A high temperature route to the formation of highly pure quaternary chalcogenide particles

Abstract : A process route to the fabrication of quaternary chalcogenides (Cu2CoSnS4, Cu2ZnSnS4) particles is proposed in molten KSCN at 400 °C. This high temperature route allows the formation of highly pure and highly crystallized quaternary chalcogenides particles. Control of primary crystallites size is demonstrated by altering the chemical homogeneity of the precursors. This method could be exploited to prepare building blocks for the fabrication of low-cost solar cell absorbers.
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M. Benchikri, Oana Zaberca, Rachida El Ouatib, Bernard Durand, Frédéric Oftinger, et al.. A high temperature route to the formation of highly pure quaternary chalcogenide particles. Materials Letters, Elsevier, 2012, vol. 68, pp. 340-343. ⟨10.1016/j.matlet.2011.10.105⟩. ⟨hal-00864099⟩

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