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Issue 65, 2018
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CuInS2–In2Se3 quantum dots – a novel material via a green synthesis approach

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Abstract

Novel CuInS2–In2Se3 QDs were prepared by a two stage organometallic colloidal synthesis procedure. A layer of indium selenide was grown over the CuInS2 QD core, under high temperature in the presence of oleylamine. The optical properties of the nanostructures grown were studied using UV-Vis absorption spectroscopy and the band gap obtained was in line with the cyclic voltammetry (CV) results. The elemental composition was analysed using energy dispersive X-ray spectroscopy (EDAX), inductive coupled plasma-atomic emission spectroscopy (ICP-AES) and X-ray photoelectron spectroscopy (XPS). The structural properties were investigated using X-ray diffraction (XRD) and high resolution transmission electron microscopy (HRTEM). The TEM images showed spherical nanostructures of size about 4.8 nm with well-defined lattice planes which were also evident from selected area electron diffraction (SAED) patterns. The XRD pattern indicated a tetragonal chalcopyrite crystal structure for the nanostructures.

Graphical abstract: CuInS2–In2Se3 quantum dots – a novel material via a green synthesis approach

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Publication details

The article was received on 04 Sep 2018, accepted on 29 Oct 2018 and first published on 05 Nov 2018


Article type: Paper
DOI: 10.1039/C8RA07389A
Citation: RSC Adv., 2018,8, 37146-37150
  • Open access: Creative Commons BY-NC license
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    CuInS2–In2Se3 quantum dots – a novel material via a green synthesis approach

    N. J. Simi, L. Kuriakose, R. Vinayakan and V. V. Ison, RSC Adv., 2018, 8, 37146
    DOI: 10.1039/C8RA07389A

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