Issue 11, 2013

Optimization of the Cu2ZnSnS4nanocrystal recipe by means of photoelectrochemical measurements

Abstract

Cu2ZnSnS4 nanocrystals (NCs) were synthesized via a low-cost one-pot method. The recipe was optimized by using photoelectrochemical measurements of NC films in contact with a methyl viologen solution. Non-stoichiometric copper-rich and zinc-poor starting molar ratios provided the best overall photovoltaic effect. Other analytical techniques were used to further identify the NC composition, topography and crystallinity. The oxidation states were found to be 1+, 2+, 4+ and 2− for copper, zinc, tin and sulphur, respectively.

Graphical abstract: Optimization of the Cu2ZnSnS4 nanocrystal recipe by means of photoelectrochemical measurements

Supplementary files

Article information

Article type
Communication
Submitted
16 Aug 2012
Accepted
04 Jan 2013
First published
07 Jan 2013

RSC Adv., 2013,3, 3512-3515

Optimization of the Cu2ZnSnS4 nanocrystal recipe by means of photoelectrochemical measurements

D. Vaccarello, A. Tapley and Z. Ding, RSC Adv., 2013, 3, 3512 DOI: 10.1039/C2RA23163H

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