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Raman Studies of Ball Mill Synthesized Bulk Cu2ZnSnSe4

Tiwari, Kunal J and Kumar, Prem D S and Mallik, Ramesh Chandra and Malar, P (2017) Raman Studies of Ball Mill Synthesized Bulk Cu2ZnSnSe4. In: 61st DAE-Solid State Physics Symposium, DEC 26-30, 2016, KIIT Univ, Bhubaneswar, INDIA.

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Official URL: http://doi.org/10.1063/1.4980424

Abstract

Kesterite with chemical formula Cu2ZnSnSe4 (CZTSe) has been synthesized by ball milling followed by annealing and hot pressing. Mechanochemical synthesis was carried out in the presence of process control agent namely toluene under two different milling conditions. Structural and phase evolution during different stages of the synthesis was studied with X-ray diffraction (XRD) and Raman spectroscopy. Near resonant Raman spectrum was obtained by making use of laser wavelength of 488 nm to resolve the presence of secondary ZnSe which otherwise is difficult to conclude with XRD alone. Deconvoluted Raman spectrum confirmed the presence of CZTSe along with secondary phases Cu2SnSe3 (CTSe) and ZnSe. This inference was further confirmed by electron probe micro analysis (EPMA) and wavelength dispersive spectroscopy (WDS) studies.

Item Type: Conference Proceedings
Additional Information: copy right for this article belongs to the AMER INST PHYSICS, 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Depositing User: Id for Latest eprints
Date Deposited: 11 Nov 2017 05:44
Last Modified: 11 Nov 2017 05:44
URI: http://eprints.iisc.ac.in/id/eprint/58239

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