| 高可见光活性的棒状钒酸铋/氧化石墨烯复合光催化剂的制备 |
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| 引用本文： | 戴高鹏,刘金巧,刘素芹,梁英,黄细萍. 高可见光活性的棒状钒酸铋/氧化石墨烯复合光催化剂的制备[J]. 硅酸盐学报, 2012, 40(10): 1456-1460 |
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| 作者姓名： | 戴高鹏 刘金巧 刘素芹 梁英 黄细萍 |
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| 作者单位： | 1. 湖北文理学院化学工程与食品科学学院,湖北襄阳441053 湖北省低维光电材料与器件重点实验室,湖北襄阳441053
2. 湖北文理学院化学工程与食品科学学院,湖北襄阳,441053 |
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| 基金项目： | 湖北省自然科学基金(2011CDA066);湖北省教育厅项目(T201215,Q20122507,Z20102601)资助 |
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| 摘 要： | 通过水热法制备了棒状钒酸铋/氧化石墨烯（BiVO4/GO）复合可见光光催化剂。用扫描电子显微镜、X射线衍射、Raman光谱和紫外–可见漫反射光谱表征了所制备的样品。在可见光（λ≥420nm）光照下光催化降解亚甲基蓝水溶液来检测样品的活性。结果表明：氧化石墨烯的加入有效地提高了BiVO4的可见光光催化活性,含1%（质量分数）的氧化石墨烯的复合光催化剂活性最好。BiVO4/GO活性增强的原因是氧化石墨烯能快速捕获并转移光生电子,有效提高BiVO4光生载流子的分离效率,从而提高其光催化活性。
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| 关 键 词： | 钒酸铋/氧化石墨烯 光催化剂 可见光 |
Fabrication of Rodlike BiVO4/Graphene Oxide Photocatalyst with Highly Visible-Light Photocatalytic Activity |
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| DAI Gaopeng,LIU Jinqiao,LIU Suqin,LIANG Ying,HUANG Xiping. Fabrication of Rodlike BiVO4/Graphene Oxide Photocatalyst with Highly Visible-Light Photocatalytic Activity[J]. Journal of The Chinese Ceramic Society, 2012, 40(10): 1456-1460 |
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| Authors: | DAI Gaopeng LIU Jinqiao LIU Suqin LIANG Ying HUANG Xiping |
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| Affiliation: | 1(1.Department of Chemical Engineering and Food Science,Hubei University of Arts and Science,Xiangyang 441053,Hubei,China;2.Hubei Key Laboratory of Low Dimensional Opotoelectronic Materials and Devices,Xiangyang 441053,Hubei,China) |
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| Abstract: | A rod-like BiVO4/graphene oxide(BiVO4/GO) photocatalyst was prepared by a facile hydrothermal method.The photocatalyst was characterized by scanning electron microscopy,X-ray diffraction,Raman spectroscopy and UV–Vis absorption spectroscopy,respectively.The photocatalytic activity was evaluated by oxidation of methyl blue(MB) under a visible-light irradiation.The results show that the visible-light photocatalytic activity of BiVO4/GO is enhanced in the presence of GO,the photoactivity of BiVO4/GO with GO of 1%(in mass) was greater than that of other samples.The enhanced visible-light photocatalytic activity of BiVO4/GO was attributed to the synergetic effect of strongly visible-light absorption of BiVO4and highly electronic captureablity of graphene oxide. |
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| Keywords: | bismuth orthovanadate/graphene oxide photocatalyst visible light |
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