DocumentCode
448022
Title
Ten-fold improvement in the photoluminescence quantum efficiency of quantum-size-effect-tunable (1000-2000 nm) and solution-processed PbS nanocrystal films
Author
Chang, Tung-Wah Frederick ; Maria, Ahmed ; Cyr, Paul W. ; Sukhovatkin, Vlad ; Levina, Larissa ; Sargent, Edward H.
Author_Institution
Dept. of Electr. & Comput. Eng., Toronto Univ., Ont., Canada
Volume
1
fYear
2005
fDate
22-27 May 2005
Firstpage
618
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 ten-fold improvement through the use of polymer-nanocrystal composites.
Keywords
IV-VI semiconductors; lead compounds; nanostructured materials; optical films; photoluminescence; semiconductor quantum dots; 1000 to 2000 nm; PbS; PbS nanocrystals; infrared applications; photoluminescence; polymer-nanocrystal composites; quantum efficiency; quantum-size-effect-tuning; solution-processing; Atom optics; Atomic beams; Nanocrystals; Optical films; Optical polymers; Photoluminescence; Quantum computing; Semiconductivity; Semiconductor films; Semiconductor materials;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics, 2005. (CLEO). Conference on
Print_ISBN
1-55752-795-4
Type
conf
DOI
10.1109/CLEO.2005.201866
Filename
1572932
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