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Honeycomb-like TiO2@GO nanocomposites for the photodegradation of oxytetracycline
Materials Letters ( IF 2.7 ) Pub Date : 2018-10-01 , DOI: 10.1016/j.matlet.2018.06.041 Qiang Zhen , Liangchao Gao , Chencen Sun , Hanqin Gong , Pengfei Hu , Shaolei Song , Rong Li
Materials Letters ( IF 2.7 ) Pub Date : 2018-10-01 , DOI: 10.1016/j.matlet.2018.06.041 Qiang Zhen , Liangchao Gao , Chencen Sun , Hanqin Gong , Pengfei Hu , Shaolei Song , Rong Li
Abstract TiO2/RGO composite was synthesized via a low-temperature solvothermal method using graphene oxide (GO) as a precursor of graphene and TiCl4 as precursor of TiO2. A large number of TiO2 nanoflakes composed of nanoparticles are perpendicular to graphene sheet, and cross-linked by facade to self-assemble honeycomb-like spatial configuration. These porous are benefit for the absorption of organic molecules, and composite configuration holds the excellent carrier conductivity of graphene facilitating the rapid separation of photogenerated electron-hole pair. This composite shows high absorption of natural light in almost all bands, displaying better photocatalytic degradation activity for antibiotics OTC under man-made natural light than neat TiO2.
中文翻译:
用于光降解土霉素的蜂窝状 TiO2@GO 纳米复合材料
摘要 以氧化石墨烯 (GO) 作为石墨烯的前驱体,TiCl4 作为 TiO2 的前驱体,通过低温溶剂热法合成了 TiO2/RGO 复合材料。大量由纳米粒子组成的TiO2纳米薄片垂直于石墨烯片,通过立面交联,自组装蜂窝状空间构型。这些多孔有利于有机分子的吸收,复合结构保持石墨烯优异的载流子导电性,促进光生电子-空穴对的快速分离。这种复合材料在几乎所有波段都表现出对自然光的高吸收,在人造自然光下显示出比纯 TiO2 更好的抗生素 OTC 光催化降解活性。
更新日期:2018-10-01
中文翻译:
用于光降解土霉素的蜂窝状 TiO2@GO 纳米复合材料
摘要 以氧化石墨烯 (GO) 作为石墨烯的前驱体,TiCl4 作为 TiO2 的前驱体,通过低温溶剂热法合成了 TiO2/RGO 复合材料。大量由纳米粒子组成的TiO2纳米薄片垂直于石墨烯片,通过立面交联,自组装蜂窝状空间构型。这些多孔有利于有机分子的吸收,复合结构保持石墨烯优异的载流子导电性,促进光生电子-空穴对的快速分离。这种复合材料在几乎所有波段都表现出对自然光的高吸收,在人造自然光下显示出比纯 TiO2 更好的抗生素 OTC 光催化降解活性。