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High quality wurtzite Cu2ZnSnS4 (W-CZTS) nanocrystals (NCs) could be easily obtained by a simple green one-pot reaction process. Forming mechanism of the nanocrystals was investigated by XRD and Raman characterization. It demonstrated that forming W-CZTS started with nucleation of Cu2S, then Sn4+ diffused into Cu2S to form the Cu2SnS3, finally Zn2+ diffused into Cu2SnS3 to obtain W-CZTS. The optical...
A facile and inexpensive method was developed to synthesize high-quality Cu2ZnSnS4 nanocrystals. The SEM characterization results indicated that the as-synthesized samples were wurtzite CZTS with a particle size of about 10–20nm. The ethylenediamine content and the reaction time had a great influence on the phase composition of the products. The photocatalytic activities comparative experiment results...
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