Operable persistent photoconductivity of Bi2S3 nested nano-networks

Literature Information

Publication Date 2014-11-13
DOI 10.1039/C4CP04520C
Impact Factor 3.676
Authors

Chuan Fei Guo, Jianming Zhang


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Abstract

Recently, hierarchical nanostructures have attracted increasing attention because of their large specific surface area and abundant physical characteristics. Here we propose a hierarchical Bi2S3 nested nano-network (Bi2S3-3N) with an excellent thermally-stable lattice structure, which is prepared by topotactic transformation. Experimental results revealed that for the first time, Bi2S3-3N possesses an interesting nature of the repetitively-operable persistent photoconductivity, which is believed to stem from the releasing of photo-stimulated carriers captured by deep-level traps. This work shows great potential of topotactic transformed Bi2S3 hierarchical nanostructures in practical applications like functional porous nanoarchitectures, bistable optical-switching, photo detectors, memory, etc.

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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
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