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Synthesis and optical properties of single-crystalline SnS1−xSex nanobelts

Published online by Cambridge University Press:  04 November 2020

Shengru Wang ,
Xiaofang Lai ,
Bingsheng Du ,
Junhao Ma ,
Peihua Wang  and
Jikang Jian Open the ORCID record for Jikang Jian [Opens in a new window]
Shengru Wang
Affiliation:
School of Physics and Optoelectronic Engineering, Guangdong University of Technology, Guangzhou510006, China
Xiaofang Lai
Affiliation:
School of Physics and Optoelectronic Engineering, Guangdong University of Technology, Guangzhou510006, China
Bingsheng Du
Affiliation:
School of Physics and Optoelectronic Engineering, Guangdong University of Technology, Guangzhou510006, China
Junhao Ma
Affiliation:
School of Physics and Optoelectronic Engineering, Guangdong University of Technology, Guangzhou510006, China
Peihua Wang
Affiliation:
School of Physics and Optoelectronic Engineering, Guangdong University of Technology, Guangzhou510006, China
Jikang Jian*
Affiliation:
School of Physics and Optoelectronic Engineering, Guangdong University of Technology, Guangzhou510006, China
*
a)Author to whom correspondence should be addressed. Electronic mail: [email protected]
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Abstract

In this work, SnS1−xSex ternary nanobelts were synthesized by a facile hydrothermal method without the assistance of surfactants. The structure, morphology, microstructure, compositions, chemical valences, phonon modes, and optical band gaps of the SnS1−xSex nanobelts were characterized in detail. The results indicate that the SnS1−xSex nanobelts have uniform one-dimensional morphology and are single crystals with high crystallinity. Se is incorporated into the SnS lattice to substitute for S-forming ternary SnS1−xSex alloy. With the increase of Se doping concentration, the optical band gaps of the nanobelts gradually decrease from 1.15 to 1.01 eV, confirming the tunable optical property achieved here.

Keywords

SnS1−xSexnanobeltssingle crystalband gap
Type
Technical Article
Information
Powder Diffraction , Volume 35 , Issue 4 , December 2020 , pp. 276 - 281
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Copyright
Copyright © The Author(s), 2020. Published by Cambridge University Press on behalf of International Centre for Diffraction Data

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