Gamma-Ray assisted synthesis of Ni3Se2 nanoparticles stabilized by natural polymer

Huang, N.M. and Radiman, S. and Lim, H.N. and Yeong, S.K. and Khiew, P.S. and Chiu, W.S. and Saeed, G.H.M. and Nadarajah, K. (2009) Gamma-Ray assisted synthesis of Ni3Se2 nanoparticles stabilized by natural polymer. Chemical Engineering Journal, 147 (2-3). pp. 399-404. ISSN 1385-8947,

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Nickel selenide nanoparticles were synthesized using gamma-ray irradiation in the presence of natural polymer, chitosan as capping agent. Chitosan is the deacetylated product of chitin, the second most abundant organic resources after cellulose. The nanoparticles were produced using nickel acetate and selenium dioxide and the as-prepared chitosan stabilized nanoparticles were soluble and stable in aqueous solution. The morphology and structure of the nickel selenide nanoparticles were characterized using transmission electron microscope (TEM) and X-ray diffraction (XRD). Optical properties of the nanoparticles were characterized by UV-Visible spectrophotometer and photoluminescent spectroscopy. The XRD result shows that the nickel selenide conformed to Ni3Se2 With crystal structure of rhombohedral. The absorption spectrum of the Ni3Se2 nanoparticles covered from around 300-600 nm which makes it a potential photovoltaic and optoelectronic device material. In this report, gamma-ray irradiation provided a "green", simple and clean route for the synthesis of chitosan stabilized Ni3Se2 nanoparticles. The size and size distribution of the nickel selenide nanoparticles were influenced by the concentration of chitosan and absorbed dose of gamma-ray irradiation. (C) 2008 Elsevier B.V. All rights reserved.

Item Type: Article
Additional Information: Huang, N. M. Radiman, S. Lim, H. N. Yeong, S. K. Khiew, P. S. Chiu, W. S. Saeed, G. H. Mohamed Nadarajah, K.
Uncontrolled Keywords: Nickel selenides gamma-ray irradiation electron microscope x-ray diffraction nanoparticles chitosan capped cds nanoparticles selenide thin-films quantum dots silver nanoparticles luminescent probes solvothermal route green synthesis low-temperature irradiation nickel
Subjects: Q Science > Q Science (General)
Q Science > QC Physics
Divisions: Faculty of Science > Department of Physics
Depositing User: miss munirah saadom
Date Deposited: 27 Mar 2013 07:48
Last Modified: 27 Mar 2013 07:48

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