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Issue 11, 2013
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Optimization of the Cu2ZnSnS4 nanocrystal recipe by means of photoelectrochemical measurements

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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

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Publication details

The article was received on 16 Aug 2012, accepted on 04 Jan 2013 and first published on 07 Jan 2013


Article type: Communication
DOI: 10.1039/C2RA23163H
Citation: RSC Adv., 2013,3, 3512-3515
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    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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