Abstract

We investigated the optical properties of ZnO/Ag grating structures fabricated by sputtering and nanoimprint lithography. The grating structures exhibited multiple peak features in broad visible-range photoluminescence (PL) spectra. The PL intensity of the grating was larger than that of a planar thin film by up to two orders of magnitude. The surface plasmon (SP) dispersion relation suggested excitation of SPs with various energies of the grating, explaining the broad PL emission. The spectral dependence of the PL intensity was also well supported by the experimental reflectance spectra and the simulated electric field distribution at the ZnO/Ag interface.

© 2011 OSA

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  1. E. Ozbay, “Plasmonics: merging photonics and electronics at nanoscale dimensions,” Science 311(5758), 189–193 (2006).
    [CrossRef] [PubMed]
  2. S. A. Maier and H. A. Atwater, “Plasmonics: localization and guiding of electromagnetic energy into metal/dielectric structures,” J. Appl. Phys. 98(1), 011101 (2005).
    [CrossRef]
  3. K. Okamoto, I. Niki, A. Shvartser, Y. Narukawa, T. Mukai, and A. Scherer, “Surface-plasmon-enhanced light emitters based on InGaN quantum wells,” Nat. Mater. 3(9), 601–605 (2004).
    [CrossRef] [PubMed]
  4. S. Wedge and W. L. Barnes, “Surface plasmon-polariton mediated light emission through thin metal films,” Opt. Express 12(16), 3673–3685 (2004).
    [CrossRef] [PubMed]
  5. D. Y. Lei, J. Li, and H. C. Ong, “Tunable surface plasmon mediated emission from semiconductors using metal alloys,” Appl. Phys. Lett. 91(2), 021112 (2007).
    [CrossRef]
  6. J. B. You, X. W. Zhang, Y. M. Fan, Z. G. Yin, P. F. Cai, and N. F. Chen, “Effects of the morphology of ZnO/Ag interface on the surface-plasmon-enhanced emission of ZnO films,” J. Phys. D Appl. Phys. 41(20), 205101 (2008).
    [CrossRef]
  7. K. W. Liu, Y. D. Tang, C. X. Cong, T. C. Sum, A. C. H. Huan, Z. X. Shen, L. Wang, F. Y. Jiang, X. W. Sun, and H. D. Sun, “Giant enhancement of top emission from ZnO thin film by nanopatterned Pt,” Appl. Phys. Lett. 94(15), 151102 (2009).
    [CrossRef]
  8. B. J. Lawrie, R. F. Haglund, and R. Mu, “Enhancement of ZnO photoluminescence by localized and propagating surface plasmons,” Opt. Express 17(4), 2565–2572 (2009).
    [CrossRef] [PubMed]
  9. F.-J. Haug, T. Söderström, O. Cubero, V. Terrazzoni-Daudrix, and C. Ballif, “Plasmonic absorption in textured silver back reflectors of thin film solar cells,” J. Appl. Phys. 104(6), 064509 (2008).
    [CrossRef]
  10. H.-D. Um, S. A. Moiz, K.-T. Park, J.-Y. Jung, S.-W. Jee, C. H. Ahn, D. C. Kim, H. K. Cho, D.-W. Kim, and J.-H. Lee, “Highly selective spectral response with enhanced responsivity of n-ZnO/p-Si radial heterojunction nanowire photodiodes,” Appl. Phys. Lett. 98(3), 033102 (2011).
    [CrossRef]
  11. H. Kim, H. Kim, and D.-W. Kim, “Silver Schottky contacts to a-plane bulk ZnO,” J. Appl. Phys. 108(7), 074514 (2010).
    [CrossRef]
  12. X. L. Wu, G. G. Siu, C. L. Fu, and H. C. Ong, “Photoluminescence and cathodoluminescence studies of stoichiometric and oxygen-deficient ZnO films,” Appl. Phys. Lett. 78(16), 2285–2287 (2001).
    [CrossRef]
  13. M. Lee, J. Kim, J. Lee, and Y. S. Kim, “Pressure-assisted printing with crack-free metal electrodes using an anti-adhesive rigiflex stamp,” J. Mater. Chem. 20(14), 2746–2748 (2010).
    [CrossRef]

2011 (1)

H.-D. Um, S. A. Moiz, K.-T. Park, J.-Y. Jung, S.-W. Jee, C. H. Ahn, D. C. Kim, H. K. Cho, D.-W. Kim, and J.-H. Lee, “Highly selective spectral response with enhanced responsivity of n-ZnO/p-Si radial heterojunction nanowire photodiodes,” Appl. Phys. Lett. 98(3), 033102 (2011).
[CrossRef]

2010 (2)

H. Kim, H. Kim, and D.-W. Kim, “Silver Schottky contacts to a-plane bulk ZnO,” J. Appl. Phys. 108(7), 074514 (2010).
[CrossRef]

M. Lee, J. Kim, J. Lee, and Y. S. Kim, “Pressure-assisted printing with crack-free metal electrodes using an anti-adhesive rigiflex stamp,” J. Mater. Chem. 20(14), 2746–2748 (2010).
[CrossRef]

2009 (2)

B. J. Lawrie, R. F. Haglund, and R. Mu, “Enhancement of ZnO photoluminescence by localized and propagating surface plasmons,” Opt. Express 17(4), 2565–2572 (2009).
[CrossRef] [PubMed]

K. W. Liu, Y. D. Tang, C. X. Cong, T. C. Sum, A. C. H. Huan, Z. X. Shen, L. Wang, F. Y. Jiang, X. W. Sun, and H. D. Sun, “Giant enhancement of top emission from ZnO thin film by nanopatterned Pt,” Appl. Phys. Lett. 94(15), 151102 (2009).
[CrossRef]

2008 (2)

F.-J. Haug, T. Söderström, O. Cubero, V. Terrazzoni-Daudrix, and C. Ballif, “Plasmonic absorption in textured silver back reflectors of thin film solar cells,” J. Appl. Phys. 104(6), 064509 (2008).
[CrossRef]

J. B. You, X. W. Zhang, Y. M. Fan, Z. G. Yin, P. F. Cai, and N. F. Chen, “Effects of the morphology of ZnO/Ag interface on the surface-plasmon-enhanced emission of ZnO films,” J. Phys. D Appl. Phys. 41(20), 205101 (2008).
[CrossRef]

2007 (1)

D. Y. Lei, J. Li, and H. C. Ong, “Tunable surface plasmon mediated emission from semiconductors using metal alloys,” Appl. Phys. Lett. 91(2), 021112 (2007).
[CrossRef]

2006 (1)

E. Ozbay, “Plasmonics: merging photonics and electronics at nanoscale dimensions,” Science 311(5758), 189–193 (2006).
[CrossRef] [PubMed]

2005 (1)

S. A. Maier and H. A. Atwater, “Plasmonics: localization and guiding of electromagnetic energy into metal/dielectric structures,” J. Appl. Phys. 98(1), 011101 (2005).
[CrossRef]

2004 (2)

K. Okamoto, I. Niki, A. Shvartser, Y. Narukawa, T. Mukai, and A. Scherer, “Surface-plasmon-enhanced light emitters based on InGaN quantum wells,” Nat. Mater. 3(9), 601–605 (2004).
[CrossRef] [PubMed]

S. Wedge and W. L. Barnes, “Surface plasmon-polariton mediated light emission through thin metal films,” Opt. Express 12(16), 3673–3685 (2004).
[CrossRef] [PubMed]

2001 (1)

X. L. Wu, G. G. Siu, C. L. Fu, and H. C. Ong, “Photoluminescence and cathodoluminescence studies of stoichiometric and oxygen-deficient ZnO films,” Appl. Phys. Lett. 78(16), 2285–2287 (2001).
[CrossRef]

Ahn, C. H.

H.-D. Um, S. A. Moiz, K.-T. Park, J.-Y. Jung, S.-W. Jee, C. H. Ahn, D. C. Kim, H. K. Cho, D.-W. Kim, and J.-H. Lee, “Highly selective spectral response with enhanced responsivity of n-ZnO/p-Si radial heterojunction nanowire photodiodes,” Appl. Phys. Lett. 98(3), 033102 (2011).
[CrossRef]

Atwater, H. A.

S. A. Maier and H. A. Atwater, “Plasmonics: localization and guiding of electromagnetic energy into metal/dielectric structures,” J. Appl. Phys. 98(1), 011101 (2005).
[CrossRef]

Ballif, C.

F.-J. Haug, T. Söderström, O. Cubero, V. Terrazzoni-Daudrix, and C. Ballif, “Plasmonic absorption in textured silver back reflectors of thin film solar cells,” J. Appl. Phys. 104(6), 064509 (2008).
[CrossRef]

Barnes, W. L.

Cai, P. F.

J. B. You, X. W. Zhang, Y. M. Fan, Z. G. Yin, P. F. Cai, and N. F. Chen, “Effects of the morphology of ZnO/Ag interface on the surface-plasmon-enhanced emission of ZnO films,” J. Phys. D Appl. Phys. 41(20), 205101 (2008).
[CrossRef]

Chen, N. F.

J. B. You, X. W. Zhang, Y. M. Fan, Z. G. Yin, P. F. Cai, and N. F. Chen, “Effects of the morphology of ZnO/Ag interface on the surface-plasmon-enhanced emission of ZnO films,” J. Phys. D Appl. Phys. 41(20), 205101 (2008).
[CrossRef]

Cho, H. K.

H.-D. Um, S. A. Moiz, K.-T. Park, J.-Y. Jung, S.-W. Jee, C. H. Ahn, D. C. Kim, H. K. Cho, D.-W. Kim, and J.-H. Lee, “Highly selective spectral response with enhanced responsivity of n-ZnO/p-Si radial heterojunction nanowire photodiodes,” Appl. Phys. Lett. 98(3), 033102 (2011).
[CrossRef]

Cong, C. X.

K. W. Liu, Y. D. Tang, C. X. Cong, T. C. Sum, A. C. H. Huan, Z. X. Shen, L. Wang, F. Y. Jiang, X. W. Sun, and H. D. Sun, “Giant enhancement of top emission from ZnO thin film by nanopatterned Pt,” Appl. Phys. Lett. 94(15), 151102 (2009).
[CrossRef]

Cubero, O.

F.-J. Haug, T. Söderström, O. Cubero, V. Terrazzoni-Daudrix, and C. Ballif, “Plasmonic absorption in textured silver back reflectors of thin film solar cells,” J. Appl. Phys. 104(6), 064509 (2008).
[CrossRef]

Fan, Y. M.

J. B. You, X. W. Zhang, Y. M. Fan, Z. G. Yin, P. F. Cai, and N. F. Chen, “Effects of the morphology of ZnO/Ag interface on the surface-plasmon-enhanced emission of ZnO films,” J. Phys. D Appl. Phys. 41(20), 205101 (2008).
[CrossRef]

Fu, C. L.

X. L. Wu, G. G. Siu, C. L. Fu, and H. C. Ong, “Photoluminescence and cathodoluminescence studies of stoichiometric and oxygen-deficient ZnO films,” Appl. Phys. Lett. 78(16), 2285–2287 (2001).
[CrossRef]

Haglund, R. F.

Haug, F.-J.

F.-J. Haug, T. Söderström, O. Cubero, V. Terrazzoni-Daudrix, and C. Ballif, “Plasmonic absorption in textured silver back reflectors of thin film solar cells,” J. Appl. Phys. 104(6), 064509 (2008).
[CrossRef]

Huan, A. C. H.

K. W. Liu, Y. D. Tang, C. X. Cong, T. C. Sum, A. C. H. Huan, Z. X. Shen, L. Wang, F. Y. Jiang, X. W. Sun, and H. D. Sun, “Giant enhancement of top emission from ZnO thin film by nanopatterned Pt,” Appl. Phys. Lett. 94(15), 151102 (2009).
[CrossRef]

Jee, S.-W.

H.-D. Um, S. A. Moiz, K.-T. Park, J.-Y. Jung, S.-W. Jee, C. H. Ahn, D. C. Kim, H. K. Cho, D.-W. Kim, and J.-H. Lee, “Highly selective spectral response with enhanced responsivity of n-ZnO/p-Si radial heterojunction nanowire photodiodes,” Appl. Phys. Lett. 98(3), 033102 (2011).
[CrossRef]

Jiang, F. Y.

K. W. Liu, Y. D. Tang, C. X. Cong, T. C. Sum, A. C. H. Huan, Z. X. Shen, L. Wang, F. Y. Jiang, X. W. Sun, and H. D. Sun, “Giant enhancement of top emission from ZnO thin film by nanopatterned Pt,” Appl. Phys. Lett. 94(15), 151102 (2009).
[CrossRef]

Jung, J.-Y.

H.-D. Um, S. A. Moiz, K.-T. Park, J.-Y. Jung, S.-W. Jee, C. H. Ahn, D. C. Kim, H. K. Cho, D.-W. Kim, and J.-H. Lee, “Highly selective spectral response with enhanced responsivity of n-ZnO/p-Si radial heterojunction nanowire photodiodes,” Appl. Phys. Lett. 98(3), 033102 (2011).
[CrossRef]

Kim, D. C.

H.-D. Um, S. A. Moiz, K.-T. Park, J.-Y. Jung, S.-W. Jee, C. H. Ahn, D. C. Kim, H. K. Cho, D.-W. Kim, and J.-H. Lee, “Highly selective spectral response with enhanced responsivity of n-ZnO/p-Si radial heterojunction nanowire photodiodes,” Appl. Phys. Lett. 98(3), 033102 (2011).
[CrossRef]

Kim, D.-W.

H.-D. Um, S. A. Moiz, K.-T. Park, J.-Y. Jung, S.-W. Jee, C. H. Ahn, D. C. Kim, H. K. Cho, D.-W. Kim, and J.-H. Lee, “Highly selective spectral response with enhanced responsivity of n-ZnO/p-Si radial heterojunction nanowire photodiodes,” Appl. Phys. Lett. 98(3), 033102 (2011).
[CrossRef]

H. Kim, H. Kim, and D.-W. Kim, “Silver Schottky contacts to a-plane bulk ZnO,” J. Appl. Phys. 108(7), 074514 (2010).
[CrossRef]

Kim, H.

H. Kim, H. Kim, and D.-W. Kim, “Silver Schottky contacts to a-plane bulk ZnO,” J. Appl. Phys. 108(7), 074514 (2010).
[CrossRef]

H. Kim, H. Kim, and D.-W. Kim, “Silver Schottky contacts to a-plane bulk ZnO,” J. Appl. Phys. 108(7), 074514 (2010).
[CrossRef]

Kim, J.

M. Lee, J. Kim, J. Lee, and Y. S. Kim, “Pressure-assisted printing with crack-free metal electrodes using an anti-adhesive rigiflex stamp,” J. Mater. Chem. 20(14), 2746–2748 (2010).
[CrossRef]

Kim, Y. S.

M. Lee, J. Kim, J. Lee, and Y. S. Kim, “Pressure-assisted printing with crack-free metal electrodes using an anti-adhesive rigiflex stamp,” J. Mater. Chem. 20(14), 2746–2748 (2010).
[CrossRef]

Lawrie, B. J.

Lee, J.

M. Lee, J. Kim, J. Lee, and Y. S. Kim, “Pressure-assisted printing with crack-free metal electrodes using an anti-adhesive rigiflex stamp,” J. Mater. Chem. 20(14), 2746–2748 (2010).
[CrossRef]

Lee, J.-H.

H.-D. Um, S. A. Moiz, K.-T. Park, J.-Y. Jung, S.-W. Jee, C. H. Ahn, D. C. Kim, H. K. Cho, D.-W. Kim, and J.-H. Lee, “Highly selective spectral response with enhanced responsivity of n-ZnO/p-Si radial heterojunction nanowire photodiodes,” Appl. Phys. Lett. 98(3), 033102 (2011).
[CrossRef]

Lee, M.

M. Lee, J. Kim, J. Lee, and Y. S. Kim, “Pressure-assisted printing with crack-free metal electrodes using an anti-adhesive rigiflex stamp,” J. Mater. Chem. 20(14), 2746–2748 (2010).
[CrossRef]

Lei, D. Y.

D. Y. Lei, J. Li, and H. C. Ong, “Tunable surface plasmon mediated emission from semiconductors using metal alloys,” Appl. Phys. Lett. 91(2), 021112 (2007).
[CrossRef]

Li, J.

D. Y. Lei, J. Li, and H. C. Ong, “Tunable surface plasmon mediated emission from semiconductors using metal alloys,” Appl. Phys. Lett. 91(2), 021112 (2007).
[CrossRef]

Liu, K. W.

K. W. Liu, Y. D. Tang, C. X. Cong, T. C. Sum, A. C. H. Huan, Z. X. Shen, L. Wang, F. Y. Jiang, X. W. Sun, and H. D. Sun, “Giant enhancement of top emission from ZnO thin film by nanopatterned Pt,” Appl. Phys. Lett. 94(15), 151102 (2009).
[CrossRef]

Maier, S. A.

S. A. Maier and H. A. Atwater, “Plasmonics: localization and guiding of electromagnetic energy into metal/dielectric structures,” J. Appl. Phys. 98(1), 011101 (2005).
[CrossRef]

Moiz, S. A.

H.-D. Um, S. A. Moiz, K.-T. Park, J.-Y. Jung, S.-W. Jee, C. H. Ahn, D. C. Kim, H. K. Cho, D.-W. Kim, and J.-H. Lee, “Highly selective spectral response with enhanced responsivity of n-ZnO/p-Si radial heterojunction nanowire photodiodes,” Appl. Phys. Lett. 98(3), 033102 (2011).
[CrossRef]

Mu, R.

Mukai, T.

K. Okamoto, I. Niki, A. Shvartser, Y. Narukawa, T. Mukai, and A. Scherer, “Surface-plasmon-enhanced light emitters based on InGaN quantum wells,” Nat. Mater. 3(9), 601–605 (2004).
[CrossRef] [PubMed]

Narukawa, Y.

K. Okamoto, I. Niki, A. Shvartser, Y. Narukawa, T. Mukai, and A. Scherer, “Surface-plasmon-enhanced light emitters based on InGaN quantum wells,” Nat. Mater. 3(9), 601–605 (2004).
[CrossRef] [PubMed]

Niki, I.

K. Okamoto, I. Niki, A. Shvartser, Y. Narukawa, T. Mukai, and A. Scherer, “Surface-plasmon-enhanced light emitters based on InGaN quantum wells,” Nat. Mater. 3(9), 601–605 (2004).
[CrossRef] [PubMed]

Okamoto, K.

K. Okamoto, I. Niki, A. Shvartser, Y. Narukawa, T. Mukai, and A. Scherer, “Surface-plasmon-enhanced light emitters based on InGaN quantum wells,” Nat. Mater. 3(9), 601–605 (2004).
[CrossRef] [PubMed]

Ong, H. C.

D. Y. Lei, J. Li, and H. C. Ong, “Tunable surface plasmon mediated emission from semiconductors using metal alloys,” Appl. Phys. Lett. 91(2), 021112 (2007).
[CrossRef]

X. L. Wu, G. G. Siu, C. L. Fu, and H. C. Ong, “Photoluminescence and cathodoluminescence studies of stoichiometric and oxygen-deficient ZnO films,” Appl. Phys. Lett. 78(16), 2285–2287 (2001).
[CrossRef]

Ozbay, E.

E. Ozbay, “Plasmonics: merging photonics and electronics at nanoscale dimensions,” Science 311(5758), 189–193 (2006).
[CrossRef] [PubMed]

Park, K.-T.

H.-D. Um, S. A. Moiz, K.-T. Park, J.-Y. Jung, S.-W. Jee, C. H. Ahn, D. C. Kim, H. K. Cho, D.-W. Kim, and J.-H. Lee, “Highly selective spectral response with enhanced responsivity of n-ZnO/p-Si radial heterojunction nanowire photodiodes,” Appl. Phys. Lett. 98(3), 033102 (2011).
[CrossRef]

Scherer, A.

K. Okamoto, I. Niki, A. Shvartser, Y. Narukawa, T. Mukai, and A. Scherer, “Surface-plasmon-enhanced light emitters based on InGaN quantum wells,” Nat. Mater. 3(9), 601–605 (2004).
[CrossRef] [PubMed]

Shen, Z. X.

K. W. Liu, Y. D. Tang, C. X. Cong, T. C. Sum, A. C. H. Huan, Z. X. Shen, L. Wang, F. Y. Jiang, X. W. Sun, and H. D. Sun, “Giant enhancement of top emission from ZnO thin film by nanopatterned Pt,” Appl. Phys. Lett. 94(15), 151102 (2009).
[CrossRef]

Shvartser, A.

K. Okamoto, I. Niki, A. Shvartser, Y. Narukawa, T. Mukai, and A. Scherer, “Surface-plasmon-enhanced light emitters based on InGaN quantum wells,” Nat. Mater. 3(9), 601–605 (2004).
[CrossRef] [PubMed]

Siu, G. G.

X. L. Wu, G. G. Siu, C. L. Fu, and H. C. Ong, “Photoluminescence and cathodoluminescence studies of stoichiometric and oxygen-deficient ZnO films,” Appl. Phys. Lett. 78(16), 2285–2287 (2001).
[CrossRef]

Söderström, T.

F.-J. Haug, T. Söderström, O. Cubero, V. Terrazzoni-Daudrix, and C. Ballif, “Plasmonic absorption in textured silver back reflectors of thin film solar cells,” J. Appl. Phys. 104(6), 064509 (2008).
[CrossRef]

Sum, T. C.

K. W. Liu, Y. D. Tang, C. X. Cong, T. C. Sum, A. C. H. Huan, Z. X. Shen, L. Wang, F. Y. Jiang, X. W. Sun, and H. D. Sun, “Giant enhancement of top emission from ZnO thin film by nanopatterned Pt,” Appl. Phys. Lett. 94(15), 151102 (2009).
[CrossRef]

Sun, H. D.

K. W. Liu, Y. D. Tang, C. X. Cong, T. C. Sum, A. C. H. Huan, Z. X. Shen, L. Wang, F. Y. Jiang, X. W. Sun, and H. D. Sun, “Giant enhancement of top emission from ZnO thin film by nanopatterned Pt,” Appl. Phys. Lett. 94(15), 151102 (2009).
[CrossRef]

Sun, X. W.

K. W. Liu, Y. D. Tang, C. X. Cong, T. C. Sum, A. C. H. Huan, Z. X. Shen, L. Wang, F. Y. Jiang, X. W. Sun, and H. D. Sun, “Giant enhancement of top emission from ZnO thin film by nanopatterned Pt,” Appl. Phys. Lett. 94(15), 151102 (2009).
[CrossRef]

Tang, Y. D.

K. W. Liu, Y. D. Tang, C. X. Cong, T. C. Sum, A. C. H. Huan, Z. X. Shen, L. Wang, F. Y. Jiang, X. W. Sun, and H. D. Sun, “Giant enhancement of top emission from ZnO thin film by nanopatterned Pt,” Appl. Phys. Lett. 94(15), 151102 (2009).
[CrossRef]

Terrazzoni-Daudrix, V.

F.-J. Haug, T. Söderström, O. Cubero, V. Terrazzoni-Daudrix, and C. Ballif, “Plasmonic absorption in textured silver back reflectors of thin film solar cells,” J. Appl. Phys. 104(6), 064509 (2008).
[CrossRef]

Um, H.-D.

H.-D. Um, S. A. Moiz, K.-T. Park, J.-Y. Jung, S.-W. Jee, C. H. Ahn, D. C. Kim, H. K. Cho, D.-W. Kim, and J.-H. Lee, “Highly selective spectral response with enhanced responsivity of n-ZnO/p-Si radial heterojunction nanowire photodiodes,” Appl. Phys. Lett. 98(3), 033102 (2011).
[CrossRef]

Wang, L.

K. W. Liu, Y. D. Tang, C. X. Cong, T. C. Sum, A. C. H. Huan, Z. X. Shen, L. Wang, F. Y. Jiang, X. W. Sun, and H. D. Sun, “Giant enhancement of top emission from ZnO thin film by nanopatterned Pt,” Appl. Phys. Lett. 94(15), 151102 (2009).
[CrossRef]

Wedge, S.

Wu, X. L.

X. L. Wu, G. G. Siu, C. L. Fu, and H. C. Ong, “Photoluminescence and cathodoluminescence studies of stoichiometric and oxygen-deficient ZnO films,” Appl. Phys. Lett. 78(16), 2285–2287 (2001).
[CrossRef]

Yin, Z. G.

J. B. You, X. W. Zhang, Y. M. Fan, Z. G. Yin, P. F. Cai, and N. F. Chen, “Effects of the morphology of ZnO/Ag interface on the surface-plasmon-enhanced emission of ZnO films,” J. Phys. D Appl. Phys. 41(20), 205101 (2008).
[CrossRef]

You, J. B.

J. B. You, X. W. Zhang, Y. M. Fan, Z. G. Yin, P. F. Cai, and N. F. Chen, “Effects of the morphology of ZnO/Ag interface on the surface-plasmon-enhanced emission of ZnO films,” J. Phys. D Appl. Phys. 41(20), 205101 (2008).
[CrossRef]

Zhang, X. W.

J. B. You, X. W. Zhang, Y. M. Fan, Z. G. Yin, P. F. Cai, and N. F. Chen, “Effects of the morphology of ZnO/Ag interface on the surface-plasmon-enhanced emission of ZnO films,” J. Phys. D Appl. Phys. 41(20), 205101 (2008).
[CrossRef]

Appl. Phys. Lett. (4)

D. Y. Lei, J. Li, and H. C. Ong, “Tunable surface plasmon mediated emission from semiconductors using metal alloys,” Appl. Phys. Lett. 91(2), 021112 (2007).
[CrossRef]

K. W. Liu, Y. D. Tang, C. X. Cong, T. C. Sum, A. C. H. Huan, Z. X. Shen, L. Wang, F. Y. Jiang, X. W. Sun, and H. D. Sun, “Giant enhancement of top emission from ZnO thin film by nanopatterned Pt,” Appl. Phys. Lett. 94(15), 151102 (2009).
[CrossRef]

H.-D. Um, S. A. Moiz, K.-T. Park, J.-Y. Jung, S.-W. Jee, C. H. Ahn, D. C. Kim, H. K. Cho, D.-W. Kim, and J.-H. Lee, “Highly selective spectral response with enhanced responsivity of n-ZnO/p-Si radial heterojunction nanowire photodiodes,” Appl. Phys. Lett. 98(3), 033102 (2011).
[CrossRef]

X. L. Wu, G. G. Siu, C. L. Fu, and H. C. Ong, “Photoluminescence and cathodoluminescence studies of stoichiometric and oxygen-deficient ZnO films,” Appl. Phys. Lett. 78(16), 2285–2287 (2001).
[CrossRef]

J. Appl. Phys. (3)

H. Kim, H. Kim, and D.-W. Kim, “Silver Schottky contacts to a-plane bulk ZnO,” J. Appl. Phys. 108(7), 074514 (2010).
[CrossRef]

F.-J. Haug, T. Söderström, O. Cubero, V. Terrazzoni-Daudrix, and C. Ballif, “Plasmonic absorption in textured silver back reflectors of thin film solar cells,” J. Appl. Phys. 104(6), 064509 (2008).
[CrossRef]

S. A. Maier and H. A. Atwater, “Plasmonics: localization and guiding of electromagnetic energy into metal/dielectric structures,” J. Appl. Phys. 98(1), 011101 (2005).
[CrossRef]

J. Mater. Chem. (1)

M. Lee, J. Kim, J. Lee, and Y. S. Kim, “Pressure-assisted printing with crack-free metal electrodes using an anti-adhesive rigiflex stamp,” J. Mater. Chem. 20(14), 2746–2748 (2010).
[CrossRef]

J. Phys. D Appl. Phys. (1)

J. B. You, X. W. Zhang, Y. M. Fan, Z. G. Yin, P. F. Cai, and N. F. Chen, “Effects of the morphology of ZnO/Ag interface on the surface-plasmon-enhanced emission of ZnO films,” J. Phys. D Appl. Phys. 41(20), 205101 (2008).
[CrossRef]

Nat. Mater. (1)

K. Okamoto, I. Niki, A. Shvartser, Y. Narukawa, T. Mukai, and A. Scherer, “Surface-plasmon-enhanced light emitters based on InGaN quantum wells,” Nat. Mater. 3(9), 601–605 (2004).
[CrossRef] [PubMed]

Opt. Express (2)

Science (1)

E. Ozbay, “Plasmonics: merging photonics and electronics at nanoscale dimensions,” Science 311(5758), 189–193 (2006).
[CrossRef] [PubMed]

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Figures (5)

Fig. 1
Fig. 1

(a) Schematic diagram of a ZnO/Ag grating structure and (b) AFM morphology of a polymer pattern with a period of 1 μm and a line-to-space ratio of 1:1.

Fig. 2
Fig. 2

(a) Real-part dielectric constants of Ag, ZnO, and air, and expected SPR and LSPR energies. (b) SP dispersion relation of a ZnO/Ag grating structure with a period of 1 μm. Blue dashed lines and dots indicate the SP (photon) energy that can couple photons (SPs).

Fig. 3
Fig. 3

PL spectra of a ZnO/Ag planar thin film and a ZnO/Ag grating structure. Enhancement indicates the ratio of the PL intensity of the grating structure to that of the planar thin film.

Fig. 4
Fig. 4

PL spectra and reflectance of a ZnO/Ag grating structure. Dashed blue lines correspond to the SP mode energies expected from the dispersion relation.

Fig. 5
Fig. 5

Electric field intensity distribution of a ZnO/Ag grating structure at various photon energies obtained by FDTD simulations. All simulations were carried out for p-polarized plane waves.

Equations (2)

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k S P = ω c ε m ' ε d ' ε m ' + ε d ' ,
k S P = ω c sin θ 0 ± 2 π D n ,

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