Zn:In(OH)(y)S-z Solid Solution Nanoplates: Synthesis, Characterization, and Photocatalytic Mechanism
文献类型：期刊论文
| 作者 | Wong, Kin-Hang; Zhang, Li-Sha; Zhang, Die-Qing; Hu, Chun; Yu, Jimmy C.; Chan, Chiu-Yeung; Wong, Po-Keung |
| 刊名 | ENVIRONMENTAL SCIENCE & TECHNOLOGY
 |
| 出版日期 | 2009-10-15 |
| 卷号 | 43期号:20页码:7883-7888 |
| 英文摘要 | Zn:In(OH)(y)S-z solid solution nanoplates (Zn:In(OH)(y)S-z-SSNs) with uniform nanoparticle size were synthesized through a simple sodium dodecyl sulfate (SOS)-assisted hydrothermal process. To achieve better photoabsorption in the visible light K) region and suitable redox potentials of the Zn-In(OH)(y)S-z solid solution (Zn:In(OH)(y)S-z-SS), the substitution of S2- for OH- was carried out by adjusting the concentration of thiourea and SOS in the synthesis solution, while the doping of Zn2+ was realized by adjusting Zn2+ concentration. In addition, the morphology and crystallinity of Zn:In(OH)(y)S-z-SSs were also controlled by the concentration of SOS. Using Rhodamine B (RhB) as a target pollutant, the photocatalytic performance of these Zn:In(OH)(y)S-z-SSs with different components, diameter sizes, and morphologies was investigated. Remarkably, Zn:In(OH)(y)S-z-SSNs prepared with atomic ratio of Zn2+ and In3+ of 0.6, 45 mmol L-1 thiourea, and 26 mmol L- 1 SOS, have the highest visible-light-driven (VLD) photocatalytic activity, exceeding 95% for the degradation of RhB after 60 min. The investigation of photocatalytic mechanism further indicates that the holes, superoxide radical (center dot O-2(-)) and surficial hydroxyl radical (center dot OHs) are the major reactive species for the photocatalytic reactions. More importantly, for the first time, a simple and versatile strategy is developed to confirm the fact that direct contact between the Zn:In(OH)(y)S-z-SS and RhB is the prerequisite for the photocatalytic degradation of RhB. Therefore, we report not only the preparation of a novel and effective VL-driven photocatalyst, but also provide mechanistic insight into semiconductor photocatalysis. |
| WOS记录号 | WOS:000270594900049 |
| 源URL | [http://ir.rcees.ac.cn/handle/311016/21813]  |
| 专题 | 生态环境研究中心_中国科学院环境生物技术重点实验室 |
| 推荐引用方式 GB/T 7714 | Wong, Kin-Hang,Zhang, Li-Sha,Zhang, Die-Qing,et al. Zn:In(OH)(y)S-z Solid Solution Nanoplates: Synthesis, Characterization, and Photocatalytic Mechanism[J]. ENVIRONMENTAL SCIENCE & TECHNOLOGY,2009,43(20):7883-7888. |
| APA | Wong, Kin-Hang.,Zhang, Li-Sha.,Zhang, Die-Qing.,Hu, Chun.,Yu, Jimmy C..,...&Wong, Po-Keung.(2009).Zn:In(OH)(y)S-z Solid Solution Nanoplates: Synthesis, Characterization, and Photocatalytic Mechanism.ENVIRONMENTAL SCIENCE & TECHNOLOGY,43(20),7883-7888. |
| MLA | Wong, Kin-Hang,et al."Zn:In(OH)(y)S-z Solid Solution Nanoplates: Synthesis, Characterization, and Photocatalytic Mechanism".ENVIRONMENTAL SCIENCE & TECHNOLOGY 43.20(2009):7883-7888. |
入库方式： OAI收割
来源：生态环境研究中心
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。