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Colloidal Cu 2 ZnSnS 4 nanocrystals generated by a facile route using ethylxanthate molecular precursors
Author(s) -
Liu Yufeng,
Ge Meiying,
Yue Yang,
Sun Yan,
Wu Yizheng,
Chen Xin,
Dai Ning
Publication year - 2011
Publication title -
physica status solidi (rrl) – rapid research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.786
H-Index - 68
eISSN - 1862-6270
pISSN - 1862-6254
DOI - 10.1002/pssr.201004528
Subject(s) - czts , nanocrystal , homogeneous , zinc , x ray photoelectron spectroscopy , copper , colloid , chemical engineering , materials science , chemistry , nanotechnology , organic chemistry , thin film , physics , engineering , thermodynamics
We have demonstrated a flexible method for preparing Cu 2 ZnSnS 4 (CZTS) nanocrystals by use of zinc ethylxanthate (Zn(ex) 2 ) and copper ethylxanthate (Cu(ex) 2 ). TEM, SEM, XRD, UV–vis, EDS, XPS and TG‐DTA indicate that the CZTS nanocrystals have been successfully synthesized. As air‐stable molecular precursors, Zn(ex) 2 and Cu(ex) 2 can optimize the synthesis of quaternary CZTS nanocrystals because Cu(ex) 2 and Zn(ex) 2 facilitate the formation of homogeneous precursor solutions including all precursors and then for the flexible production of CZTS nanocrystals in homogeneous reaction solutions. (© 2011 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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