Enhancement of photocatalytic activity of cadmium sulfide for hydrogen evolution by photoetching
文献类型：期刊论文
| 作者 | Lv GX(吕功煊)
|
| 刊名 | International Journal of Hydrogen Energy
 |
| 出版日期 | 2008 |
| 卷号 | 33页码:2007-2013 |
| 关键词 | Photocatalysis Pt/CdS Hydrogen Photoetching Defects |
| ISSN号 | 0360-3199 |
| 通讯作者 | 李越湘 |
| 中文摘要 | CdS semiconductor photocatalyst was synthesized by a solvent thermal process. Platinum (Pt) was loaded on the CdS by photodeposition. The samples were characterized by XRD, BET, TEM, DRS and XPS techniques. The activities of Pt/CdS photocatalysts under visible light were evaluated by hydrogen production using formic acid as electron donor. The photoetching of CdS was monitored by measuring dissolved Cd2þ. The activity of Pt/CdS with 1 h photoetching treatment increases by 126% compared to the initial photocatalyst. However, excess photoetching decreases the photocatalytic activity. A distinct correlation between photoetching and increase of the activity is observed. Oxygen and platinum play an important role in the photoetching process. The photocatalytic activity is enhanced through decreasing agglomeration of the CdS particles to increase the specific surface area, modifying particle morphology, and removing selectively grain boundary defects which are recombination centers of photoinduced electron–hole pairs. |
| 学科主题 | 物理化学 |
| 收录类别 | SCI |
| 资助信息 | National Basic Research Program of China (2003CB214503);the National Nature Science Foundation of China (No. 20763006);the Nature Science Foundation of the Jiangxi Province (No. 0620047) |
| 语种 | 英语 |
| WOS记录号 | WOS:000256606900004 |
| 公开日期 | 2012-11-09 |
| 源URL | [http://210.77.64.217/handle/362003/1879]  |
| 专题 | 兰州化学物理研究所_OSSO国家重点实验室 兰州化学物理研究所_ERC国家工程研究中心 |
| 推荐引用方式 GB/T 7714 | Lv GX. Enhancement of photocatalytic activity of cadmium sulfide for hydrogen evolution by photoetching[J]. International Journal of Hydrogen Energy,2008,33:2007-2013. |
| APA | 吕功煊.(2008).Enhancement of photocatalytic activity of cadmium sulfide for hydrogen evolution by photoetching.International Journal of Hydrogen Energy,33,2007-2013. |
| MLA | 吕功煊."Enhancement of photocatalytic activity of cadmium sulfide for hydrogen evolution by photoetching".International Journal of Hydrogen Energy 33(2008):2007-2013. |
入库方式： OAI收割
来源：兰州化学物理研究所
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