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
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.
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