Rationally designed CuSb1-xBixS2 as a promising photovoltaic material: Theoretical and experimental study

Title
Rationally designed CuSb1-xBixS2 as a promising photovoltaic material: Theoretical and experimental study
Authors
이승용박보인제민영오지훈최희채
Keywords
Photovoltaic materials; Solar cells; Mechanochemical method; I-V-VI; Chalcogenide
Issue Date
2020-04
Publisher
Scripta materialia
Citation
VOL 179-112
Abstract
Here we report the miscibility gap of CuSb1-xBixS2 (CABS), a promising photo energy conversion material for band gap engineered solar cells, and evaluate its applicability via a combination of theoretical predictions and experimental verifications. Our ab initio calculations and thermodynamic modeling revealed that the CABS random alloy system has optimal band gap values in the range of 1.1– 1.5 eV when synthesized at room temperature. The CABS system, synthesized by mechanochemical methods, exhibited optical band gap values in very good agreement with theoretical predictions, as well as lowered kinetic energy barriers for enhanced nucleation.
URI
http://pubs.kist.re.kr/handle/201004/70942
ISSN
1359-6462
Appears in Collections:
KIST Publication > Article
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