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Novel MoS(2)quantum dots as a highly efficient visible-light driven photocatalyst in water remediation

机译:新型MOS(2)量子点作为高效的可见光驱动光催化剂在水处理中

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摘要

A direct and efficient hydrothermal system has been established for the synthesis of MoS(2)quantum dots (QDs). Novel MoS(2)QDs are an excellent potential photocatalysts to enhance photocatalytic response by charge separation under visible light irradiation. The optimum capability of QDs demonstrated the excellent photocatalytic ability for the degradation of organic pollutants. The microstructural, morphological, and optical properties of the MoS(2)QDs are definedviaX-ray diffraction (XRD), SEM, HRTEM, XPS, and UV-Vis absorption spectroscopy techniques. Under visible light irradiation, MoS(2)QDs have great photocatalytic response for the degradation of Rh B that is 20 times higher than those of bulk MoS(2)materials. The QDs possess practically the same catalytic response after 5 recycle runs, which is an evident proof of its stability. This course might pave the route toward creating current visible-light caused QD photocatalyst strategies for the highly valuable degradation of organic pollutants or antibiotics.
机译:已经建立了一种直接高效的水热系统,用于合成MOS(2)量子点(QDS)。新型MOS(2)QD是一种优异的潜在光催化剂,以通过可见光照射下的电荷分离增强光催化反应。 QD的最佳能力证明了有机污染物降解的优异光催化能力。 MOS(2)QD的微观结构,形态学和光学性质是SematerDiax射线衍射(XRD),SEM,HRTEM,XPS和UV-Vis吸收光谱技术。在可见光照射下,MOS(2)QDS具有很大的光催化反应,用于rh B的降解,其比散装MOS(2)材料高20倍。在5次回收运行后,QD具有实际上相同的催化反应,这是其稳定性明显的证明。本课程可能会铺设往建电流可见光导致QD光催化剂策略的QD光催化剂,以实现有机污染物或抗生素的高度宝贵。

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  • 来源
    《RSC Advances》 |2020年第53期|共6页
  • 作者单位

    Natl Kaohsiung Univ Sci &

    Technol Dept Marine Environm Engn Kaohsiung Taiwan;

    Natl Kaohsiung Marine Univ Dept Seafood Sci Kaohsiung 81157 Taiwan;

    Natl Kaohsiung Marine Univ Dept Seafood Sci Kaohsiung 81157 Taiwan;

    Natl Sun Yat Sen Univ Dept Chem 70 Lien Hai Rd Kaohsiung 80424 Taiwan;

    Natl Sun Yat Sen Univ Inst Environm Engn Kaohsiung 804 Taiwan;

    Natl Kaohsiung Univ Sci &

    Technol Dept Marine Environm Engn Kaohsiung Taiwan;

    Natl Kaohsiung Univ Sci &

    Technol Dept Marine Environm Engn Kaohsiung Taiwan;

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  • 正文语种 eng
  • 中图分类 化学;
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