Cmme-SnS: A Two-dimensional Tin Sulfide Nanosheet

Title
Cmme-SnS: A Two-dimensional Tin Sulfide Nanosheet
Authors
히로시 미즈세키Babu Ram
Keywords
2D materials; SnS
Issue Date
2020-10
Publisher
Journal of materials chemistry. A, Materials for energy and sustainability
Citation
VOL 8, NO 40-21226
Abstract
The great success of graphene has triggered an enormous amount of interest in the search for new 2D materials. These materials open up excellent opportunities for nanoelectronics, optoelectronics andphotocatalysis. Here, we designed a new 2D sheet of tin sulfide with space group Cmme (67), known as Cmme-SnS using first-principles calculations. Cmme-SnS is a semiconductor with an indirect electronic band gap of 2.13 eV between G and M?X directions. It exhibits energetic, dynamical, mechanical, and thermal stability. This material shows direction-dependent transport properties where mobilities are mainly hole-dominated. We also observed significant improvement in the optical absorption in the visible region compared to monolayer SnS2. Interestingly, the well-located band edge positions and the appropriate band gap make this 2D material suitable for visible-light-driven photocatalytic water splitting.
URI
http://pubs.kist.re.kr/handle/201004/71975
ISSN
2050-7488
Appears in Collections:
KIST Publication > Article
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