Tunable band gap Cu2ZnSnS4xSe4(1−x)nanocrystals: experimental and first-principles calculations

Tunable band gap Cu2ZnSnS4xSe4(1−x)nanocrystals: experimental and first-principles calculations

Comprehensive characterization of properties and first-principles calculations were first introduced to analyze tunable band gap Cu 2 ZnSnS 4 x Se 4(1− x ) (CZTSSe) nanocrystals. Interesting aspects of composition and morphology were deeply explored. As the ratio of Se/(S + Se) rises, the parabolic...

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Veröffentlicht in:CrystEngComm 2011-01, Vol.13 (7), p.2222-2226
Hauptverfasser: Wei, Hao, Ye, Zichao, Li, Meng, Su, Yanjie, Yang, Zhi, Zhang, Yafei
Format: Artikel
Sprache:eng
Schlagworte:
Energy gaps (solid state)
Mathematical analysis
Morphology
Nanocrystals
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Zusammenfassung:Comprehensive characterization of properties and first-principles calculations were first introduced to analyze tunable band gap Cu 2 ZnSnS 4 x Se 4(1− x ) (CZTSSe) nanocrystals. Interesting aspects of composition and morphology were deeply explored. As the ratio of Se/(S + Se) rises, the parabolic nature of their tunable band gaps from 1.28 to 1.50 eV was revealed and verified. Comprehensive characterization of properties and first-principles calculations were first introduced to analyze tunable band gap Cu 2 ZnSnS 4 x Se 4(1− x ) (CZTSSe) nanocrystals. As the ratio of Se/(S + Se) rises, the parabolic nature of their tunable band gaps from 1.28 to 1.50 eV was revealed and verified.
ISSN:1466-8033
1466-8033
DOI:10.1039/c0ce00779j