光催化
扫描电子显微镜
表面等离子共振
材料科学
亚甲蓝
可见光谱
纳米颗粒
辐照
光化学
活性炭
核化学
化学工程
催化作用
纳米技术
化学
吸附
复合材料
光电子学
有机化学
物理
核物理学
工程类
作者
Yanhui Ao,Junling Xu,Yinyin Gao,Peifang Wang,Chao Wang,Jun Hou,Jin Qian
标识
DOI:10.1016/j.catcom.2014.04.015
摘要
Ag loaded TiO2 nanoplate array which grew on activated carbon fiber (ACF) was prepared in the present work. The as-prepared samples were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), and UV–Vis diffuse reflectance spectra (DRS). The photocatalytic degradation of methylene blue (MB) was used to investigate the activity of the synthesized samples. Under both UV and visible light irradiation, the Ag loaded samples showed enhanced photocatalytic activity. Besides, the effect of the deposition dosage of Ag nanoparticles on the photocatalytic activity was also investigated. Under UV light irradiation, the Ag nanoparticles acted as electron traps, which enhanced electron–hole separation efficiency of TiO2. Under visible light irradiation, the Ag nanoparticles showed surface plasmon resonance, which induced the visible light responsive photocatalytic activity for the obtained samples.
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