Document Detail


Composition and Bandgap Tunable Synthesis of Wurtzite-Derived Cu2ZnSn(S1-xSex)4 Nanocrystals: Theoretical and Experimental Insights.
MedLine Citation:
PMID:  23350525     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The wurtzite-derived Cu2ZnSn(S1-xSex)4 alloys are studied for the first time through combining the theoretical calculations and the experimental characterizations. Ab initio calculations predict that wurtzite-derived Cu2ZnSnS4 and Cu2ZnSnSe4 are highly miscible, and the bandgaps of the mixed-anion alloys can be linearly tuned from 1.0 to 1.5 eV through changing the composition parameter x from 0 to 1. A synthetic procedure for the wurtzite-derived Cu2ZnSn(S1-x Sex)4 alloy nanocrystals with tunable compositions has been developed. A linear tunable bandgap range of 0.5 eV is observed in the synthesized alloy nanocrystals, which shows good agreement with the ab initio calculations.
Authors:
Feng-Jia Fan; Liang Wu; Ming Gong; Guang Yao Liu; Yi-Xiu Wang; Shu-Hong Yu; Shi You Chen; Lin-Wang Wang; Xingao Gong
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-27
Journal Detail:
Title:  ACS nano     Volume:  -     ISSN:  1936-086X     ISO Abbreviation:  ACS Nano     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-28     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101313589     Medline TA:  ACS Nano     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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