期刊
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
卷 45, 期 -, 页码 16-20出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physe.2012.05.022
关键词
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资金
- National Natural Science Foundation of China [61106124, 11147152]
- Natural Science Foundation of Guangdong Province [S2011040002130]
- Open Foundation of Institute of Semiconductors in Chinese Academy of Sciences [KLSMS-1107]
- Natural Science Fund of Zhanjiang Normal University [QL1020]
Monodisperse and nearly stoichiometric quaternary Cu2ZnSnS4 (CZTS) nanoparticles were synthesized using a low-cost and high reproducibility method without vacuum system or protective atmosphere. The reaction vessel is a stainless steel autoclave with a Teflon liner under magnetic stirring. The structure, stoichiometric composition and morphology of the as-synthesized CZTS nanoparticles were characterized by means of X-ray diffraction (XRD), Raman spectroscopy, X-ray photoelectron spectra (EDS), scanning electronic microscope (SEM) and high-resolution transmission electron microscopy (HR-TEM). All the above confirmed the purity and composition of CZTS nanoparticles. UV-vis absorption spectroscopy measurement indicated that the band gap of as-synthesized CZTS nanoparticles was 1.54 eV, which was near the optimum value for photovoltaic solar conversion in a single-band-gap device. (c) 2012 Published by Elsevier B.V.
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