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Synthesis of Cu₂SnSe₃ nanocrystals for solution processable photovoltaic cells

Lookup NU author(s): Dr Stevin PramanaORCiD

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Abstract

This paper describes the synthesis of ternary chalcogenide Cu 2SnSe3 nanocrystals as an alternative solar absorber material to conventional quaternary CuInxGa1-xSe 2. We used the hot coordination solvent method with hexadecylamine as the capping ligand for the first time for this material system. Using a variety of characterization techniques, such as X-ray diffraction, selected area electron diffraction, convergent beam electron diffraction, and Raman spectroscopy, the nanocrystals were found to be monoclinic Cu 2SnSe3 with an optical energy band gap of 1.3 eV and have a narrow size distribution. These nanocrystals are shown to be photosensitive in the range of wavelengths corresponding to the solar spectrum, which makes them highly promising as alternative photon absorber materials for photovoltaic applications. © 2013 American Chemical Society.

Publication metadata

Author(s): Ahmadi M, Pramana SS, Batabyal SK, Boothroyd C, Mhaisalkar SG, Lam YM

Publication type: Article

Publication status: Published

Journal: Inorganic Chemistry

Year: 2013

Volume: 52

Issue: 4

Pages: 1722-1728

Print publication date: 18/02/2013

Online publication date: 28/01/2013

ISSN (print): 0020-1669

Publisher: American Chemical Society

URL: https://doi.org/10.1021/ic301141w

DOI: 10.1021/ic301141w

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