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Title: Alloyed (ZnS)x(CuInS2)1-x semiconductor nanorods: Synthesis, bandgap tuning and photocatalytic properties
Authors: Ye, C.
Regulacio, M.D.
Lim, S.H.
Xu, Q.-H. 
Han, M.-Y. 
Keywords: alloys
Issue Date: 3-Sep-2012
Citation: Ye, C., Regulacio, M.D., Lim, S.H., Xu, Q.-H., Han, M.-Y. (2012-09-03). Alloyed (ZnS)x(CuInS2)1-x semiconductor nanorods: Synthesis, bandgap tuning and photocatalytic properties. Chemistry - A European Journal 18 (36) : 11258-11263. ScholarBank@NUS Repository.
Abstract: Rod-like nanocrystals of the semiconductor alloy (ZnS) x(CuInS2)1-x (ZCIS) have been colloidally prepared by using a one-pot non-injection-based synthetic strategy. The ZCIS nanorods crystallize in the hexagonal wurtzite structure and display preferential growth in the direction of the c axis. The bandgap of these quarternary alloyed nanorods can be conveniently tuned by varying the ratio of ZnS to CuInS2. A non-linear relationship between the bandgap and the alloy composition is observed. The ZCIS nanorods are found to exhibit promising photocatalytic behaviour in visible-light-driven degradation of Rhodamine B. Tuning the bandgap: Colloidal nanorods of the alloyed semiconductor (ZnS) x(CuInS2)1-x (ZCIS) were prepared by using a facile injection-free synthetic approach. A nonlinear dependence of the semiconductor bandgap on the alloy composition was observed. These alloyed nanorods can be effectively utilized as photocatalysts in visible-light-driven dye degradation (see figure). Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Source Title: Chemistry - A European Journal
ISSN: 09476539
DOI: 10.1002/chem.201201626
Appears in Collections:Staff Publications

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