Journal
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
Volume 329, Issue 2, Pages 1125-1133Publisher
SPRINGER
DOI: 10.1007/s10967-021-07784-y
Keywords
g-C3N4 (GCN); Photocatalytic reduction; ZnS particles; UO22+; Environment remediation
Funding
- National Natural Science Foundation of China [21866004, 21866003, 22066003, 22076022, 21906019]
- Defense Industrial Technology Development Program [JCKY2019401C004]
- Open Fund of Jiangxi Province Key Laboratory of Synthetic Chemistry [JXSC202012]
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The ZnS@ g-C3N4 (ZSGCN) heterojunctions complexes compound as catalysts show promising photocatalytic reduction activity for UO22+ in radioactive wastewater, with ZSGCN-5 presenting the optimal performance.
The photocatalytic reduction of soluble UO22+ from radioactive wastewater is becoming an effective method to reduce radioactive pollution, while available catalysts are considerable limitation. Herein, the ZnS@ g-C3N4 (ZSGCN) heterojunctions complexes were compounded as catalysts to reduce UO22+. The results from TEM, XRD, XPS, EIS, DRS and PL showed that the ZnS nanoparticles combined with graphite carbon nitride (GCN), which is the construction of heterojunctions broadened the absorption range of sunlight. The ZSGCN-5 presented the optimal photocatalytic reduction activity to UO22+, which was 4.34 times than that of pristine GCN. The ZSGCN-5 heterojunction becomes a promising photocatalyst for radioactive environment remediation.
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