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Recent progress in the preparation and application of quantum dots/graphene composite materials

机译:量子点/石墨烯复合材料的制备和应用中的最新进展

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摘要

Quantum dots/graphene (QDs/GR) composite materials show a distinct synergistic effect between the QDs and graphene, which has aroused vast attention toward their unique characteristics in the last few decades. The separation of electron-hole pairs generated in QDs are enhanced due to the photogating effects in the composites, and then the electrons or holes are rapidly transferred to the surface of the graphene sheets, resulting in excellent optical gain, making them promising materials for applications in optoelectronic and light harvesting devices. In this review, recent research progress on QDs/GR composites is reviewed and discussed, including preparation methods and applications. Numerous self-assembly synthetic methods such as hydrothermal, solvothermal, atomic layer deposition, ion beam sputtering deposition, and other typical synthetic methods like drop-casting, spin-coating, layer by layer, ultrasonication, polymethylmethacrylate (PMMA) aid transfer and electrochemical methods are summarized and discussed. In addition, the applications of QDs/GR composites such as in photodetectors, lithium ion batteries, solar cells, photocatalysis, electrochemiluminescence (ECL) sensors and supercapacitors are described in detail. Finally, the prospects of QDs/GR composites are discussed.
机译:量子点/石墨烯(量子点/ GR)复合材料显示出量子点和石墨烯之间存在明显的协同效应,这在过去几十年中已经引起了广大的关注向着自己独有的特色。电子 - 空穴对中的量子点产生的分离是由于在复合材料中的photogating效果增强,然后将电子或空穴迅速转移到石墨烯片材的表面,从而导致优异的光学增益,使它们有前途的材料的应用在光电子器件和光收集装置。在这次审查中,在量子点/ GR最新研究进展复合材料的审查和讨论,包括制备方法和应用。众多自组装的合成方法,例如水热法,溶剂热,原子层沉积,离子束溅射沉积和其他典型的合成方法,如滴铸,旋涂,逐层,超声,聚甲基丙烯酸甲酯助剂转移和电化学方法总结和讨论。此外,量子点/ GR的复合材料的应用,例如在光电检测器,锂离子电池,太阳能电池,光催化,电化学发光(ECL)的传感器和超级电容器进行详细说明。最后,量子点/ GR复合材料的发展前景进行了讨论。

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  • 来源
    《RSC Advances》 |2017年第76期|共20页
  • 作者单位

    Yunnan Univ Sch Mat Sci &

    Engn Inst Optoelect Informat Mat Kunming 650091 Yunnan Peoples R China;

    Yunnan Univ Sch Mat Sci &

    Engn Inst Optoelect Informat Mat Kunming 650091 Yunnan Peoples R China;

    Yunnan Univ Sch Mat Sci &

    Engn Inst Optoelect Informat Mat Kunming 650091 Yunnan Peoples R China;

    Yunnan Univ Sch Mat Sci &

    Engn Inst Optoelect Informat Mat Kunming 650091 Yunnan Peoples R China;

    Yunnan Univ Sch Mat Sci &

    Engn Inst Optoelect Informat Mat Kunming 650091 Yunnan Peoples R China;

    Yunnan Univ Sch Mat Sci &

    Engn Inst Optoelect Informat Mat Kunming 650091 Yunnan Peoples R China;

    Yunnan Univ Int Joint Res Ctr Optoelect &

    Energy Mat Kunming 650091 Yunnan Peoples R China;

    Yunnan Univ Sch Mat Sci &

    Engn Inst Optoelect Informat Mat Kunming 650091 Yunnan Peoples R China;

    Yunnan Univ Sch Mat Sci &

    Engn Inst Optoelect Informat Mat Kunming 650091 Yunnan Peoples R China;

    Yunnan Univ Sch Mat Sci &

    Engn Inst Optoelect Informat Mat Kunming 650091 Yunnan Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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