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In this work,(1-x)CdO-xSnO2 nanocomposites (≤ 0.15) have been synthesized via hydrothermal route.The structural study reveals that CdO nanostructures possess crystalline phase and cubic structure.The CdO-SnO2 nanocomposites possess both cubic and orthorhombic structure with good crystallinity.The crystallite size in the nanocomposites was found to be in the range of 9.6-19.6 nm.Field emission scanning electronic microscopy and highresolution tunnelling microscopy analysis confirm the presence of both cubic and orthorhombic structures which is also confirmed from X-ray diffraction studies.Fourier transform infrared spectroscopy (FTIR) studies confirm that CdO-SnO2 nanocomposites possess the characteristics band of both CdO and SnO2 nanostructures.The UV-visible absorption studies confirm that the optical absorption band in CdO-SnO2 nanocomposites possesses both blue and red shift as compared to that of CdO nanostructures.Photoluminescence spectroscopy studies reveal the appearance of strong emission peak at 513,469 and 369 nm corresponding to green,blue and violet emission spectrum,respectively,in CdO-SnO2 nanocomposites.The FTIR studies confirm the presence of hydroxyl and water functional group due to atmospheric water vapours and chemical bonding in CdO and CdO-SnO2 nanocomposites.Raman spectroscopy confirms the presence of Raman bands of both CdO and SnO2 phases in the CdO-SnO2 nanocomposites.
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篇名 Synthesis and Characterization of CdO-SnO2 Nanocomposites Prepared by Hydrothermal Method
来源期刊 金属学报(英文版) 学科
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年,卷(期) 2018,(3) 所属期刊栏目
研究方向 页码范围 254-262
页数 9页 分类号
字数 语种 英文
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金属学报(英文版)
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1006-7191
21-1361/TG
16开
沈阳文化路72号
1988
eng
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2302
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