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Investigation of structure and photocatalytic activity on TiO2 hybridized with graphene: compared to CNT case

机译：石墨烯杂化TiO2的结构和光催化活性的研究：与CNT比较

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摘要

The structures of TiO2 hybridized with graphene by three different methods, i.e., thermal reaction, hydrolyzing synthesis and sol-gel method, were studied and their corresponding photocatalytic activities was compared by degrading RhB under UV and visible light irradiation. It was found that the 2-D graphene endowed an excellent morphology and structure for TiO2 hybridization using arbitrary synthesis routes, providing well-dispersed TiO2 particles on the graphene sheets with intimate contact. Their photocatalytic RhB degradation was strongly dependent on original TiO2 properties. However, the TiO2 hybridized with CNT via aforementioned three methods determined that their photocatalytic activity was strongly influenced by interfacial structures.
机译：研究了通过热反应，水解合成和溶胶-凝胶法三种方法与石墨烯杂化的TiO2的结构，并通过在紫外和可见光照射下降解RhB来比较它们相应的光催化活性。发现2-D石墨烯具有使用任意合成路线进行TiO 2杂交的优异的形态和结构，从而在石墨烯片上提供了紧密接触的良好分散的TiO 2颗粒。它们的光催化RhB降解在很大程度上取决于原始的TiO2特性。然而，通过上述三种方法与TiO2杂化的TiO2决定了其光催化活性受界面结构的强烈影响。

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