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Received:September 30, 2015
Received:September 30, 2015
中文摘要: 采用二次凝胶-溶胶法和水热法合成了具有光催化效应的GNR-TiO2/g-C3N4异质结构，并对其性能进行了研究.研究结果表明：GNR-TiO2/g-C3N4异质结构表现出强的光催化活性，并在可见光照射下，对有机物亚甲基蓝有良好的催化效果.这主要归因于石墨烯纳米带作为载体，不仅增加了异质结构的比表面积，还使空穴-电子对的再结合率降低.
中文关键词: 二次凝胶-溶胶法 GNR-TiO2/g-C3N4异质结构 可见光 光催化性能
Abstract:An efficient strategy for synthesis of GNR-TiO2/g-C3N4 heterostructure photocatalyst is demonstrated using a combining sol-gel and hydrothermal method and its chemical properties are studied.The GNR-TiO2/g-C3N4 heterostructure shows enhanced photocatalytic activity for degradation of MB under visible light irradiation.The increased photocatalytic activity of GNR-TiO2/g-C3N4 composites can be attributed to forming a larger number of interfaces,separating the electron-hole pairs more efficiently.
keywords: second sol-gel method GNR-TiO2/g-C3N4 heterojunction visible light photocatalytic activity
文章编号：20160405 中图分类号： 文献标志码：
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