Jonathan J. Scragg, Tove Ericson, Xavier Fontané, Victor Izquierdo-Roca, Alejandro Pérez-Rodríguez, Tomas Kubart, Marika Edoff and Charlotte Platzer-Björkman Rapid annealing of reactively sputtered precursors for Cu2ZnSnS4 solar cells Progress in Photovoltaics: Research and Applications 22
Cu2ZnSnS4 is a promising thin-film absorber material that presents some interesting challenges in fabrication when compared with Cu(In,Ga)Se2. Here, we demonstrate the development of large Cu2ZnSnS4 grains during rapid annealing of reactively sputtered Cu-Zn-Sn-S precursor films. A metastable precursor phase is proposed to explain structural properties and the high rate of grain growth.
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