朱冬韵, 廖高祖*, 唐仲豪, 李来胜. 二氧化钛/石墨烯光催化降解草酸的研究[J]. 华南师范大学学报(自然科学版), 2015, 47(2): 67-71. doi: 10.6054/j.jscnun.2014.12.020
引用本文: 朱冬韵, 廖高祖*, 唐仲豪, 李来胜. 二氧化钛/石墨烯光催化降解草酸的研究[J]. 华南师范大学学报(自然科学版), 2015, 47(2): 67-71. doi: 10.6054/j.jscnun.2014.12.020
Zhu Dongyun, Liao Gaozu*, Tang Zhonghao, Li Laisheng. Photocatalytic Degradation of Oxalic Acid by TiO_2/Graphene Composite[J]. Journal of South China Normal University (Natural Science Edition), 2015, 47(2): 67-71. doi: 10.6054/j.jscnun.2014.12.020
Citation: Zhu Dongyun, Liao Gaozu*, Tang Zhonghao, Li Laisheng. Photocatalytic Degradation of Oxalic Acid by TiO_2/Graphene Composite[J]. Journal of South China Normal University (Natural Science Edition), 2015, 47(2): 67-71. doi: 10.6054/j.jscnun.2014.12.020

二氧化钛/石墨烯光催化降解草酸的研究

Photocatalytic Degradation of Oxalic Acid by TiO_2/Graphene Composite

  • 摘要: 以钛酸四丁酯和氧化石墨烯为原料,采用水热法制备了二氧化钛/石墨烯(TiO_2/RGO)复合光催化剂,用XRD、TEM、UVVis DRS对光催化剂进行了表征. 研究了其在紫外光和模拟太阳光条件下对草酸的光催化降解性能,结果表明,与TiO_2相比,TiO_2/RGO在紫外光条件下,反应10 min后对草酸的光催化降解率增加了2.97%,这主要是因为石墨烯为TiO_2提供了电子转移场所,提高了电子-空穴的分离效率;而在模拟太阳光条件下,反应10 min后TiO_2/RGO对草酸的光催化降解率增加了9.05

     

    Abstract: A TiO_2/Graphene (TiO_2/RGO) composite was synthesized by a hydrothermal method using graphite oxide and tetrabutyl. The crystal phase and morphology were characterized by Xray diffraction, transmission electron microscope, and UVVis diffuse reflectan

     

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