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Issue 30, 2017

One-dimensional CdSxSe1−x nanoribbons for high-performance rigid and flexible photodetectors

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Abstract

High quality one-dimensional (1D) single crystalline cadmium sulfide selenide (CdSxSe1−x) nanoribbons were synthesized via a one-step metal-catalyzed physical evaporation route. The as-synthesized ternary nanoribbons were employed to construct two terminal contact photodetectors on both rigid (Si/SiO2) substrates and flexible polyethylene terephthalate (PET) substrates. The flexible photodetectors exhibited an ultrahigh current on–off ratio of about 4 × 106, a high responsivity of 1.24 × 103 A W−1, excellent reversible switching stability properties, and a response time and a recovery time of 0.56 s and 0.8 s, respectively. In addition, the as-prepared flexible photodetector displayed excellent mechanical and electrical stability. These results indicate that the 1D CdSxSe1−x nanoribbons are promising candidates for constructing rigid and flexible optoelectronic devices.

Graphical abstract: One-dimensional CdSxSe1−x nanoribbons for high-performance rigid and flexible photodetectors

Supplementary files

Article information


Submitted
07 Apr 2017
Accepted
29 Jun 2017
First published
29 Jun 2017

J. Mater. Chem. C, 2017,5, 7521-7526
Article type
Paper

One-dimensional CdSxSe1−x nanoribbons for high-performance rigid and flexible photodetectors

M. Peng, Z. Wen, M. Shao and X. Sun, J. Mater. Chem. C, 2017, 5, 7521 DOI: 10.1039/C7TC01512G

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