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Synthesis and Optical Properties of Cu2CoSnS4 Colloidal Quantum Dots

Gillorin, Arnaud and Balocchi, Andréa and Marie, Xavier and Dufour, Pascal and Chane-Ching, Jean-Yves Synthesis and Optical Properties of Cu2CoSnS4 Colloidal Quantum Dots. (2011) Journal of Materials Chemistry, vol. 21 (n° 15). pp. 5615-5619. ISSN 0959-9428

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Official URL: http://dx.doi.org/10.1039/C0JM03964K

Abstract

Monodisperse quaternary chalcopyrite Cu2CoSnS4 colloidal quantum dots have been synthesized by acid peptization of a tailored Cu2CoSnS4 precursor displaying loosely packed, ultrafine primary crystallites. Well-defined peaks shifted to higher energy compared to the Cu2CoSnS4 bulk band gap value were observed on the UV-Vis absorption curve consistent with a quantum confinement behavior. First investigations by room temperature time resolved photoluminescence (TRPL) spectroscopy suggest that the photoluminescence emission does not arise from a donor–acceptor recombination..

Item Type:Article
Additional Information:Thanks to Royal Society of Chemistry editor. The definitive version is available at http://pubs.rsc.org/ The original PDF of the article can be found at Journal of Materials Chemistry website: http://pubs.rsc.org/en/Content/ArticleLanding/2011/JM/c0jm03964k
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT
Université de Toulouse > Institut National des Sciences Appliquées de Toulouse - INSA
Université de Toulouse > Université Paul Sabatier-Toulouse III - UPS
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Deposited By:Denis Faragou

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