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|Title:||Synthesis and raman spectra of cupric oxide quantum dots||Authors:||Xu, J.F.
|Issue Date:||1999||Citation:||Xu, J.F.,Ji, W.,Shen, Z.X.,Tang, S.H.,Ye, X.R.,Jia, D.Z.,Xin, X.Q. (1999). Synthesis and raman spectra of cupric oxide quantum dots. Materials Research Society Symposium - Proceedings 571 : 229-234. ScholarBank@NUS Repository.||Abstract:||We have synthesised CuO quantum dots by using a method of one-step solid state reaction under ambient conditions, and investigated them by X-ray diffraction (XRD), transmission electron microscopy (TEM), and Raman scattering technique. The XRD shows that the sample is composed of single phase CuO with a monoclinic structure. The particle size estimated from the x-ray diffraction peaks is about 12 nm, consistent with the TEM result. The Raman spectra show that there are three Raman peaks at 282, 332 and 618 cm-1, which are much broader and shifted several cm-1 to lower frequencies in comparison with those of bulk CuO crystal. The temperature dependence of the Raman spectra in the range 77-873 K is also presented. © 2000 Materials Research Society.||Source Title:||Materials Research Society Symposium - Proceedings||URI:||http://scholarbank.nus.edu.sg/handle/10635/98185||ISSN:||02729172|
|Appears in Collections:||Staff Publications|
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