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Temperature Dependence of Photoelectrical Properties of Single Selenium Nanowires

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Author(s): Liao Zhi-Min | Hou Chong | Liu Li-Ping | Yu Da-Peng

Journal: Nanoscale Research Letters
ISSN 1931-7573

Volume: 5;
Issue: 6;
Start page: 926;
Date: 2010;
Original page

Keywords: Se nanowires | Trap states | Photoconductivity | Temperature effects

ABSTRACT
Abstract Influence of temperature on photoconductivity of single Se nanowires has been studied. Time response of photocurrent at both room temperature and low temperature suggests that the trap states play an important role in the photoelectrical process. Further investigations about light intensity dependence on photocurrent at different temperatures reveal that the trap states significantly affect the carrier generation and recombination. This work may be valuable for improving the device optoelectronic performances by understanding the photoelectrical properties.

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Tangokurs Rapperswil-Jona

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