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Effect of graphene quantum dots addition on photoelectric performances of CdSSe

机译：石墨烯量子点加入CDSSE光电性能的影响

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摘要

CdSSe/graphene quantum dots (CdSSe/GQDs) composites were prepared by a hydrothermal method in the way of electrostatic interaction. The structure, morphology and material performance were investigated by various physical and chemical analyses. According to the results of X-ray photoelectron spectroscopy, the GQDs were compounded into composites. Moreover, the composites contained C-O-C and C=C functional groups from Fourier transform infrared test results. The obtained CdSSe/GQDs composites demonstrated a superior photoelectric performance in comparison to the pure CdSSe semiconductor. The GQDs contents had a great effect on the photocurrent density and charge transfer resistance of the CdSSe/GQDs composites. As the amount of GQDs increased to 0.15 wt%, the photocurrent response reached 1.31 × 10~(-5) A/cm~2, which was three times higher than that of CdSSe.
机译：通过静电相互作用方式通过水热法制料制备CDSSE /石墨烯量子点（CDSSE / GQDS）复合材料。通过各种物理和化学分析研究了结构，形态和材料性能。根据X射线光电子能谱的结果，将GQD混合到复合材料中。此外，复合材料包含来自傅里叶变换红外测试结果的C-O-C和C = C官能团。获得的CDSSE / GQDS复合材料与纯CDSSE半导体相比，卓越的光电性能。 GQDS含量对CDSSE / GQDS复合材料的光电流密度和电荷传递电阻具有很大的影响。随着GQD的量增加至0.15wt％，光电流响应达到1.31×10〜（-5）A / cm〜2，比CDSSE高三倍。

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  • 来源
    《Materials Science and Engineering》 |2021年第2期|114923.1-114923.8|共8页
  • 作者

    Yuanyuan Lin; Zicong Jiang; Zhaohui Ouyang; Yun Lei; Zhong Ouyang; Jiaxin Hu; Peng Du; Yuncui Wu;

  • 作者单位

    School of Resources and Environmental Engineering Wuhan University of Technology Wuhan 430070 China;

    School of Resources and Environmental Engineering Wuhan University of Technology Wuhan 430070 China;

    Wuhan Qingjiang Chemical Co. LTD Wuhan 430035 China;

    School of Resources and Environmental Engineering Wuhan University of Technology Wuhan 430070 China;

    School of Resources and Environmental Engineering Wuhan University of Technology Wuhan 430070 China;

    School of Resources and Environmental Engineering Wuhan University of Technology Wuhan 430070 China;

    School of Resources and Environmental Engineering Wuhan University of Technology Wuhan 430070 China;

    School of Resources and Environmental Engineering Wuhan University of Technology Wuhan 430070 China;

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  • 正文语种 eng
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  • 关键词

    CdSSe; Graphene quantum dots; Photocurrent density;

    机译：CDSSE;石墨烯量子点;光电流密度;

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