Ultrafast Photoassisted Capture of Uranium over Cu2O/CuO Heterojunction Enabled by Rapid Interfacial Electron Transfer DOI

Huan‐Huan Liu,

Hongliang Guo,

Daming Huang

et al.

ACS Materials Letters, Journal Year: 2024, Volume and Issue: 7(1), P. 295 - 303

Published: Dec. 19, 2024

Photoassisted capture of uranium provides a promising strategy for the sustainable utilization nuclear energy. Herein, we constructed Cu2O/CuO heterojunctions in situ by wet-etching method, showing ultrafast reaction kinetics and photocatalytic activity U(VI) reduction. In 8 ppm uranium-containing wastewater, exhibited remarkable extraction efficiency 94.6% within 10 min under irradiation, which exceeded most recently reported photocatalysts. The rate constant was 5.8-time larger than that pure Cu2O. A mechanism study indicated photogenerated electrons reduced CuO species created oxygen vacancy during photocatalysis process, strengthened binding UO22+. rapid electron transfer over heterojunction interfaces enhanced UO22+ strength formed accounted kinetics.

Language: Английский

A min review of bismuth molybdate based photocatalysts for pollutant degradation DOI
Donghui Hu,

Zhenlong Zhao,

Yuhang Zhang

et al.

Journal of Solid State Chemistry, Journal Year: 2025, Volume and Issue: 348, P. 125391 - 125391

Published: April 23, 2025

Language: Английский

Citations

0
Ultrafast Photoassisted Capture of Uranium over Cu2O/CuO Heterojunction Enabled by Rapid Interfacial Electron Transfer DOI

Huan‐Huan Liu,

Hongliang Guo,

Daming Huang

et al.

ACS Materials Letters, Journal Year: 2024, Volume and Issue: 7(1), P. 295 - 303

Published: Dec. 19, 2024

Photoassisted capture of uranium provides a promising strategy for the sustainable utilization nuclear energy. Herein, we constructed Cu2O/CuO heterojunctions in situ by wet-etching method, showing ultrafast reaction kinetics and photocatalytic activity U(VI) reduction. In 8 ppm uranium-containing wastewater, exhibited remarkable extraction efficiency 94.6% within 10 min under irradiation, which exceeded most recently reported photocatalysts. The rate constant was 5.8-time larger than that pure Cu2O. A mechanism study indicated photogenerated electrons reduced CuO species created oxygen vacancy during photocatalysis process, strengthened binding UO22+. rapid electron transfer over heterojunction interfaces enhanced UO22+ strength formed accounted kinetics.

Language: Английский

Citations

0