Synthesis of NbSe2 single-crystalline nanosheet arrays for UV photodetectors

Xin Hu; Enze Xu; Shuguang Xiang; Zhicheng Chen; Xue Zhou; Ning Wang; Hongmei Guo; Limin Ruan; Yongbin Hu; Changrun Li; Dong Liang; Yang Jiang; Guohua Li

doi:10.1039/D0CE01140A

Synthesis of NbSe₂ single-crystalline nanosheet arrays for UV photodetectors†

Xin Hu,^a Enze Xu,^b Shuguang Xiang,^a Zhicheng Chen,^a Xue Zhou,^a Ning Wang,^a Hongmei Guo,^a Limin Ruan,

^a Yongbin Hu,^a Changrun Li,^c Dong Liang,*^a Yang Jiang

*^b and Guohua Li*^a

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* Corresponding authors

^a School of Electronics and Information Engineering, National Engineering Research Center for Agro-Ecological Big Data Analysis & Application, Anhui Province Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized Materials, Anhui University, Hefei, Anhui 230601, P. R. China
E-mail: dliang@ahu.edu.cn, guohuali@ahu.edu.cn

^b School of Materials Science and Engineering, Hefei University of Technology, Hefei, Anhui 230009, P. R. China
E-mail: apjiang@hfut.edu.cn

^c Institutes of Physical Science and Information Technology, Anhui University, Hefei, Anhui 230601, P. R. China

Abstract

High-quality single-crystalline NbSe₂ nanosheet arrays were successfully synthesized by a salt and hydrogen co-assisted CVD method, and the crystal structure and morphology of the material were investigated by XRD, Raman spectroscopy and TEM/HRTEM. The metallic electrical transport properties of the materials were validated by experimental measurement and DFT computation. The NbSe₂ nanosheet array photodetectors showed very high responsivity and external quantum efficiency to UV light.

CrystEngComm

Synthesis of NbSe₂ single-crystalline nanosheet arrays for UV photodetectors†

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Synthesis of NbSe₂ single-crystalline nanosheet arrays for UV photodetectors

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