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Proceedings Paper

Efficient photorefractive polymers sensitized by CdSe nanoparticles
Author(s): Canek Fuentes-Hernandez; Duck Jong Suh; Seth R. Marder; Bernard Kippelen
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Paper Abstract

We report on an efficient and fast hybrid photorefractive polymer sensitized with CdSe quantum dots. The surface of the quantum dots was treated with 4-methylbenzenethiol. This surfactant allows the quantum dots to have an efficient photoinduced charge generation when mixed with a mixture of chromophores. The enhanced photoconductive properties lead to fast grating build-up times of 100 ms and below. In four-wave mixing experiments, overmodulation of the diffraction efficiency was observed at an applied field of 60 V/μm and gain coefficients on the order of 20 cm-1 at moderate fields.

Paper Details

Date Published: 8 December 2003
PDF: 8 pages
Proc. SPIE 5216, Organic Holographic Materials and Applications, (8 December 2003); doi: 10.1117/12.506620
Show Author Affiliations
Canek Fuentes-Hernandez, Optical Sciences Ctr./Univ. of Arizona (United States)
Duck Jong Suh, Optical Sciences Ctr./Univ. of Arizona (United States)
Seth R. Marder, Univ. of Arizona (United States)
Bernard Kippelen, Optical Sciences Ctr./Univ. of Arizona (United States)

Published in SPIE Proceedings Vol. 5216:
Organic Holographic Materials and Applications
Klaus Meerholz, Editor(s)

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