Hollow TiO2 spheres with improved visible light photocatalytic activity synergistically enhanced by multi-stimulative: Morphology advantage, carbonate-doping and the induced Ti3+
文献类型：期刊论文
| 作者 | Li, Guoliang; Liao, Chunyang; Jiang, Guibin
|
| 刊名 | JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA
 |
| 出版日期 | 2018-10-01 |
| 卷号 | 72页码:153-165 |
| ISSN号 | 1001-0742 |
| 关键词 | Hollow TiO2 sphere Carbonate Ti3+ Visible light Photo-degradation Synergistic enhancement |
| 文献子类 | Article |
| 英文摘要 | Great efforts have been devoted to improve the photocatalytic activity of TiO2 in the visible light region. Rational design of the external structure and adjustment of intrinsic electronic status by impurity doping are two main effective ways to achieve this purpose. A facile one-pot synthetic approach was developed to prepare C-doped hollow TiO2 spheres, which simultaneously realized these advantages. The synthesized TiO2 exhibits a mesoporous hollow spherical structure composed of fine nanocrystals, leading to high specific surface area (similar to 180 m(2)/g) and versatile porous texture. Carbonate-doping was achieved by a post-thermal treatment at a relatively low temperature (200 degrees C) which makes the absorption edge red-shifted to the visible region of the solar spectrum. Concomitantly, Ti3+ induced by C-doping also functions in improving the visible-light photocatalytic activity by reducing the band gap. There exists a synergistic effect from multiple stimulatives to enhance the photocatalytic effect of the prepared TiO2 catalyst. It is not out of expectation that the as-prepared C-doped hollow TiO2 spheres exhibits an improved photocatalytic activity under visible light irradiation in organic pollutant degradation. (C) 2018 The Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences. Published by Elsevier B.V. |
| 源URL | [http://ir.rcees.ac.cn/handle/311016/40956]  |
| 专题 | 生态环境研究中心_环境化学与生态毒理学国家重点实验室 |
| 推荐引用方式 GB/T 7714 | Li, Guoliang,Liao, Chunyang,Jiang, Guibin. Hollow TiO2 spheres with improved visible light photocatalytic activity synergistically enhanced by multi-stimulative: Morphology advantage, carbonate-doping and the induced Ti3+[J]. JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA,2018,72:153-165. |
| APA | Li, Guoliang,Liao, Chunyang,&Jiang, Guibin.(2018).Hollow TiO2 spheres with improved visible light photocatalytic activity synergistically enhanced by multi-stimulative: Morphology advantage, carbonate-doping and the induced Ti3+.JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA,72,153-165. |
| MLA | Li, Guoliang,et al."Hollow TiO2 spheres with improved visible light photocatalytic activity synergistically enhanced by multi-stimulative: Morphology advantage, carbonate-doping and the induced Ti3+".JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA 72(2018):153-165. |
入库方式： OAI收割
来源：生态环境研究中心
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