Spin-cast deposition of CdSe-CdS core-shell colloidal quantum dots on doped GaAs substrates: Structural and optical characterization

IEEE Transactions on Nanotechnology

Volumn 6, Issue 4, 2007, Pages 413-419

  Stiff Roberts, Adrienne D ^a,b   Zhang, Wanming ^b   Xu, Jian ^c   Peng, Hongying ^d,e   Everitt, Henry O ^d,f  

^a IEEE   (United States)

^b Duke University   (United States)

^c The Pennsylvania State University   (United States)

^d DUKE UNIVERSITY   (United States)

^e GE GLOBAL RESEARCH   (United States)

^f US Army AMRDEC Development   (United States)

Author keywords

Charge transfer; Colloidal quantum dots; Hybrid junctions; Photoluminescence

Indexed keywords

COLLOIDAL QUANTUM DOTS; HYBRID JUNCTIONS; OPTICAL CHARACTERIZATION; SURFACE ADSORPTION;

CHARGE TRANSFER; OPTICAL PROPERTIES; PHOTOLUMINESCENCE; PHYSISORPTION; SEMICONDUCTOR JUNCTIONS; SUBSTRATES;

SEMICONDUCTOR QUANTUM DOTS;

EID: 34547295864     PISSN: 1536125X     EISSN: None     Source Type: Journal    
DOI: 10.1109/TNANO.2007.896845     Document Type: Article

References (31)

1. C. B. Murray, S. Sun, W. Gaschler, H. Doyle, T. A. Betley, and C. R. Kagan, "Colloidal synthesis of nanocrystals and nanocrystal superlattices," IBM J. Res. Dev., vol. 45, pp. 47-56, 2001.
2. W. W. Yu, L. Qu, W. Guo, and X. Peng, "Experimental determination of the extinction coefficient of CdTe, CdSe, and CdS nanocrystals," Chem. Mater., vol. 15, pp. 2854-2860, 2003.
3. A. P. Alivisatos, "Perspectives on the physical chemistry of semiconductor nanocrystals," J. Phys. Chem., vol. 100, pp. 13226-13239, 1996.
4. J. G. Winiarz and P. N. Prasad, "Photorefractive inorganic-organic polymer-dispersed liquid-crystal nanocomposite photosensitized with cadmium sulfide quantum dots," Opt. Lett., vol. 27, pp. 1330-1332, 2002.
5. J. G. Winiarz, L. Zhang, M. Lal, C. S. Friend, and P. N. Prasad, "Observation of the photorefractive effect in a hybrid organic-inorganic nanocomposite," J. Amer. Chem. Soc., vol. 121, pp. 5287-5292, 1999.
6. 2 /MEH-PPV polymer photovoltaics," Phys. Rev. B, vol. 64, pp. 125 051-125 059, 2001.
7. 2 electrodes and conjugated polymers as hole transport materials," Synth. Met., vol. 125, pp. 279-287, 2002.
8. D. S. Ginger and N. C. Greenham, "Photoinduced electron transfer from conjugated polymers to CdSe nanocrystals," Phys. Rev. B, vol. 59, pp. 10622-10629, 1999.
9. N. C. Greenham, X. Peng, and A. P. Alivisatos, "Charge separation and transport in conjugated polymer/cadmium selenide nanocrystal composites studied by photoluminescence quenching and photoconductivity," Synth. Met., vol. 84, pp. 545-546, 1997.
10. R. Plass, S. Pelet, J. Krueger, and M. Gratzel, "Quantum dot sensitization of organic-inorganic hybrid solar cells," J, Phys. Chem. B, vol. 106, pp. 7578-7580, 2002.
11. J. M. Pietryga, R. D. Schaller, D. Werder, M. H. Stewart, V. I. Klimov, and J. A. Hollingsworth, "Pushing the bandgap envelope: Midinfrared emitting colloidal PbSe quantum dots," J. Amer, Chem. Soc. Commun., vol. 126, pp. 11752-11753, 2004.
12. L. Bakueva, S. Musikhin, M. A. Hines, T.-W. F. Chang, M. Tzolov, G. D. Scholes, and E. H. Sargent, "Size-tunable infrared (1000-1600 nm) electroluminescence from PbS quantum-dot nanocrystals in a semiconducting polymer," Appl. Phys. Lett., vol. 82, pp. 2895-2897, 2003.
13. N. Tessler, V. Medvedev, M. Kazes, S. H. Kan, and U. Banin, "Efficient near-infrared polymer nanocrystal light-emitting diodes," Science, vol. 295, pp. 1506-1508, 2002.
14. C. A. Leatherdale, C. R. Kagan, N. Y. Morgan, S. A. Empedocles, M. A. Kastner, and M. G. Bawendi, "Photoconductivity in CdSe quantum dot solids," Phys. Rev. B, vol. 62, pp. 2669-2680, 2000.
15. S. A. McDonald, P. W. Cyr, L. Levina, and E. H. Sargent, "Photoconductivity from PbS-nanocrystal/semiconducting polymer composites for solution-processible, quantum-size tunable infrared photodetectors," Appl. Phys. Lett., vol. 85, pp. 2089-2091, 2004.
16. E. Lifshitz, I. Dag, I. Litvin, G. Kodes, S. Gorer, R. Reisfeld, M. Zelner, and H. Minti, "Optical properties of CdSe nanoparticle films prepared by chemical deposition and sol-gel methods," Chem. Phys, Lett., vol. 288, pp. 188-196, 1998.
17. T. Fried, G. Shemer, and G. Markovich, "Ordered two-dimensional arrays of ferrite nanoparticles," Adv. Mater., vol. 13, pp. 1158-1161, 2001.
18. A. Madhukar, S. Lu, A. Konkar, Y. Zhang, and M. Ho, "Integrated semiconductor nanocrystal and epitaxical nanostructure systems: Structural and optical behavior," Nano Lett., vol. 5, pp. 479-482, 2005.
19. M. C. Hanna, O. I. Micic, M. J. Seong, S. P. Ahrenkiel, J. M. Nedeljkovic, and A. J. Nozik, " GalnP2 overgrowth and passivation of colloidal InP nanocrystals using metalorganic chemical vapor deposition," Appl. Phys. Lett., vol. 84, pp. 780-782, 2004.
20. C. B. Poitras, M. Lipson, H. Du, M. A. Hahn, and T. D. Krauss, Appl. Phys. Lett., vol. 82, p. 4032, 2003.
21. J. Xu, D. Cui, B. A. Lewis, A. Y. Wang, S. Xu, and M. Gerhold, "Microcavity light-emitting devices based on colloidal semiconductor nanocrystal quantum dots," IEEE Photon. Technol. Lett., vol. 17, no. 10, pp. 2008-2010, Oct. 2005.
22. E. Marx, D. S. Ginger, K. Walzer, K. Stokbro, and N. C. Greenham, "Self-assembled monolayers of CdSe nanocrystals on doped GaAs substrates," Nano Lett., vol. 2, pp. 911-914, 2002.
23. O. Chernivskaya, L. Chen, M. A. Islam, and L. Brus, "Photoionization of individual CdSe/CdS core/shell nanocrystals on silicon with 2-nm oxide depends on surface band bending," Nano Lett., vol. 3, pp. 497-501, 2003.
24. D. Basko, G. C. L. Rocca, F. Bassani, and V. M. Agranovich, "Forster energy transfer from a semiconductor quantum well to an organic material overlayer," Eur. Phys. J. B, vol. 8, pp. 353-362, 1999.
25. M. Achermann, M. A. Petruska, S. Kos, D. L. Smith, D. D. Koleske, and V. I. Klimov, "Energy-transfer pumping of semiconductor nanocrystals using an epitaxial quantum well," Nature, vol. 429, pp. 642-646, 2004.
26. L. Qu and X. Peng, "Control of photoluminescence properties of CdSe nanocrystals in growth," J. Amer. Chem. Soc., vol. 124, pp. 2049-2056, 2002.
27. D. J. Norris, A. L. Efros, M. Rosen, and M. G. Bawendi, "Size dependence of exciton fine structure in CdSe quantum dots," Phys, Rev. B, vol. 53, pp. 16347-16354, 1996.
28. A. D. Stiff-Roberts, W. Zhang, H. Peng, H. Everitt, and J. Xu, "Structural and optical characterization of CdSe/CdS colloidal quantum dots spin-cast on GaAs substrates for application to infrared photodetectors," presented at the 47th Annu. TMS Electronic Materials Conf., Santa Barbara, CA, 2005.
29. B. A. Korgel and D. Fitzmaurice, "Condensation of ordered nanocrystal thin films," Phys. Rev. Lett., vol. 80, pp. 3531-3534, 1998.
30. S. Pokrant and K. B. Whaley, "Tight-binding studies of surface effects on electronic structure of CdSe nanocrystals: The role of organic ligands, surface reconstruction, and inorganic capping shells," Eur. Phys. J. D, vol. 6, pp. 255-267, 1999.
31. K. Walzer, U. J. Quaade, D. S. Ginger, N. C. Greenham, and K. Stokbro, "Adsorption behavior and current-voltage characteristics of CdSe nanocrystals on hydrogen-passivated silicon," J. Appl. Phys., vol. 92, pp. 1434-1440, 2002.