We report on efficient and fast hybrid photorefractive polymer sensitized with cadmium selenide (CdSe) quantum dots. The surface of the quantum dots was treated with 4-methylbenzenethiol. This surfactant is responsible for efficient photoinduced charge generation in the composite, leading to fast grating build-up times of 100ms and below. Overmodulation of the diffraction efficiency was observed at an applied field of 60V∕μm.
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Fuentes‐Hernandez et al. (2004) studied this question.
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