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Introduction of holes into graphene sheets to further enhance graphene-TiO2 photocatalysis activities

机译：将孔引入石墨烯片以进一步增强石墨烯-TiO2光催化剂活性

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摘要

Holey graphene sheets-involved TiO2 samples have been successfully prepared using appropriate H2O2 to etch carbon sheets during hydrothermal preparation of graphene-TiO2 composites. Due to the introduction of holes, the permeation ability of these graphene sheets may increase, which is beneficial for light adsorption by the composites and the interactions between reactants. As a result, holey graphene-TiO2 hybrids exhibit enhanced photocatalytic reduction of nitro-aromatics into the corresponding amino-aromatics compared with that of traditional graphene-involved ones, indicating that holey graphene sheets would be promising graphene derivatives to further optimize the photoactivity of graphene-involved composites.
机译：已经使用适当的H 2 O 2成功地制备了HOLENY石墨烯片的TiO 2样品在石墨烯-TiO2复合材料的水热制剂期间成功地制备了蚀刻碳片。 由于孔的引入，这些石墨烯片的渗透能力可能增加，这对于通过复合材料和反应物之间的相互作用是有益的。 结果，与传统的石墨烯涉及的，对其具有增强的光催化剂将硝基芳烃的硝基丙酸酯减少到相应的氨基 - 芳烃上，表明孔石墨烯片是有前进的石墨烯片，以进一步优化石墨烯的光脱离衍生物 -Involved复合材料。

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  • 来源
    《RSC Advances》 |2016年第87期|共6页
  • 作者

    Xu Chao; He Xiaoping; Wang Chen; Chen Xun; Yuan Rusheng; Dai Wenxin;

  • 作者单位

    Fuzhou Univ Res Inst Photocatalysis State Key Lab Photocatalysis Energy &

    Environm Fuzhou 350002 Peoples R China;

    Fuzhou Univ Res Inst Photocatalysis State Key Lab Photocatalysis Energy &

    Environm Fuzhou 350002 Peoples R China;

    Fuzhou Univ Res Inst Photocatalysis State Key Lab Photocatalysis Energy &

    Environm Fuzhou 350002 Peoples R China;

    Fuzhou Univ Res Inst Photocatalysis State Key Lab Photocatalysis Energy &

    Environm Fuzhou 350002 Peoples R China;

    Fuzhou Univ Res Inst Photocatalysis State Key Lab Photocatalysis Energy &

    Environm Fuzhou 350002 Peoples R China;

    Fuzhou Univ Res Inst Photocatalysis State Key Lab Photocatalysis Energy &

    Environm Fuzhou 350002 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
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