Heterostructure of anatase-rutile aggregates boosting the photoreduction of U(VI)
文献类型：期刊论文
| 作者 | Li, Ping1; Wang, Jingjing1,2; Peng, Tong3; Wang, Yun1; Liang, Jianjun1; Pan, Duoqiang2; Fan, Qiaohui1 |
| 刊名 | APPLIED SURFACE SCIENCE
 |
| 出版日期 | 2019-07-31 |
| 卷号 | 483页码:670-676 |
| 关键词 | Uranium Photoreduction Anatase Rutile Alignment |
| ISSN号 | 0169-4332 |
| DOI | 10.1016/j.apsusc.2019.03.330 |
| 英文摘要 | The photoreduction of uranium over TiO2 provides an important pathway to uranium resource utilization and pollution abatement. However, the impact of the TiO2 crystalline type on photocatalytic reduction of U(VI) is still unclear. In this study, the influence of crystal type of TiO2 on U(VI) photoreduction was studied. The results showed that rutile was more reactive for the photocatalytic reduction of U(VI) than anatase. Interestingly, an obvious synergistic effect was observed for mechanically mixed rutile-anatase and the photoconverted UO2 particles preferred to precipitate on rutile surface. The optimum efficiency was achieved for the mixture containing 30 wt% anatase and 70 wt% rutile. The anatase {101} planes tended to match up with rutile {110} facets after the two minerals were mixed. The formation of rutile-anatase aggregates led to the transfer of photo-generated electrons from anatase to rutile. This process could prolong the lifetime of carriers, facilitating U(VI) reduction. |
| WOS关键词 | SURFACE-CATALYZED-HYDROLYSIS ; AQUEOUS-SOLUTION ; TIO2 PARTICLES ; VISIBLE-LIGHT ; HETEROGENEOUS PHOTOCATALYSIS ; MOLECULAR-DYNAMICS ; 001 FACETS ; URANIUM(VI) ; REDUCTION ; REMOVAL |
| 资助项目 | National Natural Science Foundation of China[21601169] ; National Natural Science Foundation of China[21601179] ; National Natural Science Foundation of China[21876172] ; National Natural Science Foundation of China[41573128] ; Natural Science Foundation of Gansu Province[17JR5RA309] ; "100-Talent" program from Chinese Academy of Sciences ; CAS "Light of West China" Program ; Key Laboratory Project of Gansu Province[1309RTSA041] |
| WOS研究方向 | Chemistry ; Materials Science ; Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:000471105000074 |
| 出版者 | ELSEVIER SCIENCE BV |
| 资助机构 | National Natural Science Foundation of China ; National Natural Science Foundation of China ; Natural Science Foundation of Gansu Province ; Natural Science Foundation of Gansu Province ; "100-Talent" program from Chinese Academy of Sciences ; "100-Talent" program from Chinese Academy of Sciences ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Natural Science Foundation of Gansu Province ; Natural Science Foundation of Gansu Province ; "100-Talent" program from Chinese Academy of Sciences ; "100-Talent" program from Chinese Academy of Sciences ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Natural Science Foundation of Gansu Province ; Natural Science Foundation of Gansu Province ; "100-Talent" program from Chinese Academy of Sciences ; "100-Talent" program from Chinese Academy of Sciences ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Natural Science Foundation of Gansu Province ; Natural Science Foundation of Gansu Province ; "100-Talent" program from Chinese Academy of Sciences ; "100-Talent" program from Chinese Academy of Sciences ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province |
| 源URL | [http://ir.iggcas.ac.cn/handle/132A11/92546]  |
| 专题 | 地质与地球物理研究所_兰州油气中心 |
| 通讯作者 | Li, Ping; Fan, Qiaohui |
| 作者单位 | 1.Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Key Lab Petr Resources, Lanzhou 730000, Gansu, Peoples R China 2.Lanzhou Univ, Sch Nucl Sci & Technol, Radiochem Lab, Lanzhou 730000, Gansu, Peoples R China 3.East China Normal Univ, State Key Lab Estuarine & Coastal Res, Shanghai 200062, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li, Ping,Wang, Jingjing,Peng, Tong,et al. Heterostructure of anatase-rutile aggregates boosting the photoreduction of U(VI)[J]. APPLIED SURFACE SCIENCE,2019,483:670-676. |
| APA | Li, Ping.,Wang, Jingjing.,Peng, Tong.,Wang, Yun.,Liang, Jianjun.,...&Fan, Qiaohui.(2019).Heterostructure of anatase-rutile aggregates boosting the photoreduction of U(VI).APPLIED SURFACE SCIENCE,483,670-676. |
| MLA | Li, Ping,et al."Heterostructure of anatase-rutile aggregates boosting the photoreduction of U(VI)".APPLIED SURFACE SCIENCE 483(2019):670-676. |
入库方式： OAI收割
来源：地质与地球物理研究所
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