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Conference Paper
Conference on Lasers and Electro-Optics
Baltimore, Maryland United States
May 22, 2005
ISBN: 1-55752-770-9
Optical Properties of LED Nanomaterials and Devices (CMII)

Tenfold Improvement in the Photoluminescence Quantum Efficiency of Quantum-Size-Effect-Tunable (1000-2000 nm) and Solution-Processed PbS Nanocrystal Films

Tung-Wah F. Chang, Ahmed Maria, Paul W. Cyr, Vlad Sukhovatkin, Larissa Levina, and Edward H. Sargent

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Abstract

PbS nanocrystals for infrared applications have previously shown to have very low photoluminescence quantum efficiency (~ 1%) when solution-processed into the solid state. We show a tenfold improvement through the use of polymer-nanocrystal composites.

© 2005 Optical Society of America

OCIS Codes
(250.0250) Optoelectronics : Optoelectronics
(250.5230) Optoelectronics : Photoluminescence
(260.0260) Physical optics : Physical optics
(260.3060) Physical optics : Infrared

Citation
T. F. Chang, A. Maria, P. W. Cyr, V. Sukhovatkin, L. Levina, and E. H. Sargent, "Tenfold Improvement in the Photoluminescence Quantum Efficiency of Quantum-Size-Effect-Tunable (1000-2000 nm) and Solution-Processed PbS Nanocrystal Films," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2005), paper CMII4.
http://www.opticsinfobase.org/abstract.cfm?URI=CLEO-2005-CMII4


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