Cover Page September-2012, Current Issue-Advanced Materials Letters

Advanced Materials Letters

Volume 3, Issue 4, Pages 340-344, September 2012, Current Issue
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Synthesis Of CdSe Nanoparticles By Solvothermal Route: Structural, Optical And Spectroscopic Properties

Punita Srivastava and Kedar Singh*

Department of Physics, Faculty of Science, Banaras Hindu University, Varanasi 221005, India

Adv. Mater. Lett., 2012, Current Issue, 3 (4), pp 340-344

DOI: 10.5185/amlett.2012.5341

Publication Date (Web): Jul 22, 2012

E-mail: kedarbhp@rediffmail.com

Abstract

We have developed successfully the synthesis of highly yielded CdSe nanoparticles (NPs) at 60 0C by solvothermal route in which the cadmium and selenium precursors have been dissolved in deionized water, ethylene glycol and hydrazine hydrate. This route is very facile, inexpensive and less hazardous and ensures almost complete yield of the precursors. The powder product was well characterized by powder X- ray diffraction (XRD), Transmission electron microscopy (TEM), Scanning electron microscopy (SEM), UV-Vis spectroscopy, Raman spectroscopy and Fourier transform infrared spectroscopy (FTIR) .It is investigated that as synthesized powder has a hexagonal (Wurtzite) structure of CdSe with diameters of the particles are in the range of 10-15 nm. The formation mechanism is also discussed.

Keywords

Nanoparticles, chemical synthesis, electron microscopy, X-ray diffraction, optical properties

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