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Molecules 2019, 24(6), 1031; https://doi.org/10.3390/molecules24061031

Mechanochemical Synthesis and Characterization of CuInS2/ZnS Nanocrystals

1
Institute of Geotechnics, Slovak Academy of Sciences, 04001 Košice, Slovakia
2
Advanced Materials Department, Jožef Stefan Institute, Ljubljana 1000, Slovenia
3
Institute of Electronics and Photonics, Slovak University of Technology, 81219 Bratislava, Slovakia
*
Author to whom correspondence should be addressed.
Received: 22 January 2019 / Revised: 9 March 2019 / Accepted: 11 March 2019 / Published: 15 March 2019
(This article belongs to the Special Issue Recent Development of Mechanochemical Synthesis)
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Abstract

In this study, CuInS2/ZnS nanocrystals were synthesized by a two-step mechanochemical synthesis for the first time. In the first step, tetragonal CuInS2 was prepared from copper, indium and sulphur precursors. The obtained CuInS2 was further co-milled with zinc acetate dihydrate and sodium sulphide nonahydrate as precursors for cubic ZnS. Structural characterization of the CuInS2/ZnS nanocrystals was performed by X-ray diffraction analysis, Raman spectroscopy and transmission electron microscopy. Specific surface area of the product (86 m2/g) was measured by low-temperature nitrogen adsorption method and zeta potential of the particles dispersed in water was calculated from measurements of their electrophoretic mobility. Optical properties of the nanocrystals were determined using photoluminescence emission spectroscopy. View Full-Text
Keywords: CuInS2/ZnS; nanocrystals; mechanochemical synthesis; structural properties; surface properties; optical properties CuInS2/ZnS; nanocrystals; mechanochemical synthesis; structural properties; surface properties; optical properties
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Dutková, E.; Daneu, N.; Lukáčová Bujňáková, Z.; Baláž, M.; Kováč, J.; Kováč, J., Jr.; Baláž, P. Mechanochemical Synthesis and Characterization of CuInS2/ZnS Nanocrystals. Molecules 2019, 24, 1031.

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