Synthesis and Raman studies of wurtzite CdS nanosheets

Mandal, Amrita ; Banerjee, Sourish ; Dhara, Sandip ; Chakravorty, Dipankar (2012) Synthesis and Raman studies of wurtzite CdS nanosheets American Institute of Physics Conference Proceedings, 1447 . p. 231. ISSN 0094-243X

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Official URL: http://scitation.aip.org/content/aip/proceeding/ai...

Related URL: http://dx.doi.org/10.1063/1.4709964

Abstract

CdS nanosheets with thickness of 0.6 nm were grown within interlayer spaces of Na-4 mica. The formation of wurtzite CdS was confirmed by X-ray diffraction and transmission electron microscopy measurements. Raman mode at 390 cm−1, corresponding to wurtzite phase, has been identified in ultrthin CdS with possible changes in the atomic sites with respect to that in the cubic phase. Resonance Raman studies, invoked by strong electron-phonon coupling, show longitudinal optical modes upto fourth order.

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