. Shan, W. Walukiewicz, J. W. Ager, K. M. Yu, H. B. Yuan, H. P. Xin, G. Cantwell, and J. J. Song, “Nature of room-temperature photoluminescence in ZnO,” Appl. Phys. Lett.86(19), 191911 (2005).
[CrossRef]

D. H. Fan, Z. Y. Ning, and M. F. Jiang, “Characteristics and luminescence of Ge doped ZnO films prepared by alternate radio frequency magnetron sputtering,” Appl. Surf. Sci.245(1-4), 414–419 (2005).
[CrossRef]

T. Okada, K. Kawashima, and M. Ueda, “Ultraviolet lasing and field emission characteristics of ZnO nano-rods synthesized by nano-particle-assisted pulsed-laser ablation deposition,” Appl. Phys., A Mater. Sci. Process.81(5), 907–910 (2005).
[CrossRef]

2004 (1)

C. Y. Geng, Y. Jiang, Y. Yao, X. M. Meng, J. A. Zapien, C. S. Lee, Y. Lifshitz, and S. T. Lee, “Well-aligned ZnO nanowire arrays fabricated on silicon substrates,” Adv. Funct. Mater.14(6), 589–594 (2004).
[CrossRef]

2003 (1)

B. P. Zhang, N. T. Binh, Y. Segawa, K. Wakatsuki, and N. Usami, “Optical properties of ZnO rods formed by metalorganic chemical vapor deposition,” Appl. Phys. Lett.83(8), 1635–1637 (2003).
[CrossRef]

2001 (1)

M. H. Huang, S. Mao, H. Feick, H. Q. Yan, Y. Y. Wu, H. Kind, E. Weber, R. Russo, and P. D. Yang, “Room-temperature ultraviolet nanowire nanolasers,” Science292(5523), 1897–1899 (2001).
[CrossRef] [PubMed]

1999 (1)

H. Cao, Y. G. Zhao, S. T. Ho, E. W. Seelig, Q. H. Wang, and R. P. H. Chang, “Random laser action in semiconductor powder,” Phys. Rev. Lett.82(11), 2278–2281 (1999).
[CrossRef]

1998 (1)

H. Cao, Y. G. Zhao, H. C. Ong, S. T. Ho, J. Y. Dai, J. Y. Wu, and R. P. H. Chang, “Ultraviolet lasing in resonators formed by scattering in semiconductor polycrystalline films,” Appl. Phys. Lett.73(25), 3656–3658 (1998).
[CrossRef]

1993 (1)

W. Wegscheider, L. N. Pfeiffer, M. M. Dignam, A. Pinczuk, K. W. West, S. L. McCall, and R. Hull, “Lasing from excitons in quantum wires,” Phys. Rev. Lett.71(24), 4071–4074 (1993).
[CrossRef] [PubMed]

1990 (1)

M. A. Verges, A. Mifsud, and C. J. Serna, “Formation of rod-like zinc oxide microcrystals in homogeneous solutions,” J. Chem. Soc., Faraday Trans.86, 959–963 (1990).
[CrossRef]

1966 (1)

T. C. Damen, S. P. S. Porto, and B. Tell, “Raman effect in zinc oxide,” Phys. Rev.142(2), 570–574 (1966).
[CrossRef]

Abiyasa, A. P.

H. Y. Yang, S. P. Lau, S. F. Yu, A. P. Abiyasa, M. Tanemura, T. Okita, and H. Hatano, “High-temperature random lasing in ZnO nanoneedles,” Appl. Phys. Lett.89(1), 011103 (2006).
[CrossRef]

Ager, J. W.

W. Shan, W. Walukiewicz, J. W. Ager, K. M. Yu, H. B. Yuan, H. P. Xin, G. Cantwell, and J. J. Song, “Nature of room-temperature photoluminescence in ZnO,” Appl. Phys. Lett.86(19), 191911 (2005).
[CrossRef]

Binh, N. T.

B. P. Zhang, N. T. Binh, Y. Segawa, K. Wakatsuki, and N. Usami, “Optical properties of ZnO rods formed by metalorganic chemical vapor deposition,” Appl. Phys. Lett.83(8), 1635–1637 (2003).
[CrossRef]

Cai, W. P.

B. Q. Cao, W. P. Cai, H. B. Zeng, and G. T. Duan, “Morphology evolution and photoluminescence properties of ZnO films electrochemically deposited on conductive glass substrates,” J. Appl. Phys.99(7), 073516 (2006).
[CrossRef]

Cantwell, G.

W. Shan, W. Walukiewicz, J. W. Ager, K. M. Yu, H. B. Yuan, H. P. Xin, G. Cantwell, and J. J. Song, “Nature of room-temperature photoluminescence in ZnO,” Appl. Phys. Lett.86(19), 191911 (2005).
[CrossRef]

Cao, B. Q.

B. Q. Cao, W. P. Cai, H. B. Zeng, and G. T. Duan, “Morphology evolution and photoluminescence properties of ZnO films electrochemically deposited on conductive glass substrates,” J. Appl. Phys.99(7), 073516 (2006).
[CrossRef]

Cao, H.

H. Cao, Y. G. Zhao, S. T. Ho, E. W. Seelig, Q. H. Wang, and R. P. H. Chang, “Random laser action in semiconductor powder,” Phys. Rev. Lett.82(11), 2278–2281 (1999).
[CrossRef]

H. Cao, Y. G. Zhao, H. C. Ong, S. T. Ho, J. Y. Dai, J. Y. Wu, and R. P. H. Chang, “Ultraviolet lasing in resonators formed by scattering in semiconductor polycrystalline films,” Appl. Phys. Lett.73(25), 3656–3658 (1998).
[CrossRef]

Cao, Y. G.

L. Miao, S. Tanemura, Y. Ieda, M. Tanemura, Y. Hayashi, H. Y. Yang, S. P. Lau, B. K. Tay, and Y. G. Cao, “Synthesis, morphology and random laser action of ZnO nanostructures,” Surf. Sci.601(13), 2660–2663 (2007).
[CrossRef]

Chang, R. P. H.

H. Cao, Y. G. Zhao, S. T. Ho, E. W. Seelig, Q. H. Wang, and R. P. H. Chang, “Random laser action in semiconductor powder,” Phys. Rev. Lett.82(11), 2278–2281 (1999).
[CrossRef]

H. Cao, Y. G. Zhao, H. C. Ong, S. T. Ho, J. Y. Dai, J. Y. Wu, and R. P. H. Chang, “Ultraviolet lasing in resonators formed by scattering in semiconductor polycrystalline films,” Appl. Phys. Lett.73(25), 3656–3658 (1998).
[CrossRef]

Chen, X.

E. S. Jang, X. Chen, J. H. Won, J. H. Chung, D. J. Jang, Y. W. Kim, and J. H. Choy, “Soft-solution route to ZnO nanowall array with low threshold power density,” Appl. Phys. Lett.97(4), 043109 (2010).
[CrossRef]

Choy, J. H.

E. S. Jang, X. Chen, J. H. Won, J. H. Chung, D. J. Jang, Y. W. Kim, and J. H. Choy, “Soft-solution route to ZnO nanowall array with low threshold power density,” Appl. Phys. Lett.97(4), 043109 (2010).
[CrossRef]

Chung, J. H.

E. S. Jang, X. Chen, J. H. Won, J. H. Chung, D. J. Jang, Y. W. Kim, and J. H. Choy, “Soft-solution route to ZnO nanowall array with low threshold power density,” Appl. Phys. Lett.97(4), 043109 (2010).
[CrossRef]

Couteau, C.

P.-H. Dupont, C. Couteau, D. J. Rogers, F. Hosseini Téhérani, and G. Lérondel, “Waveguiding-assisted random lasing in epitaxial ZnO thin film,” Appl. Phys. Lett.97(26), 261109 (2010).
[CrossRef]

Dai, J. Y.

H. Cao, Y. G. Zhao, H. C. Ong, S. T. Ho, J. Y. Dai, J. Y. Wu, and R. P. H. Chang, “Ultraviolet lasing in resonators formed by scattering in semiconductor polycrystalline films,” Appl. Phys. Lett.73(25), 3656–3658 (1998).
[CrossRef]

Damen, T. C.

T. C. Damen, S. P. S. Porto, and B. Tell, “Raman effect in zinc oxide,” Phys. Rev.142(2), 570–574 (1966).
[CrossRef]

Dignam, M. M.

W. Wegscheider, L. N. Pfeiffer, M. M. Dignam, A. Pinczuk, K. W. West, S. L. McCall, and R. Hull, “Lasing from excitons in quantum wires,” Phys. Rev. Lett.71(24), 4071–4074 (1993).
[CrossRef] [PubMed]

Duan, G. T.

B. Q. Cao, W. P. Cai, H. B. Zeng, and G. T. Duan, “Morphology evolution and photoluminescence properties of ZnO films electrochemically deposited on conductive glass substrates,” J. Appl. Phys.99(7), 073516 (2006).
[CrossRef]

Dupont, P.-H.

P.-H. Dupont, C. Couteau, D. J. Rogers, F. Hosseini Téhérani, and G. Lérondel, “Waveguiding-assisted random lasing in epitaxial ZnO thin film,” Appl. Phys. Lett.97(26), 261109 (2010).
[CrossRef]

Fan, D. H.

D. H. Fan, Z. Y. Ning, and M. F. Jiang, “Characteristics and luminescence of Ge doped ZnO films prepared by alternate radio frequency magnetron sputtering,” Appl. Surf. Sci.245(1-4), 414–419 (2005).
[CrossRef]

Feick, H.

M. H. Huang, S. Mao, H. Feick, H. Q. Yan, Y. Y. Wu, H. Kind, E. Weber, R. Russo, and P. D. Yang, “Room-temperature ultraviolet nanowire nanolasers,” Science292(5523), 1897–1899 (2001).
[CrossRef] [PubMed]

Gan, J.

K. Gao, W. Zhang, J. Sun, N. Xu, Z. F. Ying, Q. Li, J. Gan, and J. D. Wu, “Influences of substrate and annealing on the structural and optical properties and photoluminescence of nanocrystalline ZnO films prepared by plasma assisted pulsed laser deposition,” J. Phys. Chem. C113(44), 19139–19144 (2009).
[CrossRef]

Gao, K.

Q. Li, K. Gao, Z. G. Hu, W. L. Yu, N. Xu, J. Sun, and J. D. Wu, “Photoluminescence and lasing properties of catalyst-free ZnO nanorod arrays fabricated by pulsed laser deposition,” J. Phys. Chem. C116(3), 2330–2335 (2012).
[CrossRef]

K. Gao, W. Zhang, J. Sun, N. Xu, Z. F. Ying, Q. Li, J. Gan, and J. D. Wu, “Influences of substrate and annealing on the structural and optical properties and photoluminescence of nanocrystalline ZnO films prepared by plasma assisted pulsed laser deposition,” J. Phys. Chem. C113(44), 19139–19144 (2009).
[CrossRef]

Geng, C. Y.

C. Y. Geng, Y. Jiang, Y. Yao, X. M. Meng, J. A. Zapien, C. S. Lee, Y. Lifshitz, and S. T. Lee, “Well-aligned ZnO nanowire arrays fabricated on silicon substrates,” Adv. Funct. Mater.14(6), 589–594 (2004).
[CrossRef]

Hatano, H.

H. Y. Yang, S. P. Lau, S. F. Yu, A. P. Abiyasa, M. Tanemura, T. Okita, and H. Hatano, “High-temperature random lasing in ZnO nanoneedles,” Appl. Phys. Lett.89(1), 011103 (2006).
[CrossRef]

Hayashi, Y.

L. Miao, S. Tanemura, Y. Ieda, M. Tanemura, Y. Hayashi, H. Y. Yang, S. P. Lau, B. K. Tay, and Y. G. Cao, “Synthesis, morphology and random laser action of ZnO nanostructures,” Surf. Sci.601(13), 2660–2663 (2007).
[CrossRef]

Higashihata, M.

K. Okazaki, D. Nakamura, M. Higashihata, P. Iyamperumal, and T. Okada, “Lasing characteristics of an optically pumped single ZnO nanosheet,” Opt. Express19(21), 20389–20394 (2011).
[CrossRef] [PubMed]

Ho, S. T.

H. Cao, Y. G. Zhao, S. T. Ho, E. W. Seelig, Q. H. Wang, and R. P. H. Chang, “Random laser action in semiconductor powder,” Phys. Rev. Lett.82(11), 2278–2281 (1999).
[CrossRef]

H. Cao, Y. G. Zhao, H. C. Ong, S. T. Ho, J. Y. Dai, J. Y. Wu, and R. P. H. Chang, “Ultraviolet lasing in resonators formed by scattering in semiconductor polycrystalline films,” Appl. Phys. Lett.73(25), 3656–3658 (1998).
[CrossRef]

Hosseini Téhérani, F.

P.-H. Dupont, C. Couteau, D. J. Rogers, F. Hosseini Téhérani, and G. Lérondel, “Waveguiding-assisted random lasing in epitaxial ZnO thin film,” Appl. Phys. Lett.97(26), 261109 (2010).
[CrossRef]

Hu, Z. G.

Q. Li, K. Gao, Z. G. Hu, W. L. Yu, N. Xu, J. Sun, and J. D. Wu, “Photoluminescence and lasing properties of catalyst-free ZnO nanorod arrays fabricated by pulsed laser deposition,” J. Phys. Chem. C116(3), 2330–2335 (2012).
[CrossRef]

Huang, M. H.

M. H. Huang, S. Mao, H. Feick, H. Q. Yan, Y. Y. Wu, H. Kind, E. Weber, R. Russo, and P. D. Yang, “Room-temperature ultraviolet nanowire nanolasers,” Science292(5523), 1897–1899 (2001).
[CrossRef] [PubMed]

Hull, R.

W. Wegscheider, L. N. Pfeiffer, M. M. Dignam, A. Pinczuk, K. W. West, S. L. McCall, and R. Hull, “Lasing from excitons in quantum wires,” Phys. Rev. Lett.71(24), 4071–4074 (1993).
[CrossRef] [PubMed]

Ieda, Y.

L. Miao, S. Tanemura, Y. Ieda, M. Tanemura, Y. Hayashi, H. Y. Yang, S. P. Lau, B. K. Tay, and Y. G. Cao, “Synthesis, morphology and random laser action of ZnO nanostructures,” Surf. Sci.601(13), 2660–2663 (2007).
[CrossRef]

Iyamperumal, P.

K. Okazaki, D. Nakamura, M. Higashihata, P. Iyamperumal, and T. Okada, “Lasing characteristics of an optically pumped single ZnO nanosheet,” Opt. Express19(21), 20389–20394 (2011).
[CrossRef] [PubMed]

Jang, D. J.

E. S. Jang, X. Chen, J. H. Won, J. H. Chung, D. J. Jang, Y. W. Kim, and J. H. Choy, “Soft-solution route to ZnO nanowall array with low threshold power density,” Appl. Phys. Lett.97(4), 043109 (2010).
[CrossRef]

Jang, E. S.

E. S. Jang, X. Chen, J. H. Won, J. H. Chung, D. J. Jang, Y. W. Kim, and J. H. Choy, “Soft-solution route to ZnO nanowall array with low threshold power density,” Appl. Phys. Lett.97(4), 043109 (2010).
[CrossRef]

Jiang, M. F.

D. H. Fan, Z. Y. Ning, and M. F. Jiang, “Characteristics and luminescence of Ge doped ZnO films prepared by alternate radio frequency magnetron sputtering,” Appl. Surf. Sci.245(1-4), 414–419 (2005).
[CrossRef]

Jiang, Y.

C. Y. Geng, Y. Jiang, Y. Yao, X. M. Meng, J. A. Zapien, C. S. Lee, Y. Lifshitz, and S. T. Lee, “Well-aligned ZnO nanowire arrays fabricated on silicon substrates,” Adv. Funct. Mater.14(6), 589–594 (2004).
[CrossRef]

Kawasaki, M.

Z. K. Tang, M. Kawasaki, A. Ohtomo, H. Koinuma, and Y. Segawa, “Self-assembled ZnO nano-crystals and exciton lasing at room temperature,” J. Cryst. Growth287(1), 169–179 (2006).
[CrossRef]

Kawashima, K.

T. Okada, K. Kawashima, and M. Ueda, “Ultraviolet lasing and field emission characteristics of ZnO nano-rods synthesized by nano-particle-assisted pulsed-laser ablation deposition,” Appl. Phys., A Mater. Sci. Process.81(5), 907–910 (2005).
[CrossRef]

Kim, Y. W.

E. S. Jang, X. Chen, J. H. Won, J. H. Chung, D. J. Jang, Y. W. Kim, and J. H. Choy, “Soft-solution route to ZnO nanowall array with low threshold power density,” Appl. Phys. Lett.97(4), 043109 (2010).
[CrossRef]

Kind, H.

M. H. Huang, S. Mao, H. Feick, H. Q. Yan, Y. Y. Wu, H. Kind, E. Weber, R. Russo, and P. D. Yang, “Room-temperature ultraviolet nanowire nanolasers,” Science292(5523), 1897–1899 (2001).
[CrossRef] [PubMed]

Koinuma, H.

Z. K. Tang, M. Kawasaki, A. Ohtomo, H. Koinuma, and Y. Segawa, “Self-assembled ZnO nano-crystals and exciton lasing at room temperature,” J. Cryst. Growth287(1), 169–179 (2006).
[CrossRef]

Lau, S. P.

L. Miao, S. Tanemura, Y. Ieda, M. Tanemura, Y. Hayashi, H. Y. Yang, S. P. Lau, B. K. Tay, and Y. G. Cao, “Synthesis, morphology and random laser action of ZnO nanostructures,” Surf. Sci.601(13), 2660–2663 (2007).
[CrossRef]

H. Y. Yang, S. P. Lau, S. F. Yu, A. P. Abiyasa, M. Tanemura, T. Okita, and H. Hatano, “High-temperature random lasing in ZnO nanoneedles,” Appl. Phys. Lett.89(1), 011103 (2006).
[CrossRef]

Lee, C. S.

C. Y. Geng, Y. Jiang, Y. Yao, X. M. Meng, J. A. Zapien, C. S. Lee, Y. Lifshitz, and S. T. Lee, “Well-aligned ZnO nanowire arrays fabricated on silicon substrates,” Adv. Funct. Mater.14(6), 589–594 (2004).
[CrossRef]

Lee, S. T.

C. Y. Geng, Y. Jiang, Y. Yao, X. M. Meng, J. A. Zapien, C. S. Lee, Y. Lifshitz, and S. T. Lee, “Well-aligned ZnO nanowire arrays fabricated on silicon substrates,” Adv. Funct. Mater.14(6), 589–594 (2004).
[CrossRef]

Lérondel, G.

P.-H. Dupont, C. Couteau, D. J. Rogers, F. Hosseini Téhérani, and G. Lérondel, “Waveguiding-assisted random lasing in epitaxial ZnO thin film,” Appl. Phys. Lett.97(26), 261109 (2010).
[CrossRef]

Li, Q.

Q. Li, K. Gao, Z. G. Hu, W. L. Yu, N. Xu, J. Sun, and J. D. Wu, “Photoluminescence and lasing properties of catalyst-free ZnO nanorod arrays fabricated by pulsed laser deposition,” J. Phys. Chem. C116(3), 2330–2335 (2012).
[CrossRef]

K. Gao, W. Zhang, J. Sun, N. Xu, Z. F. Ying, Q. Li, J. Gan, and J. D. Wu, “Influences of substrate and annealing on the structural and optical properties and photoluminescence of nanocrystalline ZnO films prepared by plasma assisted pulsed laser deposition,” J. Phys. Chem. C113(44), 19139–19144 (2009).
[CrossRef]

Lifshitz, Y.

C. Y. Geng, Y. Jiang, Y. Yao, X. M. Meng, J. A. Zapien, C. S. Lee, Y. Lifshitz, and S. T. Lee, “Well-aligned ZnO nanowire arrays fabricated on silicon substrates,” Adv. Funct. Mater.14(6), 589–594 (2004).
[CrossRef]

Mao, S.

M. H. Huang, S. Mao, H. Feick, H. Q. Yan, Y. Y. Wu, H. Kind, E. Weber, R. Russo, and P. D. Yang, “Room-temperature ultraviolet nanowire nanolasers,” Science292(5523), 1897–1899 (2001).
[CrossRef] [PubMed]

McCall, S. L.

W. Wegscheider, L. N. Pfeiffer, M. M. Dignam, A. Pinczuk, K. W. West, S. L. McCall, and R. Hull, “Lasing from excitons in quantum wires,” Phys. Rev. Lett.71(24), 4071–4074 (1993).
[CrossRef] [PubMed]

Meng, X. M.

C. Y. Geng, Y. Jiang, Y. Yao, X. M. Meng, J. A. Zapien, C. S. Lee, Y. Lifshitz, and S. T. Lee, “Well-aligned ZnO nanowire arrays fabricated on silicon substrates,” Adv. Funct. Mater.14(6), 589–594 (2004).
[CrossRef]

Miao, L.

L. Miao, S. Tanemura, Y. Ieda, M. Tanemura, Y. Hayashi, H. Y. Yang, S. P. Lau, B. K. Tay, and Y. G. Cao, “Synthesis, morphology and random laser action of ZnO nanostructures,” Surf. Sci.601(13), 2660–2663 (2007).
[CrossRef]

Mifsud, A.

M. A. Verges, A. Mifsud, and C. J. Serna, “Formation of rod-like zinc oxide microcrystals in homogeneous solutions,” J. Chem. Soc., Faraday Trans.86, 959–963 (1990).
[CrossRef]

Nakamura, D.

K. Okazaki, D. Nakamura, M. Higashihata, P. Iyamperumal, and T. Okada, “Lasing characteristics of an optically pumped single ZnO nanosheet,” Opt. Express19(21), 20389–20394 (2011).
[CrossRef] [PubMed]

Ning, Z. Y.

D. H. Fan, Z. Y. Ning, and M. F. Jiang, “Characteristics and luminescence of Ge doped ZnO films prepared by alternate radio frequency magnetron sputtering,” Appl. Surf. Sci.245(1-4), 414–419 (2005).
[CrossRef]

Ohtomo, A.

Z. K. Tang, M. Kawasaki, A. Ohtomo, H. Koinuma, and Y. Segawa, “Self-assembled ZnO nano-crystals and exciton lasing at room temperature,” J. Cryst. Growth287(1), 169–179 (2006).
[CrossRef]

Okada, T.

K. Okazaki, D. Nakamura, M. Higashihata, P. Iyamperumal, and T. Okada, “Lasing characteristics of an optically pumped single ZnO nanosheet,” Opt. Express19(21), 20389–20394 (2011).
[CrossRef] [PubMed]

T. Okada, K. Kawashima, and M. Ueda, “Ultraviolet lasing and field emission characteristics of ZnO nano-rods synthesized by nano-particle-assisted pulsed-laser ablation deposition,” Appl. Phys., A Mater. Sci. Process.81(5), 907–910 (2005).
[CrossRef]

Okazaki, K.

K. Okazaki, D. Nakamura, M. Higashihata, P. Iyamperumal, and T. Okada, “Lasing characteristics of an optically pumped single ZnO nanosheet,” Opt. Express19(21), 20389–20394 (2011).
[CrossRef] [PubMed]

Okita, T.

H. Y. Yang, S. P. Lau, S. F. Yu, A. P. Abiyasa, M. Tanemura, T. Okita, and H. Hatano, “High-temperature random lasing in ZnO nanoneedles,” Appl. Phys. Lett.89(1), 011103 (2006).
[CrossRef]

Ong, H. C.

H. Cao, Y. G. Zhao, H. C. Ong, S. T. Ho, J. Y. Dai, J. Y. Wu, and R. P. H. Chang, “Ultraviolet lasing in resonators formed by scattering in semiconductor polycrystalline films,” Appl. Phys. Lett.73(25), 3656–3658 (1998).
[CrossRef]

Pfeiffer, L. N.

W. Wegscheider, L. N. Pfeiffer, M. M. Dignam, A. Pinczuk, K. W. West, S. L. McCall, and R. Hull, “Lasing from excitons in quantum wires,” Phys. Rev. Lett.71(24), 4071–4074 (1993).
[CrossRef] [PubMed]

Pinczuk, A.

W. Wegscheider, L. N. Pfeiffer, M. M. Dignam, A. Pinczuk, K. W. West, S. L. McCall, and R. Hull, “Lasing from excitons in quantum wires,” Phys. Rev. Lett.71(24), 4071–4074 (1993).
[CrossRef] [PubMed]

Porto, S. P. S.

T. C. Damen, S. P. S. Porto, and B. Tell, “Raman effect in zinc oxide,” Phys. Rev.142(2), 570–574 (1966).
[CrossRef]

Rogers, D. J.

P.-H. Dupont, C. Couteau, D. J. Rogers, F. Hosseini Téhérani, and G. Lérondel, “Waveguiding-assisted random lasing in epitaxial ZnO thin film,” Appl. Phys. Lett.97(26), 261109 (2010).
[CrossRef]

Russo, R.

M. H. Huang, S. Mao, H. Feick, H. Q. Yan, Y. Y. Wu, H. Kind, E. Weber, R. Russo, and P. D. Yang, “Room-temperature ultraviolet nanowire nanolasers,” Science292(5523), 1897–1899 (2001).
[CrossRef] [PubMed]

Seelig, E. W.

H. Cao, Y. G. Zhao, S. T. Ho, E. W. Seelig, Q. H. Wang, and R. P. H. Chang, “Random laser action in semiconductor powder,” Phys. Rev. Lett.82(11), 2278–2281 (1999).
[CrossRef]

Segawa, Y.

Z. K. Tang, M. Kawasaki, A. Ohtomo, H. Koinuma, and Y. Segawa, “Self-assembled ZnO nano-crystals and exciton lasing at room temperature,” J. Cryst. Growth287(1), 169–179 (2006).
[CrossRef]

B. P. Zhang, N. T. Binh, Y. Segawa, K. Wakatsuki, and N. Usami, “Optical properties of ZnO rods formed by metalorganic chemical vapor deposition,” Appl. Phys. Lett.83(8), 1635–1637 (2003).
[CrossRef]

Serna, C. J.

M. A. Verges, A. Mifsud, and C. J. Serna, “Formation of rod-like zinc oxide microcrystals in homogeneous solutions,” J. Chem. Soc., Faraday Trans.86, 959–963 (1990).
[CrossRef]

Shan, W.

W. Shan, W. Walukiewicz, J. W. Ager, K. M. Yu, H. B. Yuan, H. P. Xin, G. Cantwell, and J. J. Song, “Nature of room-temperature photoluminescence in ZnO,” Appl. Phys. Lett.86(19), 191911 (2005).
[CrossRef]

Song, J. J.

W. Shan, W. Walukiewicz, J. W. Ager, K. M. Yu, H. B. Yuan, H. P. Xin, G. Cantwell, and J. J. Song, “Nature of room-temperature photoluminescence in ZnO,” Appl. Phys. Lett.86(19), 191911 (2005).
[CrossRef]

Sun, J.

Q. Li, K. Gao, Z. G. Hu, W. L. Yu, N. Xu, J. Sun, and J. D. Wu, “Photoluminescence and lasing properties of catalyst-free ZnO nanorod arrays fabricated by pulsed laser deposition,” J. Phys. Chem. C116(3), 2330–2335 (2012).
[CrossRef]

K. Gao, W. Zhang, J. Sun, N. Xu, Z. F. Ying, Q. Li, J. Gan, and J. D. Wu, “Influences of substrate and annealing on the structural and optical properties and photoluminescence of nanocrystalline ZnO films prepared by plasma assisted pulsed laser deposition,” J. Phys. Chem. C113(44), 19139–19144 (2009).
[CrossRef]

Tanemura, M.

L. Miao, S. Tanemura, Y. Ieda, M. Tanemura, Y. Hayashi, H. Y. Yang, S. P. Lau, B. K. Tay, and Y. G. Cao, “Synthesis, morphology and random laser action of ZnO nanostructures,” Surf. Sci.601(13), 2660–2663 (2007).
[CrossRef]

H. Y. Yang, S. P. Lau, S. F. Yu, A. P. Abiyasa, M. Tanemura, T. Okita, and H. Hatano, “High-temperature random lasing in ZnO nanoneedles,” Appl. Phys. Lett.89(1), 011103 (2006).
[CrossRef]

Tanemura, S.

L. Miao, S. Tanemura, Y. Ieda, M. Tanemura, Y. Hayashi, H. Y. Yang, S. P. Lau, B. K. Tay, and Y. G. Cao, “Synthesis, morphology and random laser action of ZnO nanostructures,” Surf. Sci.601(13), 2660–2663 (2007).
[CrossRef]

Tang, Z. K.

Z. K. Tang, M. Kawasaki, A. Ohtomo, H. Koinuma, and Y. Segawa, “Self-assembled ZnO nano-crystals and exciton lasing at room temperature,” J. Cryst. Growth287(1), 169–179 (2006).
[CrossRef]

Tay, B. K.

L. Miao, S. Tanemura, Y. Ieda, M. Tanemura, Y. Hayashi, H. Y. Yang, S. P. Lau, B. K. Tay, and Y. G. Cao, “Synthesis, morphology and random laser action of ZnO nanostructures,” Surf. Sci.601(13), 2660–2663 (2007).
[CrossRef]

Tell, B.

T. C. Damen, S. P. S. Porto, and B. Tell, “Raman effect in zinc oxide,” Phys. Rev.142(2), 570–574 (1966).
[CrossRef]

Ueda, M.

T. Okada, K. Kawashima, and M. Ueda, “Ultraviolet lasing and field emission characteristics of ZnO nano-rods synthesized by nano-particle-assisted pulsed-laser ablation deposition,” Appl. Phys., A Mater. Sci. Process.81(5), 907–910 (2005).
[CrossRef]

Usami, N.

B. P. Zhang, N. T. Binh, Y. Segawa, K. Wakatsuki, and N. Usami, “Optical properties of ZnO rods formed by metalorganic chemical vapor deposition,” Appl. Phys. Lett.83(8), 1635–1637 (2003).
[CrossRef]

Verges, M. A.

M. A. Verges, A. Mifsud, and C. J. Serna, “Formation of rod-like zinc oxide microcrystals in homogeneous solutions,” J. Chem. Soc., Faraday Trans.86, 959–963 (1990).
[CrossRef]

Wakatsuki, K.

B. P. Zhang, N. T. Binh, Y. Segawa, K. Wakatsuki, and N. Usami, “Optical properties of ZnO rods formed by metalorganic chemical vapor deposition,” Appl. Phys. Lett.83(8), 1635–1637 (2003).
[CrossRef]

Walukiewicz, W.

W. Shan, W. Walukiewicz, J. W. Ager, K. M. Yu, H. B. Yuan, H. P. Xin, G. Cantwell, and J. J. Song, “Nature of room-temperature photoluminescence in ZnO,” Appl. Phys. Lett.86(19), 191911 (2005).
[CrossRef]

Wang, Q. H.

H. Cao, Y. G. Zhao, S. T. Ho, E. W. Seelig, Q. H. Wang, and R. P. H. Chang, “Random laser action in semiconductor powder,” Phys. Rev. Lett.82(11), 2278–2281 (1999).
[CrossRef]

Weber, E.

M. H. Huang, S. Mao, H. Feick, H. Q. Yan, Y. Y. Wu, H. Kind, E. Weber, R. Russo, and P. D. Yang, “Room-temperature ultraviolet nanowire nanolasers,” Science292(5523), 1897–1899 (2001).
[CrossRef] [PubMed]

Wegscheider, W.

W. Wegscheider, L. N. Pfeiffer, M. M. Dignam, A. Pinczuk, K. W. West, S. L. McCall, and R. Hull, “Lasing from excitons in quantum wires,” Phys. Rev. Lett.71(24), 4071–4074 (1993).
[CrossRef] [PubMed]

West, K. W.

W. Wegscheider, L. N. Pfeiffer, M. M. Dignam, A. Pinczuk, K. W. West, S. L. McCall, and R. Hull, “Lasing from excitons in quantum wires,” Phys. Rev. Lett.71(24), 4071–4074 (1993).
[CrossRef] [PubMed]

Won, J. H.

E. S. Jang, X. Chen, J. H. Won, J. H. Chung, D. J. Jang, Y. W. Kim, and J. H. Choy, “Soft-solution route to ZnO nanowall array with low threshold power density,” Appl. Phys. Lett.97(4), 043109 (2010).
[CrossRef]

Wu, J. D.

Q. Li, K. Gao, Z. G. Hu, W. L. Yu, N. Xu, J. Sun, and J. D. Wu, “Photoluminescence and lasing properties of catalyst-free ZnO nanorod arrays fabricated by pulsed laser deposition,” J. Phys. Chem. C116(3), 2330–2335 (2012).
[CrossRef]

K. Gao, W. Zhang, J. Sun, N. Xu, Z. F. Ying, Q. Li, J. Gan, and J. D. Wu, “Influences of substrate and annealing on the structural and optical properties and photoluminescence of nanocrystalline ZnO films prepared by plasma assisted pulsed laser deposition,” J. Phys. Chem. C113(44), 19139–19144 (2009).
[CrossRef]

Wu, J. Y.

H. Cao, Y. G. Zhao, H. C. Ong, S. T. Ho, J. Y. Dai, J. Y. Wu, and R. P. H. Chang, “Ultraviolet lasing in resonators formed by scattering in semiconductor polycrystalline films,” Appl. Phys. Lett.73(25), 3656–3658 (1998).
[CrossRef]

Wu, Y. Y.

M. H. Huang, S. Mao, H. Feick, H. Q. Yan, Y. Y. Wu, H. Kind, E. Weber, R. Russo, and P. D. Yang, “Room-temperature ultraviolet nanowire nanolasers,” Science292(5523), 1897–1899 (2001).
[CrossRef] [PubMed]

Xin, H. P.

W. Shan, W. Walukiewicz, J. W. Ager, K. M. Yu, H. B. Yuan, H. P. Xin, G. Cantwell, and J. J. Song, “Nature of room-temperature photoluminescence in ZnO,” Appl. Phys. Lett.86(19), 191911 (2005).
[CrossRef]

Xu, N.

Q. Li, K. Gao, Z. G. Hu, W. L. Yu, N. Xu, J. Sun, and J. D. Wu, “Photoluminescence and lasing properties of catalyst-free ZnO nanorod arrays fabricated by pulsed laser deposition,” J. Phys. Chem. C116(3), 2330–2335 (2012).
[CrossRef]

K. Gao, W. Zhang, J. Sun, N. Xu, Z. F. Ying, Q. Li, J. Gan, and J. D. Wu, “Influences of substrate and annealing on the structural and optical properties and photoluminescence of nanocrystalline ZnO films prepared by plasma assisted pulsed laser deposition,” J. Phys. Chem. C113(44), 19139–19144 (2009).
[CrossRef]

Yan, H. Q.

M. H. Huang, S. Mao, H. Feick, H. Q. Yan, Y. Y. Wu, H. Kind, E. Weber, R. Russo, and P. D. Yang, “Room-temperature ultraviolet nanowire nanolasers,” Science292(5523), 1897–1899 (2001).
[CrossRef] [PubMed]

Yang, H. Y.

L. Miao, S. Tanemura, Y. Ieda, M. Tanemura, Y. Hayashi, H. Y. Yang, S. P. Lau, B. K. Tay, and Y. G. Cao, “Synthesis, morphology and random laser action of ZnO nanostructures,” Surf. Sci.601(13), 2660–2663 (2007).
[CrossRef]

H. Y. Yang, S. P. Lau, S. F. Yu, A. P. Abiyasa, M. Tanemura, T. Okita, and H. Hatano, “High-temperature random lasing in ZnO nanoneedles,” Appl. Phys. Lett.89(1), 011103 (2006).
[CrossRef]

Yang, P. D.

M. H. Huang, S. Mao, H. Feick, H. Q. Yan, Y. Y. Wu, H. Kind, E. Weber, R. Russo, and P. D. Yang, “Room-temperature ultraviolet nanowire nanolasers,” Science292(5523), 1897–1899 (2001).
[CrossRef] [PubMed]

Yao, Y.

C. Y. Geng, Y. Jiang, Y. Yao, X. M. Meng, J. A. Zapien, C. S. Lee, Y. Lifshitz, and S. T. Lee, “Well-aligned ZnO nanowire arrays fabricated on silicon substrates,” Adv. Funct. Mater.14(6), 589–594 (2004).
[CrossRef]

Ying, Z. F.

K. Gao, W. Zhang, J. Sun, N. Xu, Z. F. Ying, Q. Li, J. Gan, and J. D. Wu, “Influences of substrate and annealing on the structural and optical properties and photoluminescence of nanocrystalline ZnO films prepared by plasma assisted pulsed laser deposition,” J. Phys. Chem. C113(44), 19139–19144 (2009).
[CrossRef]

Yu, K. M.

W. Shan, W. Walukiewicz, J. W. Ager, K. M. Yu, H. B. Yuan, H. P. Xin, G. Cantwell, and J. J. Song, “Nature of room-temperature photoluminescence in ZnO,” Appl. Phys. Lett.86(19), 191911 (2005).
[CrossRef]

Yu, S. F.

H. Y. Yang, S. P. Lau, S. F. Yu, A. P. Abiyasa, M. Tanemura, T. Okita, and H. Hatano, “High-temperature random lasing in ZnO nanoneedles,” Appl. Phys. Lett.89(1), 011103 (2006).
[CrossRef]

Yu, W. L.

Q. Li, K. Gao, Z. G. Hu, W. L. Yu, N. Xu, J. Sun, and J. D. Wu, “Photoluminescence and lasing properties of catalyst-free ZnO nanorod arrays fabricated by pulsed laser deposition,” J. Phys. Chem. C116(3), 2330–2335 (2012).
[CrossRef]

Yuan, H. B.

W. Shan, W. Walukiewicz, J. W. Ager, K. M. Yu, H. B. Yuan, H. P. Xin, G. Cantwell, and J. J. Song, “Nature of room-temperature photoluminescence in ZnO,” Appl. Phys. Lett.86(19), 191911 (2005).
[CrossRef]

Zapien, J. A.

C. Y. Geng, Y. Jiang, Y. Yao, X. M. Meng, J. A. Zapien, C. S. Lee, Y. Lifshitz, and S. T. Lee, “Well-aligned ZnO nanowire arrays fabricated on silicon substrates,” Adv. Funct. Mater.14(6), 589–594 (2004).
[CrossRef]

Zeng, H. B.

B. Q. Cao, W. P. Cai, H. B. Zeng, and G. T. Duan, “Morphology evolution and photoluminescence properties of ZnO films electrochemically deposited on conductive glass substrates,” J. Appl. Phys.99(7), 073516 (2006).
[CrossRef]

Zhang, B. P.

B. P. Zhang, N. T. Binh, Y. Segawa, K. Wakatsuki, and N. Usami, “Optical properties of ZnO rods formed by metalorganic chemical vapor deposition,” Appl. Phys. Lett.83(8), 1635–1637 (2003).
[CrossRef]

Zhang, W.

K. Gao, W. Zhang, J. Sun, N. Xu, Z. F. Ying, Q. Li, J. Gan, and J. D. Wu, “Influences of substrate and annealing on the structural and optical properties and photoluminescence of nanocrystalline ZnO films prepared by plasma assisted pulsed laser deposition,” J. Phys. Chem. C113(44), 19139–19144 (2009).
[CrossRef]

Zhao, Y. G.

H. Cao, Y. G. Zhao, S. T. Ho, E. W. Seelig, Q. H. Wang, and R. P. H. Chang, “Random laser action in semiconductor powder,” Phys. Rev. Lett.82(11), 2278–2281 (1999).
[CrossRef]

H. Cao, Y. G. Zhao, H. C. Ong, S. T. Ho, J. Y. Dai, J. Y. Wu, and R. P. H. Chang, “Ultraviolet lasing in resonators formed by scattering in semiconductor polycrystalline films,” Appl. Phys. Lett.73(25), 3656–3658 (1998).
[CrossRef]

Adv. Funct. Mater. (1)

C. Y. Geng, Y. Jiang, Y. Yao, X. M. Meng, J. A. Zapien, C. S. Lee, Y. Lifshitz, and S. T. Lee, “Well-aligned ZnO nanowire arrays fabricated on silicon substrates,” Adv. Funct. Mater.14(6), 589–594 (2004).
[CrossRef]

Appl. Phys. Lett. (6)

W. Shan, W. Walukiewicz, J. W. Ager, K. M. Yu, H. B. Yuan, H. P. Xin, G. Cantwell, and J. J. Song, “Nature of room-temperature photoluminescence in ZnO,” Appl. Phys. Lett.86(19), 191911 (2005).
[CrossRef]

P.-H. Dupont, C. Couteau, D. J. Rogers, F. Hosseini Téhérani, and G. Lérondel, “Waveguiding-assisted random lasing in epitaxial ZnO thin film,” Appl. Phys. Lett.97(26), 261109 (2010).
[CrossRef]

H. Cao, Y. G. Zhao, H. C. Ong, S. T. Ho, J. Y. Dai, J. Y. Wu, and R. P. H. Chang, “Ultraviolet lasing in resonators formed by scattering in semiconductor polycrystalline films,” Appl. Phys. Lett.73(25), 3656–3658 (1998).
[CrossRef]

E. S. Jang, X. Chen, J. H. Won, J. H. Chung, D. J. Jang, Y. W. Kim, and J. H. Choy, “Soft-solution route to ZnO nanowall array with low threshold power density,” Appl. Phys. Lett.97(4), 043109 (2010).
[CrossRef]

H. Y. Yang, S. P. Lau, S. F. Yu, A. P. Abiyasa, M. Tanemura, T. Okita, and H. Hatano, “High-temperature random lasing in ZnO nanoneedles,” Appl. Phys. Lett.89(1), 011103 (2006).
[CrossRef]

B. P. Zhang, N. T. Binh, Y. Segawa, K. Wakatsuki, and N. Usami, “Optical properties of ZnO rods formed by metalorganic chemical vapor deposition,” Appl. Phys. Lett.83(8), 1635–1637 (2003).
[CrossRef]

Appl. Phys., A Mater. Sci. Process. (1)

T. Okada, K. Kawashima, and M. Ueda, “Ultraviolet lasing and field emission characteristics of ZnO nano-rods synthesized by nano-particle-assisted pulsed-laser ablation deposition,” Appl. Phys., A Mater. Sci. Process.81(5), 907–910 (2005).
[CrossRef]

Appl. Surf. Sci. (1)

D. H. Fan, Z. Y. Ning, and M. F. Jiang, “Characteristics and luminescence of Ge doped ZnO films prepared by alternate radio frequency magnetron sputtering,” Appl. Surf. Sci.245(1-4), 414–419 (2005).
[CrossRef]

J. Appl. Phys. (1)

B. Q. Cao, W. P. Cai, H. B. Zeng, and G. T. Duan, “Morphology evolution and photoluminescence properties of ZnO films electrochemically deposited on conductive glass substrates,” J. Appl. Phys.99(7), 073516 (2006).
[CrossRef]

J. Chem. Soc., Faraday Trans. (1)

M. A. Verges, A. Mifsud, and C. J. Serna, “Formation of rod-like zinc oxide microcrystals in homogeneous solutions,” J. Chem. Soc., Faraday Trans.86, 959–963 (1990).
[CrossRef]

J. Cryst. Growth (1)

Z. K. Tang, M. Kawasaki, A. Ohtomo, H. Koinuma, and Y. Segawa, “Self-assembled ZnO nano-crystals and exciton lasing at room temperature,” J. Cryst. Growth287(1), 169–179 (2006).
[CrossRef]

J. Phys. Chem. C (2)

Q. Li, K. Gao, Z. G. Hu, W. L. Yu, N. Xu, J. Sun, and J. D. Wu, “Photoluminescence and lasing properties of catalyst-free ZnO nanorod arrays fabricated by pulsed laser deposition,” J. Phys. Chem. C116(3), 2330–2335 (2012).
[CrossRef]

K. Gao, W. Zhang, J. Sun, N. Xu, Z. F. Ying, Q. Li, J. Gan, and J. D. Wu, “Influences of substrate and annealing on the structural and optical properties and photoluminescence of nanocrystalline ZnO films prepared by plasma assisted pulsed laser deposition,” J. Phys. Chem. C113(44), 19139–19144 (2009).
[CrossRef]

Opt. Express (1)

K. Okazaki, D. Nakamura, M. Higashihata, P. Iyamperumal, and T. Okada, “Lasing characteristics of an optically pumped single ZnO nanosheet,” Opt. Express19(21), 20389–20394 (2011).
[CrossRef] [PubMed]

Phys. Rev. (1)

T. C. Damen, S. P. S. Porto, and B. Tell, “Raman effect in zinc oxide,” Phys. Rev.142(2), 570–574 (1966).
[CrossRef]

Phys. Rev. Lett. (2)

W. Wegscheider, L. N. Pfeiffer, M. M. Dignam, A. Pinczuk, K. W. West, S. L. McCall, and R. Hull, “Lasing from excitons in quantum wires,” Phys. Rev. Lett.71(24), 4071–4074 (1993).
[CrossRef] [PubMed]

H. Cao, Y. G. Zhao, S. T. Ho, E. W. Seelig, Q. H. Wang, and R. P. H. Chang, “Random laser action in semiconductor powder,” Phys. Rev. Lett.82(11), 2278–2281 (1999).
[CrossRef]

Science (1)

M. H. Huang, S. Mao, H. Feick, H. Q. Yan, Y. Y. Wu, H. Kind, E. Weber, R. Russo, and P. D. Yang, “Room-temperature ultraviolet nanowire nanolasers,” Science292(5523), 1897–1899 (2001).
[CrossRef] [PubMed]

Surf. Sci. (1)

L. Miao, S. Tanemura, Y. Ieda, M. Tanemura, Y. Hayashi, H. Y. Yang, S. P. Lau, B. K. Tay, and Y. G. Cao, “Synthesis, morphology and random laser action of ZnO nanostructures,” Surf. Sci.601(13), 2660–2663 (2007).
[CrossRef]

Other (2)

B. D. Cullity and S. R. Stock, Elements of X-ray Diffraction, 3rd ed. (Prentice Hall Inc, 2001).

C. Klingshirn, Semiconductor Optics, 3rd ed. (Springer, 2007).

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Figures (5)

Fig. 1
Fig. 1

FESEM images of annealed ZnO NRAs: (a) planar image; (b) cross-sectional image.

Fig. 2
Fig. 2

(a) XRD patterns of as-grown and annealed ZnO NRAs. For clarity, the XRD pattern taken from as-grown ZnO nanorod arrays is magnified by 10 times. (b) FTIR spectra recorded for as-grown and annealed ZnO NRAs. FTIR spectrum recorded for Si (100) substrate is also shown for comparison.

Fig. 3
Fig. 3

Raman spectra of prepared ZnO NRAs excited by 488 nm (a) and 325 nm (b) laser beam.

Fig. 4
Fig. 4

(a) Room temperature PL spectra of as-grown and annealed ZnO NRAs. (b) PL spectra of as-grown ZnO NRAs recorded at 300 and 10 K. The inset shows the details of the PL recorded at 10 K. (c) Temperature-dependent PL spectra in the near band edge region taken from as-grown ZnO NRAs.

Fig. 5
Fig. 5

Spontaneous and lasing emission spectra obtained at different pump intensities taken from (a) as-grown and (b) annealed ZnO nanorod arrays.

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