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Issue 32, 2015
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Synthesis of CuInS2 nanocrystals from a molecular complex – characterization of the orthorhombic domain structure

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Abstract

CuInS2 nanocrystals were synthesized by thermal decomposition of the molecular precursor [(Me3P)3Cu(SC2H4S)IniPr2] in the presence of oleylamine in dioctyl phthalate. According to X-ray diffraction patterns, the as-synthesized CuInS2 nanocrystals crystallize in the wurtzite type structure. High-resolution transmission electron images and selected area electron diffraction patterns reveal a nanodomain structure. The individual domains are approximately 5–10 nm in size and characterized by short-range cation ordering, which assuming hypothetical long-range order, corresponds to an orthorhombic superstructure (space group Pmc21, a = 4.09 ± 0.01 Å, b = 7.16 ± 0.02 Å and c = 6.56 ± 0.03 Å). The domains are separated by twin and antiphase boundaries.

Graphical abstract: Synthesis of CuInS2 nanocrystals from a molecular complex – characterization of the orthorhombic domain structure

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Publication details

The article was received on 29 Jan 2015, accepted on 10 May 2015 and first published on 11 May 2015


Article type: Paper
DOI: 10.1039/C5DT00419E
Citation: Dalton Trans., 2015,44, 14227-14234
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    Synthesis of CuInS2 nanocrystals from a molecular complex – characterization of the orthorhombic domain structure

    J. L. Cholula-Díaz, G. Wagner, D. Friedrich, O. Oeckler and H. Krautscheid, Dalton Trans., 2015, 44, 14227
    DOI: 10.1039/C5DT00419E

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