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Optical and electrical applications of ZnSxSe1−x nanowires-network with uniform and controllable stoichiometry

Optical and electrical applications of ZnSxSe1−x nanowires-network with uniform and controllable stoichiometry

Authors :
Cheng Sun
Minrui Zheng
Xinhai Zhang
Chorng Haur Sow
Hongwei Liu
Gin Seng Chen
Junpeng Lu
Mathews Nripan
G. Mhaisalkar Subodh
School of Materials Science & Engineering
Source :
Nanoscale. 4:976
Publication Year :
2012
Publisher :
Royal Society of Chemistry (RSC), 2012.

Abstract

Single crystalline ternary ZnS(x)Se(1-x) nanowires with uniform chemical stoichiometry and accurately controllable compositions (0≤x≤ 1) were synthesized through a simple and yet effective one-step approach with a specially designed modification. Energy-gap-tuning via compositional change was achieved for a direct band gap from 2.6 to 3.6 eV. Raman spectroscopy studies revealed typical two-mode behavior indicative of high miscibility in the alloyed compound. Moreover, the enhanced electrical-conductivity and gating effect behavior after the formation of ternary alloy enable their application in nano/micro-field effect transistor devices. In addition, the slow recombination rate in the photo-response process indicates their potential for photoelectric applications.

Details

ISSN :
20403372 and 20403364
Volume :
4
Database :
OpenAIRE
Journal :
Nanoscale
Accession number :
edsair.doi.dedup.....0e56def8d49c43f893efadb176e76d00
Full Text :
https://doi.org/10.1039/c2nr11459c