Au/BiOBr/石墨烯复合物的制备及其苯酚降解光催化性能

余雪 王亮 冯丽娟 李春虎

引用本文: 余雪, 王亮, 冯丽娟, 李春虎. Au/BiOBr/石墨烯复合物的制备及其苯酚降解光催化性能[J]. 燃料化学学报, 2016, 44(08): 937-942. shu
Citation:  YU Xue, WANG Liang, FENG Li-juan, LI Chun-hu. Preparation of Au/BiOBr/Graphene composite and its photocatalytic performance in phenol degradation under visible light[J]. Journal of Fuel Chemistry and Technology, 2016, 44(08): 937-942. shu

Au/BiOBr/石墨烯复合物的制备及其苯酚降解光催化性能

    通讯作者: 王亮
摘要: 采用水热法和多巴胺还原法制备了BiOBr、BiOBr/石墨烯和Au/BiOBr/石墨烯光催化剂,并利用扫描电镜(SEM)、透射电镜(TEM)、X射线衍射(XRD)、光致发光光谱(PL)和紫外-可见漫反射光谱(UV-vis DRS)等方法表征其形貌、相结构、光谱吸收性质以及组成结构。在可见光照射下,通过对水相中苯酚的降解,考察了Au/BiOBr/石墨烯复合光催化剂活性。结果表明,由于量子效率的提高、带隙能的降低(2.25eV)以及Au表面等离子体共振,复合光催化剂表现出比纯BiOBr更高的光催化活性,Au/BiOBr/石墨烯复合物在180min内对苯酚降解率可达到64%。

English

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  • 收稿日期:  2016-04-12
  • 网络出版日期:  2016-06-22
通讯作者: 陈斌, bchen63@163.com
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