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Start Over Author "Yuan, Yihui" Journal angewandte chemie international edition
11 results on '"Yuan, Yihui"'

11. Photoinduced Multiple Effects to Enhance Uranium Extraction from Natural Seawater by Black Phosphorus Nanosheets.

Author

Yuan, Yihui, Niu, Biye, Yu, Qiuhan, Guo, Xin, Guo, Zhanhu, Wen, Jun, Liu, Tao, Zhang, Haiquan, and Wang, Ning

Subjects
*URANIUM, *PHOTOTHERMAL effect, *PHOTOELECTRICITY, *PHOSPHORUS, *ADSORPTION capacity, *SEAWATER
Abstract

Based on the photoinduced photothermal, photoelectric, and photocatalytic effects of black phosphorus (BP) nanosheets, a BP‐PAO fiber with enhanced uranium extraction capacity and high antibiofouling activity is fabricated by compositing BP nanosheets into polyacrylamidoxime (PAO). The photothermal effect increases the coordination interaction between UO22+ and the functional amidoxime group, and the photoelectric effect produces the surface positive electric field that exhibits electrostatic attraction to the negative [UO2(CO3)3]4−, which all increase the capacity for uranium adsorption. The photocatalytic effect endows the adsorbent with high antibiofouling activity by producing biotoxic reactive oxygen species. Owing to these three photoinduced effects, the photoinduced BP‐PAO fiber shows a high uranium adsorption capacity of 11.76 mg g−1, which is 1.50 times of the PAO fiber, in bacteria‐containing natural seawater. [ABSTRACT FROM AUTHOR]

Published
2020
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