Abstract

A hybrid structure of CdSe quantum dots (QDs) (λ = 640nm) spin-coated on the indium gallium nitride (InGaN) nanorod light-emitting diode (LED, λ = 525nm) is successfully fabricated. Experimental results indicate that the randomness and the minuteness of nanorods scatter the upcoming green light into the surrounding CdSe QDs efficiently, subsequently alleviating the likelihood of the emitted photons of red emission being recaptured by the CdSe QDs (self-absorption effect), and that increases the coupling probability of emission lights and the overall conversion efficiency. Moreover, the revealed structure with high color stability provides an alternative solution for general lighting applications of next generation.

© 2010 OSA

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    [CrossRef]

2008

C. Y. Huang, Y. K. Su, Y. C. Chen, P. C. Tsai, C. T. Wang, and W. L. Li, “Hybrid CdSe-ZnS quantum dot-InGaN-GaN quantum well red light-emitting diodes,” IEEE Electron Device Lett. 29(7), 711–713 (2008).
[CrossRef]

S. Nizamoglu, G. Zengin, and H. V. Demir, “Color-converting combina tions of nanocrystal emitters for warm-white light generation with high color rendering index,” Appl. Phys. Lett. 92(3), 031102 (2008).
[CrossRef]

L. J. Tzeng, C. L. Cheng, and Y. F. Chen, “Enhancement of band-edge emission induced by defect transition in the composite of ZnO nanorods and CdSe/ZnS quantum dots,” Opt. Lett. 33(6), 569–571 (2008).
[CrossRef] [PubMed]

2007

Y. Li, A. Rizzo, R. Cingolani, and G. Gigli, “White-light-emitting diodes using semiconductor nanocrystals,” Mikrochim. Acta 159(3-4), 207–215 (2007).
[CrossRef]

S. V. Sorokin, I. V. Sedova, A. A. Toropov, G. P. Yablonskii, E. V. Lutsenko, A. G. Voinilovich, A. V. Danilchyk, Y. Dikme, H. Kalisch, B. Schineller, M. Heuken, and S. V. Ivanov, “High efficiency integral III-N/II-VI blue-green laser converter,” Electron. Lett. 43(3), 162–163 (2007).
[CrossRef]

H. Song and S. Lee, “Red light emitting solid state hybrid quantum dot-near-UV GaN LED devices,” Nanotechnolgy 18(25), 255202 (2007).
[CrossRef]

2006

H. S. Chen, C. K. Hsu, and H. Y. Hong, “InGaN-CdSe-ZnSe quantum dots white LEDs,” IEEE Photon. Technol. Lett. 18(1), 193–195 (2006).
[CrossRef]

Y. J. Lee, T. C. Lu, H. C. Kuo, and S. C. Wang, “High Light-Extraction GaN-based LEDs With Double Diffuse Surfaces,” IEEE J. Quantum Electron. 42(12), 1196–1201 (2006).
[CrossRef]

2005

Y. J. Lee, H. C. Kuo, S. C. Wang, T. C. Hsu, M. H. Hsieh, M. J. Jou, and B. J. Lee, “Increasing the extraction efficiency of AlGaInP LEDs via n-side surface roughening,” IEEE Photon. Technol. Lett. 17(11), 2289–2291 (2005).
[CrossRef]

I. L. Medintz, H. T. Uyeda, E. R. Goldman, and H. Mattoussi, “Quantum dot bioconjugates for imaging, labelling and sensing,” Nat. Mater. 4(6), 435–446 (2005).
[CrossRef] [PubMed]

H. S. Chen, S. J. J. Wang, C. J. Lo, and J. Y. Chi, “White-light emission from organics-capped ZnSe quantum dots and application in white-light-emitting diodes,” Appl. Phys. Lett. 86(13), 131905 (2005).
[CrossRef]

2003

H. F. Xiang, S. C. Yu, C. M. Che, and P. T. Lai, “Efficient white and red light emission from GaN/tris-(8-hydroxyquinolato) aluminum/platinum (II) meso-tetrakis(pentafluorophenyl) porphyrin hybrid light-emitting diodes,” Appl. Phys. Lett. 83(8), 1518–1520 (2003).
[CrossRef]

2002

P. Reiss, J. Bleuse, and A. Pron, “Highly luminescent CdSe/ZnSe core/shell nanocrystals of low size dispersion,” Nano Lett. 2(7), 781–784 (2002).
[CrossRef]

2001

Z. A. Peng and X. Peng, “Formation of high-quality CdTe, CdSe, and CdS nanocrystals using CdO as precursor,” J. Am. Chem. Soc. 123(1), 183–184 (2001).
[CrossRef] [PubMed]

N. R. Jana, L. Gearheart, and C. J. Murphy, “Seeding Growth for Size Control of 5−40 nm Diameter Gold Nanoparticles,” Langmuir 17(22), 6782–6786 (2001).
[CrossRef]

1999

G. I. Surdutovich, J. Kolenda, J. F. Fragalli, L. Misoguti, R. Vitlina, and V. Baranauskas, “An interface method for the determination of thin film anisotropy,” Thin Solid Films 279(1–2), 119–123 (1999).
[CrossRef]

1997

B. O. Dabbousi, J. Rodriguez-Viejo, F. V. Mikulec, J. R. Heine, H. Mattoussi, R. Ober, K. F. Jensen, and M. G. Bawendi, “(CdSe)ZnS Core−Shell Quantum Dots: Synthesis and Characterization of a Size Series of Highly Luminescent Nanocrystallines,” J. Phys. Chem. B 101(46), 9463–9475 (1997).
[CrossRef]

1996

A. P. Alivisatos, “Semiconductor clusters, nanocrystals, and quantum dots,” Science 271(5251), 933–937 (1996).
[CrossRef]

1993

I. Schnitzer, E. Yablonovitch, C. Caneau, T. J. Gmitter, and P. A. Schere, “30% external quantum efficiency from surface textured, thin-film light-emitting diodes,” Appl. Phys. Lett. 63(16), 2174–2176 (1993).
[CrossRef]

Alivisatos, A. P.

A. P. Alivisatos, “Semiconductor clusters, nanocrystals, and quantum dots,” Science 271(5251), 933–937 (1996).
[CrossRef]

Baranauskas, V.

G. I. Surdutovich, J. Kolenda, J. F. Fragalli, L. Misoguti, R. Vitlina, and V. Baranauskas, “An interface method for the determination of thin film anisotropy,” Thin Solid Films 279(1–2), 119–123 (1999).
[CrossRef]

Bawendi, M. G.

B. O. Dabbousi, J. Rodriguez-Viejo, F. V. Mikulec, J. R. Heine, H. Mattoussi, R. Ober, K. F. Jensen, and M. G. Bawendi, “(CdSe)ZnS Core−Shell Quantum Dots: Synthesis and Characterization of a Size Series of Highly Luminescent Nanocrystallines,” J. Phys. Chem. B 101(46), 9463–9475 (1997).
[CrossRef]

Bleuse, J.

P. Reiss, J. Bleuse, and A. Pron, “Highly luminescent CdSe/ZnSe core/shell nanocrystals of low size dispersion,” Nano Lett. 2(7), 781–784 (2002).
[CrossRef]

Caneau, C.

I. Schnitzer, E. Yablonovitch, C. Caneau, T. J. Gmitter, and P. A. Schere, “30% external quantum efficiency from surface textured, thin-film light-emitting diodes,” Appl. Phys. Lett. 63(16), 2174–2176 (1993).
[CrossRef]

Che, C. M.

H. F. Xiang, S. C. Yu, C. M. Che, and P. T. Lai, “Efficient white and red light emission from GaN/tris-(8-hydroxyquinolato) aluminum/platinum (II) meso-tetrakis(pentafluorophenyl) porphyrin hybrid light-emitting diodes,” Appl. Phys. Lett. 83(8), 1518–1520 (2003).
[CrossRef]

Chen, H. S.

H. S. Chen, C. K. Hsu, and H. Y. Hong, “InGaN-CdSe-ZnSe quantum dots white LEDs,” IEEE Photon. Technol. Lett. 18(1), 193–195 (2006).
[CrossRef]

H. S. Chen, S. J. J. Wang, C. J. Lo, and J. Y. Chi, “White-light emission from organics-capped ZnSe quantum dots and application in white-light-emitting diodes,” Appl. Phys. Lett. 86(13), 131905 (2005).
[CrossRef]

Chen, Y. C.

C. Y. Huang, Y. K. Su, Y. C. Chen, P. C. Tsai, C. T. Wang, and W. L. Li, “Hybrid CdSe-ZnS quantum dot-InGaN-GaN quantum well red light-emitting diodes,” IEEE Electron Device Lett. 29(7), 711–713 (2008).
[CrossRef]

Chen, Y. F.

Cheng, C. L.

Chi, J. Y.

H. S. Chen, S. J. J. Wang, C. J. Lo, and J. Y. Chi, “White-light emission from organics-capped ZnSe quantum dots and application in white-light-emitting diodes,” Appl. Phys. Lett. 86(13), 131905 (2005).
[CrossRef]

Cingolani, R.

Y. Li, A. Rizzo, R. Cingolani, and G. Gigli, “White-light-emitting diodes using semiconductor nanocrystals,” Mikrochim. Acta 159(3-4), 207–215 (2007).
[CrossRef]

Dabbousi, B. O.

B. O. Dabbousi, J. Rodriguez-Viejo, F. V. Mikulec, J. R. Heine, H. Mattoussi, R. Ober, K. F. Jensen, and M. G. Bawendi, “(CdSe)ZnS Core−Shell Quantum Dots: Synthesis and Characterization of a Size Series of Highly Luminescent Nanocrystallines,” J. Phys. Chem. B 101(46), 9463–9475 (1997).
[CrossRef]

Danilchyk, A. V.

S. V. Sorokin, I. V. Sedova, A. A. Toropov, G. P. Yablonskii, E. V. Lutsenko, A. G. Voinilovich, A. V. Danilchyk, Y. Dikme, H. Kalisch, B. Schineller, M. Heuken, and S. V. Ivanov, “High efficiency integral III-N/II-VI blue-green laser converter,” Electron. Lett. 43(3), 162–163 (2007).
[CrossRef]

Demir, H. V.

S. Nizamoglu, G. Zengin, and H. V. Demir, “Color-converting combina tions of nanocrystal emitters for warm-white light generation with high color rendering index,” Appl. Phys. Lett. 92(3), 031102 (2008).
[CrossRef]

Dikme, Y.

S. V. Sorokin, I. V. Sedova, A. A. Toropov, G. P. Yablonskii, E. V. Lutsenko, A. G. Voinilovich, A. V. Danilchyk, Y. Dikme, H. Kalisch, B. Schineller, M. Heuken, and S. V. Ivanov, “High efficiency integral III-N/II-VI blue-green laser converter,” Electron. Lett. 43(3), 162–163 (2007).
[CrossRef]

Fragalli, J. F.

G. I. Surdutovich, J. Kolenda, J. F. Fragalli, L. Misoguti, R. Vitlina, and V. Baranauskas, “An interface method for the determination of thin film anisotropy,” Thin Solid Films 279(1–2), 119–123 (1999).
[CrossRef]

Gearheart, L.

N. R. Jana, L. Gearheart, and C. J. Murphy, “Seeding Growth for Size Control of 5−40 nm Diameter Gold Nanoparticles,” Langmuir 17(22), 6782–6786 (2001).
[CrossRef]

Gigli, G.

Y. Li, A. Rizzo, R. Cingolani, and G. Gigli, “White-light-emitting diodes using semiconductor nanocrystals,” Mikrochim. Acta 159(3-4), 207–215 (2007).
[CrossRef]

Gmitter, T. J.

I. Schnitzer, E. Yablonovitch, C. Caneau, T. J. Gmitter, and P. A. Schere, “30% external quantum efficiency from surface textured, thin-film light-emitting diodes,” Appl. Phys. Lett. 63(16), 2174–2176 (1993).
[CrossRef]

Goldman, E. R.

I. L. Medintz, H. T. Uyeda, E. R. Goldman, and H. Mattoussi, “Quantum dot bioconjugates for imaging, labelling and sensing,” Nat. Mater. 4(6), 435–446 (2005).
[CrossRef] [PubMed]

Heine, J. R.

B. O. Dabbousi, J. Rodriguez-Viejo, F. V. Mikulec, J. R. Heine, H. Mattoussi, R. Ober, K. F. Jensen, and M. G. Bawendi, “(CdSe)ZnS Core−Shell Quantum Dots: Synthesis and Characterization of a Size Series of Highly Luminescent Nanocrystallines,” J. Phys. Chem. B 101(46), 9463–9475 (1997).
[CrossRef]

Heuken, M.

S. V. Sorokin, I. V. Sedova, A. A. Toropov, G. P. Yablonskii, E. V. Lutsenko, A. G. Voinilovich, A. V. Danilchyk, Y. Dikme, H. Kalisch, B. Schineller, M. Heuken, and S. V. Ivanov, “High efficiency integral III-N/II-VI blue-green laser converter,” Electron. Lett. 43(3), 162–163 (2007).
[CrossRef]

Hong, H. Y.

H. S. Chen, C. K. Hsu, and H. Y. Hong, “InGaN-CdSe-ZnSe quantum dots white LEDs,” IEEE Photon. Technol. Lett. 18(1), 193–195 (2006).
[CrossRef]

Hsieh, M. H.

Y. J. Lee, H. C. Kuo, S. C. Wang, T. C. Hsu, M. H. Hsieh, M. J. Jou, and B. J. Lee, “Increasing the extraction efficiency of AlGaInP LEDs via n-side surface roughening,” IEEE Photon. Technol. Lett. 17(11), 2289–2291 (2005).
[CrossRef]

Hsu, C. K.

H. S. Chen, C. K. Hsu, and H. Y. Hong, “InGaN-CdSe-ZnSe quantum dots white LEDs,” IEEE Photon. Technol. Lett. 18(1), 193–195 (2006).
[CrossRef]

Hsu, T. C.

Y. J. Lee, H. C. Kuo, S. C. Wang, T. C. Hsu, M. H. Hsieh, M. J. Jou, and B. J. Lee, “Increasing the extraction efficiency of AlGaInP LEDs via n-side surface roughening,” IEEE Photon. Technol. Lett. 17(11), 2289–2291 (2005).
[CrossRef]

Huang, C. Y.

C. Y. Huang, Y. K. Su, Y. C. Chen, P. C. Tsai, C. T. Wang, and W. L. Li, “Hybrid CdSe-ZnS quantum dot-InGaN-GaN quantum well red light-emitting diodes,” IEEE Electron Device Lett. 29(7), 711–713 (2008).
[CrossRef]

Ivanov, S. V.

S. V. Sorokin, I. V. Sedova, A. A. Toropov, G. P. Yablonskii, E. V. Lutsenko, A. G. Voinilovich, A. V. Danilchyk, Y. Dikme, H. Kalisch, B. Schineller, M. Heuken, and S. V. Ivanov, “High efficiency integral III-N/II-VI blue-green laser converter,” Electron. Lett. 43(3), 162–163 (2007).
[CrossRef]

Jana, N. R.

N. R. Jana, L. Gearheart, and C. J. Murphy, “Seeding Growth for Size Control of 5−40 nm Diameter Gold Nanoparticles,” Langmuir 17(22), 6782–6786 (2001).
[CrossRef]

Jensen, K. F.

B. O. Dabbousi, J. Rodriguez-Viejo, F. V. Mikulec, J. R. Heine, H. Mattoussi, R. Ober, K. F. Jensen, and M. G. Bawendi, “(CdSe)ZnS Core−Shell Quantum Dots: Synthesis and Characterization of a Size Series of Highly Luminescent Nanocrystallines,” J. Phys. Chem. B 101(46), 9463–9475 (1997).
[CrossRef]

Jou, M. J.

Y. J. Lee, H. C. Kuo, S. C. Wang, T. C. Hsu, M. H. Hsieh, M. J. Jou, and B. J. Lee, “Increasing the extraction efficiency of AlGaInP LEDs via n-side surface roughening,” IEEE Photon. Technol. Lett. 17(11), 2289–2291 (2005).
[CrossRef]

Kalisch, H.

S. V. Sorokin, I. V. Sedova, A. A. Toropov, G. P. Yablonskii, E. V. Lutsenko, A. G. Voinilovich, A. V. Danilchyk, Y. Dikme, H. Kalisch, B. Schineller, M. Heuken, and S. V. Ivanov, “High efficiency integral III-N/II-VI blue-green laser converter,” Electron. Lett. 43(3), 162–163 (2007).
[CrossRef]

Kolenda, J.

G. I. Surdutovich, J. Kolenda, J. F. Fragalli, L. Misoguti, R. Vitlina, and V. Baranauskas, “An interface method for the determination of thin film anisotropy,” Thin Solid Films 279(1–2), 119–123 (1999).
[CrossRef]

Kuo, H. C.

Y. J. Lee, T. C. Lu, H. C. Kuo, and S. C. Wang, “High Light-Extraction GaN-based LEDs With Double Diffuse Surfaces,” IEEE J. Quantum Electron. 42(12), 1196–1201 (2006).
[CrossRef]

Y. J. Lee, H. C. Kuo, S. C. Wang, T. C. Hsu, M. H. Hsieh, M. J. Jou, and B. J. Lee, “Increasing the extraction efficiency of AlGaInP LEDs via n-side surface roughening,” IEEE Photon. Technol. Lett. 17(11), 2289–2291 (2005).
[CrossRef]

Lai, P. T.

H. F. Xiang, S. C. Yu, C. M. Che, and P. T. Lai, “Efficient white and red light emission from GaN/tris-(8-hydroxyquinolato) aluminum/platinum (II) meso-tetrakis(pentafluorophenyl) porphyrin hybrid light-emitting diodes,” Appl. Phys. Lett. 83(8), 1518–1520 (2003).
[CrossRef]

Lee, B. J.

Y. J. Lee, H. C. Kuo, S. C. Wang, T. C. Hsu, M. H. Hsieh, M. J. Jou, and B. J. Lee, “Increasing the extraction efficiency of AlGaInP LEDs via n-side surface roughening,” IEEE Photon. Technol. Lett. 17(11), 2289–2291 (2005).
[CrossRef]

Lee, S.

H. Song and S. Lee, “Red light emitting solid state hybrid quantum dot-near-UV GaN LED devices,” Nanotechnolgy 18(25), 255202 (2007).
[CrossRef]

Lee, Y. J.

Y. J. Lee, T. C. Lu, H. C. Kuo, and S. C. Wang, “High Light-Extraction GaN-based LEDs With Double Diffuse Surfaces,” IEEE J. Quantum Electron. 42(12), 1196–1201 (2006).
[CrossRef]

Y. J. Lee, H. C. Kuo, S. C. Wang, T. C. Hsu, M. H. Hsieh, M. J. Jou, and B. J. Lee, “Increasing the extraction efficiency of AlGaInP LEDs via n-side surface roughening,” IEEE Photon. Technol. Lett. 17(11), 2289–2291 (2005).
[CrossRef]

Li, W. L.

C. Y. Huang, Y. K. Su, Y. C. Chen, P. C. Tsai, C. T. Wang, and W. L. Li, “Hybrid CdSe-ZnS quantum dot-InGaN-GaN quantum well red light-emitting diodes,” IEEE Electron Device Lett. 29(7), 711–713 (2008).
[CrossRef]

Li, Y.

Y. Li, A. Rizzo, R. Cingolani, and G. Gigli, “White-light-emitting diodes using semiconductor nanocrystals,” Mikrochim. Acta 159(3-4), 207–215 (2007).
[CrossRef]

Lo, C. J.

H. S. Chen, S. J. J. Wang, C. J. Lo, and J. Y. Chi, “White-light emission from organics-capped ZnSe quantum dots and application in white-light-emitting diodes,” Appl. Phys. Lett. 86(13), 131905 (2005).
[CrossRef]

Lu, T. C.

Y. J. Lee, T. C. Lu, H. C. Kuo, and S. C. Wang, “High Light-Extraction GaN-based LEDs With Double Diffuse Surfaces,” IEEE J. Quantum Electron. 42(12), 1196–1201 (2006).
[CrossRef]

Lutsenko, E. V.

S. V. Sorokin, I. V. Sedova, A. A. Toropov, G. P. Yablonskii, E. V. Lutsenko, A. G. Voinilovich, A. V. Danilchyk, Y. Dikme, H. Kalisch, B. Schineller, M. Heuken, and S. V. Ivanov, “High efficiency integral III-N/II-VI blue-green laser converter,” Electron. Lett. 43(3), 162–163 (2007).
[CrossRef]

Mattoussi, H.

I. L. Medintz, H. T. Uyeda, E. R. Goldman, and H. Mattoussi, “Quantum dot bioconjugates for imaging, labelling and sensing,” Nat. Mater. 4(6), 435–446 (2005).
[CrossRef] [PubMed]

B. O. Dabbousi, J. Rodriguez-Viejo, F. V. Mikulec, J. R. Heine, H. Mattoussi, R. Ober, K. F. Jensen, and M. G. Bawendi, “(CdSe)ZnS Core−Shell Quantum Dots: Synthesis and Characterization of a Size Series of Highly Luminescent Nanocrystallines,” J. Phys. Chem. B 101(46), 9463–9475 (1997).
[CrossRef]

Medintz, I. L.

I. L. Medintz, H. T. Uyeda, E. R. Goldman, and H. Mattoussi, “Quantum dot bioconjugates for imaging, labelling and sensing,” Nat. Mater. 4(6), 435–446 (2005).
[CrossRef] [PubMed]

Mikulec, F. V.

B. O. Dabbousi, J. Rodriguez-Viejo, F. V. Mikulec, J. R. Heine, H. Mattoussi, R. Ober, K. F. Jensen, and M. G. Bawendi, “(CdSe)ZnS Core−Shell Quantum Dots: Synthesis and Characterization of a Size Series of Highly Luminescent Nanocrystallines,” J. Phys. Chem. B 101(46), 9463–9475 (1997).
[CrossRef]

Misoguti, L.

G. I. Surdutovich, J. Kolenda, J. F. Fragalli, L. Misoguti, R. Vitlina, and V. Baranauskas, “An interface method for the determination of thin film anisotropy,” Thin Solid Films 279(1–2), 119–123 (1999).
[CrossRef]

Murphy, C. J.

N. R. Jana, L. Gearheart, and C. J. Murphy, “Seeding Growth for Size Control of 5−40 nm Diameter Gold Nanoparticles,” Langmuir 17(22), 6782–6786 (2001).
[CrossRef]

Nizamoglu, S.

S. Nizamoglu, G. Zengin, and H. V. Demir, “Color-converting combina tions of nanocrystal emitters for warm-white light generation with high color rendering index,” Appl. Phys. Lett. 92(3), 031102 (2008).
[CrossRef]

Ober, R.

B. O. Dabbousi, J. Rodriguez-Viejo, F. V. Mikulec, J. R. Heine, H. Mattoussi, R. Ober, K. F. Jensen, and M. G. Bawendi, “(CdSe)ZnS Core−Shell Quantum Dots: Synthesis and Characterization of a Size Series of Highly Luminescent Nanocrystallines,” J. Phys. Chem. B 101(46), 9463–9475 (1997).
[CrossRef]

Peng, X.

Z. A. Peng and X. Peng, “Formation of high-quality CdTe, CdSe, and CdS nanocrystals using CdO as precursor,” J. Am. Chem. Soc. 123(1), 183–184 (2001).
[CrossRef] [PubMed]

Peng, Z. A.

Z. A. Peng and X. Peng, “Formation of high-quality CdTe, CdSe, and CdS nanocrystals using CdO as precursor,” J. Am. Chem. Soc. 123(1), 183–184 (2001).
[CrossRef] [PubMed]

Pron, A.

P. Reiss, J. Bleuse, and A. Pron, “Highly luminescent CdSe/ZnSe core/shell nanocrystals of low size dispersion,” Nano Lett. 2(7), 781–784 (2002).
[CrossRef]

Reiss, P.

P. Reiss, J. Bleuse, and A. Pron, “Highly luminescent CdSe/ZnSe core/shell nanocrystals of low size dispersion,” Nano Lett. 2(7), 781–784 (2002).
[CrossRef]

Rizzo, A.

Y. Li, A. Rizzo, R. Cingolani, and G. Gigli, “White-light-emitting diodes using semiconductor nanocrystals,” Mikrochim. Acta 159(3-4), 207–215 (2007).
[CrossRef]

Rodriguez-Viejo, J.

B. O. Dabbousi, J. Rodriguez-Viejo, F. V. Mikulec, J. R. Heine, H. Mattoussi, R. Ober, K. F. Jensen, and M. G. Bawendi, “(CdSe)ZnS Core−Shell Quantum Dots: Synthesis and Characterization of a Size Series of Highly Luminescent Nanocrystallines,” J. Phys. Chem. B 101(46), 9463–9475 (1997).
[CrossRef]

Schere, P. A.

I. Schnitzer, E. Yablonovitch, C. Caneau, T. J. Gmitter, and P. A. Schere, “30% external quantum efficiency from surface textured, thin-film light-emitting diodes,” Appl. Phys. Lett. 63(16), 2174–2176 (1993).
[CrossRef]

Schineller, B.

S. V. Sorokin, I. V. Sedova, A. A. Toropov, G. P. Yablonskii, E. V. Lutsenko, A. G. Voinilovich, A. V. Danilchyk, Y. Dikme, H. Kalisch, B. Schineller, M. Heuken, and S. V. Ivanov, “High efficiency integral III-N/II-VI blue-green laser converter,” Electron. Lett. 43(3), 162–163 (2007).
[CrossRef]

Schnitzer, I.

I. Schnitzer, E. Yablonovitch, C. Caneau, T. J. Gmitter, and P. A. Schere, “30% external quantum efficiency from surface textured, thin-film light-emitting diodes,” Appl. Phys. Lett. 63(16), 2174–2176 (1993).
[CrossRef]

Sedova, I. V.

S. V. Sorokin, I. V. Sedova, A. A. Toropov, G. P. Yablonskii, E. V. Lutsenko, A. G. Voinilovich, A. V. Danilchyk, Y. Dikme, H. Kalisch, B. Schineller, M. Heuken, and S. V. Ivanov, “High efficiency integral III-N/II-VI blue-green laser converter,” Electron. Lett. 43(3), 162–163 (2007).
[CrossRef]

Song, H.

H. Song and S. Lee, “Red light emitting solid state hybrid quantum dot-near-UV GaN LED devices,” Nanotechnolgy 18(25), 255202 (2007).
[CrossRef]

Sorokin, S. V.

S. V. Sorokin, I. V. Sedova, A. A. Toropov, G. P. Yablonskii, E. V. Lutsenko, A. G. Voinilovich, A. V. Danilchyk, Y. Dikme, H. Kalisch, B. Schineller, M. Heuken, and S. V. Ivanov, “High efficiency integral III-N/II-VI blue-green laser converter,” Electron. Lett. 43(3), 162–163 (2007).
[CrossRef]

Su, Y. K.

C. Y. Huang, Y. K. Su, Y. C. Chen, P. C. Tsai, C. T. Wang, and W. L. Li, “Hybrid CdSe-ZnS quantum dot-InGaN-GaN quantum well red light-emitting diodes,” IEEE Electron Device Lett. 29(7), 711–713 (2008).
[CrossRef]

Surdutovich, G. I.

G. I. Surdutovich, J. Kolenda, J. F. Fragalli, L. Misoguti, R. Vitlina, and V. Baranauskas, “An interface method for the determination of thin film anisotropy,” Thin Solid Films 279(1–2), 119–123 (1999).
[CrossRef]

Toropov, A. A.

S. V. Sorokin, I. V. Sedova, A. A. Toropov, G. P. Yablonskii, E. V. Lutsenko, A. G. Voinilovich, A. V. Danilchyk, Y. Dikme, H. Kalisch, B. Schineller, M. Heuken, and S. V. Ivanov, “High efficiency integral III-N/II-VI blue-green laser converter,” Electron. Lett. 43(3), 162–163 (2007).
[CrossRef]

Tsai, P. C.

C. Y. Huang, Y. K. Su, Y. C. Chen, P. C. Tsai, C. T. Wang, and W. L. Li, “Hybrid CdSe-ZnS quantum dot-InGaN-GaN quantum well red light-emitting diodes,” IEEE Electron Device Lett. 29(7), 711–713 (2008).
[CrossRef]

Tzeng, L. J.

Uyeda, H. T.

I. L. Medintz, H. T. Uyeda, E. R. Goldman, and H. Mattoussi, “Quantum dot bioconjugates for imaging, labelling and sensing,” Nat. Mater. 4(6), 435–446 (2005).
[CrossRef] [PubMed]

Vitlina, R.

G. I. Surdutovich, J. Kolenda, J. F. Fragalli, L. Misoguti, R. Vitlina, and V. Baranauskas, “An interface method for the determination of thin film anisotropy,” Thin Solid Films 279(1–2), 119–123 (1999).
[CrossRef]

Voinilovich, A. G.

S. V. Sorokin, I. V. Sedova, A. A. Toropov, G. P. Yablonskii, E. V. Lutsenko, A. G. Voinilovich, A. V. Danilchyk, Y. Dikme, H. Kalisch, B. Schineller, M. Heuken, and S. V. Ivanov, “High efficiency integral III-N/II-VI blue-green laser converter,” Electron. Lett. 43(3), 162–163 (2007).
[CrossRef]

Wang, C. T.

C. Y. Huang, Y. K. Su, Y. C. Chen, P. C. Tsai, C. T. Wang, and W. L. Li, “Hybrid CdSe-ZnS quantum dot-InGaN-GaN quantum well red light-emitting diodes,” IEEE Electron Device Lett. 29(7), 711–713 (2008).
[CrossRef]

Wang, S. C.

Y. J. Lee, T. C. Lu, H. C. Kuo, and S. C. Wang, “High Light-Extraction GaN-based LEDs With Double Diffuse Surfaces,” IEEE J. Quantum Electron. 42(12), 1196–1201 (2006).
[CrossRef]

Y. J. Lee, H. C. Kuo, S. C. Wang, T. C. Hsu, M. H. Hsieh, M. J. Jou, and B. J. Lee, “Increasing the extraction efficiency of AlGaInP LEDs via n-side surface roughening,” IEEE Photon. Technol. Lett. 17(11), 2289–2291 (2005).
[CrossRef]

Wang, S. J. J.

H. S. Chen, S. J. J. Wang, C. J. Lo, and J. Y. Chi, “White-light emission from organics-capped ZnSe quantum dots and application in white-light-emitting diodes,” Appl. Phys. Lett. 86(13), 131905 (2005).
[CrossRef]

Xiang, H. F.

H. F. Xiang, S. C. Yu, C. M. Che, and P. T. Lai, “Efficient white and red light emission from GaN/tris-(8-hydroxyquinolato) aluminum/platinum (II) meso-tetrakis(pentafluorophenyl) porphyrin hybrid light-emitting diodes,” Appl. Phys. Lett. 83(8), 1518–1520 (2003).
[CrossRef]

Yablonovitch, E.

I. Schnitzer, E. Yablonovitch, C. Caneau, T. J. Gmitter, and P. A. Schere, “30% external quantum efficiency from surface textured, thin-film light-emitting diodes,” Appl. Phys. Lett. 63(16), 2174–2176 (1993).
[CrossRef]

Yablonskii, G. P.

S. V. Sorokin, I. V. Sedova, A. A. Toropov, G. P. Yablonskii, E. V. Lutsenko, A. G. Voinilovich, A. V. Danilchyk, Y. Dikme, H. Kalisch, B. Schineller, M. Heuken, and S. V. Ivanov, “High efficiency integral III-N/II-VI blue-green laser converter,” Electron. Lett. 43(3), 162–163 (2007).
[CrossRef]

Yu, S. C.

H. F. Xiang, S. C. Yu, C. M. Che, and P. T. Lai, “Efficient white and red light emission from GaN/tris-(8-hydroxyquinolato) aluminum/platinum (II) meso-tetrakis(pentafluorophenyl) porphyrin hybrid light-emitting diodes,” Appl. Phys. Lett. 83(8), 1518–1520 (2003).
[CrossRef]

Zengin, G.

S. Nizamoglu, G. Zengin, and H. V. Demir, “Color-converting combina tions of nanocrystal emitters for warm-white light generation with high color rendering index,” Appl. Phys. Lett. 92(3), 031102 (2008).
[CrossRef]

Appl. Phys. Lett.

H. S. Chen, S. J. J. Wang, C. J. Lo, and J. Y. Chi, “White-light emission from organics-capped ZnSe quantum dots and application in white-light-emitting diodes,” Appl. Phys. Lett. 86(13), 131905 (2005).
[CrossRef]

S. Nizamoglu, G. Zengin, and H. V. Demir, “Color-converting combina tions of nanocrystal emitters for warm-white light generation with high color rendering index,” Appl. Phys. Lett. 92(3), 031102 (2008).
[CrossRef]

H. F. Xiang, S. C. Yu, C. M. Che, and P. T. Lai, “Efficient white and red light emission from GaN/tris-(8-hydroxyquinolato) aluminum/platinum (II) meso-tetrakis(pentafluorophenyl) porphyrin hybrid light-emitting diodes,” Appl. Phys. Lett. 83(8), 1518–1520 (2003).
[CrossRef]

I. Schnitzer, E. Yablonovitch, C. Caneau, T. J. Gmitter, and P. A. Schere, “30% external quantum efficiency from surface textured, thin-film light-emitting diodes,” Appl. Phys. Lett. 63(16), 2174–2176 (1993).
[CrossRef]

Electron. Lett.

S. V. Sorokin, I. V. Sedova, A. A. Toropov, G. P. Yablonskii, E. V. Lutsenko, A. G. Voinilovich, A. V. Danilchyk, Y. Dikme, H. Kalisch, B. Schineller, M. Heuken, and S. V. Ivanov, “High efficiency integral III-N/II-VI blue-green laser converter,” Electron. Lett. 43(3), 162–163 (2007).
[CrossRef]

IEEE Electron Device Lett.

C. Y. Huang, Y. K. Su, Y. C. Chen, P. C. Tsai, C. T. Wang, and W. L. Li, “Hybrid CdSe-ZnS quantum dot-InGaN-GaN quantum well red light-emitting diodes,” IEEE Electron Device Lett. 29(7), 711–713 (2008).
[CrossRef]

IEEE J. Quantum Electron.

Y. J. Lee, T. C. Lu, H. C. Kuo, and S. C. Wang, “High Light-Extraction GaN-based LEDs With Double Diffuse Surfaces,” IEEE J. Quantum Electron. 42(12), 1196–1201 (2006).
[CrossRef]

IEEE Photon. Technol. Lett.

Y. J. Lee, H. C. Kuo, S. C. Wang, T. C. Hsu, M. H. Hsieh, M. J. Jou, and B. J. Lee, “Increasing the extraction efficiency of AlGaInP LEDs via n-side surface roughening,” IEEE Photon. Technol. Lett. 17(11), 2289–2291 (2005).
[CrossRef]

H. S. Chen, C. K. Hsu, and H. Y. Hong, “InGaN-CdSe-ZnSe quantum dots white LEDs,” IEEE Photon. Technol. Lett. 18(1), 193–195 (2006).
[CrossRef]

J. Am. Chem. Soc.

Z. A. Peng and X. Peng, “Formation of high-quality CdTe, CdSe, and CdS nanocrystals using CdO as precursor,” J. Am. Chem. Soc. 123(1), 183–184 (2001).
[CrossRef] [PubMed]

J. Phys. Chem. B

B. O. Dabbousi, J. Rodriguez-Viejo, F. V. Mikulec, J. R. Heine, H. Mattoussi, R. Ober, K. F. Jensen, and M. G. Bawendi, “(CdSe)ZnS Core−Shell Quantum Dots: Synthesis and Characterization of a Size Series of Highly Luminescent Nanocrystallines,” J. Phys. Chem. B 101(46), 9463–9475 (1997).
[CrossRef]

Langmuir

N. R. Jana, L. Gearheart, and C. J. Murphy, “Seeding Growth for Size Control of 5−40 nm Diameter Gold Nanoparticles,” Langmuir 17(22), 6782–6786 (2001).
[CrossRef]

Mikrochim. Acta

Y. Li, A. Rizzo, R. Cingolani, and G. Gigli, “White-light-emitting diodes using semiconductor nanocrystals,” Mikrochim. Acta 159(3-4), 207–215 (2007).
[CrossRef]

Nano Lett.

P. Reiss, J. Bleuse, and A. Pron, “Highly luminescent CdSe/ZnSe core/shell nanocrystals of low size dispersion,” Nano Lett. 2(7), 781–784 (2002).
[CrossRef]

Nanotechnolgy

H. Song and S. Lee, “Red light emitting solid state hybrid quantum dot-near-UV GaN LED devices,” Nanotechnolgy 18(25), 255202 (2007).
[CrossRef]

Nat. Mater.

I. L. Medintz, H. T. Uyeda, E. R. Goldman, and H. Mattoussi, “Quantum dot bioconjugates for imaging, labelling and sensing,” Nat. Mater. 4(6), 435–446 (2005).
[CrossRef] [PubMed]

Opt. Lett.

Science

A. P. Alivisatos, “Semiconductor clusters, nanocrystals, and quantum dots,” Science 271(5251), 933–937 (1996).
[CrossRef]

Thin Solid Films

G. I. Surdutovich, J. Kolenda, J. F. Fragalli, L. Misoguti, R. Vitlina, and V. Baranauskas, “An interface method for the determination of thin film anisotropy,” Thin Solid Films 279(1–2), 119–123 (1999).
[CrossRef]

Other

3M claims record efficacy for green LED. LEDs magazine; 23 Nov 2009. http://www.ledsmagazine.com/news/6/11/24

M. Born, and E. Wolf, Principles of optics 7th edition. Cambridge University Press, Cambridge, U.K., 46 (1999).

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Figures (7)

Fig. 1
Fig. 1

(a) Photoluminescence and absorption spectra of pure CdSe QDs. Schematic cross-sectional view of PL setup: hybrid structures of colloidal CdSe QDs spin-coated on (b) planar (sample A) and (c) nanorod LEDs (sample B).

Fig. 2
Fig. 2

(a) PL spectra of planar and nanorod LEDs. Inset: Representative SEM image of InGaN nanorod LEDs. (b) Integrated PL intensity of planar and nanorod LED against excited laser power. Inset: integrated intensity ratio between nanorod and planar LEDs vs. excited laser power.

Fig. 3
Fig. 3

(a) Schematic setup of the total reflectance measurement. The scattered light from the testing sample was uniformly redistributed by the integrating sphere and detected by the photon detecter. Rtotal (θ) of the nanorod and planar LEDs for TE and TM polarized light with incident laser of emitting wavelength of (b) λ = 532nm and (c) λ = 633nm.

Fig. 4
Fig. 4

PL spectra vs. incited laser power for (a) sample A and (b) sample B.

Fig. 5
Fig. 5

Integrated PL intensity of green and red emission vs. excited laser power for (a) sample A and (b) sample B. (c) Ratio of integrated PL intensity between red and green emission against excited laser power for both samples.

Fig. 6
Fig. 6

(a) Centroid λ and (b) FWHM for both samples versus excitation power (milliwatts).

Fig. 7
Fig. 7

CIE chromaticity coordinates for both samples with the excited laser power increasing from 5 to 50 mW.

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