期刊
THIN SOLID FILMS
卷 535, 期 -, 页码 78-82出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.tsf.2012.11.043
关键词
Cu2ZnSnS4; Nanocrystals; Solvothermal
A high-yield synthesis route to obtain phase-pure, highly crystalline Cu2ZnSnS4 (CZTS) nanocrystals with controlled Cu/(Zn+Sn) ratio is reported. The material properties were investigated to understand the effect of initial precursor concentrations on the stoichiometry of CZTS nanocrystals. High-resolution transmission electron microscopy (HRTEM) showed that the particle size is less than 10 nm in stoichiometric CZTS. The formation of pure kesterite phase was confirmed by X-ray diffraction, HRTEM, Raman spectroscopy, energy dispersive X-ray spectroscopy and UV-visible absorption spectroscopy. (C) 2012 Elsevier B.V. All rights reserved.
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