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Synthesis and fluorescence spectrum analysis of CdS nanocrystals

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Abstract

An optimized synthesis route was applied for control the preparation of CdS nanocrystals (NCs) in an aqueous solution. Some key factors which influencing the characters of CdS NCs, such as stabilizers, ratio of reactant etc, were investigated. It was found that the fluorescence (FL) intensity of CdS NCs could be dramatically enhanced by refluxing. The size, shape, crystal structure and the optical properties of CdS NCs were also characterized by TEM, XRD, UV–Vis and FL spectra. The result showed that the well-disperse spheres CdS NCs with 6 nm in diameter were obtained.

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Acknowledgements

This work was financially supported by the National Natural Science Foundation of China (10405034), and the fund of knowledge innovation projects of Chinese Academy of Sciences (KJCXI-SW-08).

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Authors and Affiliations

  1. Shanghai Institute of Applied Physics, Chinese Academy of Sciences, 2019, Jialuo Road, Jiading County, Shanghai, 201800, China

    Wanbang Xu, Yongxian Wang, Ronghui Xu, Sheng Liang, Guoxin Zhang & Duanzhi Yin

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  1. Wanbang Xu
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  2. Yongxian Wang
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  3. Ronghui Xu
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  4. Sheng Liang
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  5. Guoxin Zhang
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  6. Duanzhi Yin
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Correspondence to Yongxian Wang.

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Xu, W., Wang, Y., Xu, R. et al. Synthesis and fluorescence spectrum analysis of CdS nanocrystals. J Mater Sci 42, 6942–6945 (2007). https://doi.org/10.1007/s10853-006-1332-9

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  • DOI: https://doi.org/10.1007/s10853-006-1332-9

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