Synergistic enhancement of nitrogen vacancies and inverse opal structure in g-C3N4 for efficient photocatalytic uranium extraction

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成果类型：

期刊论文

作者：

Chen, Lijie;Zhang, Weilin;Zhao, Xinyu;Zhao, Guanghui;Li, Le*;...

通讯作者：

Li, Le;Dai, ZR

作者机构：

[Li, Le; Dai, Zhongran; Chen, Lijie; Zhao, Guanghui; Zhao, Xinyu] Univ South China, Key Discipline Lab Natl Def Biotechnol Uranium Min, Hengyang 421001, Peoples R China.

[Li, Le; Zhang, Weilin] Univ South China, Coll Publ Hlth, Hengyang Med Sch, Hengyang 421001, Hunan, Peoples R China.

通讯机构：

[Li, L; Dai, ZR ] U

Univ South China, Key Discipline Lab Natl Def Biotechnol Uranium Min, Hengyang 421001, Peoples R China.

语种：

英文

关键词：

Uranium(VI);Extraction;Nitrogen Vacancy;Photocatalysis;Uranium(VI);Extraction;Nitrogen Vacancy;G-C3N4;Photocatalysis

期刊：

Journal of Alloys and Compounds

ISSN：

0925-8388

年：

2025

卷：

1039

页码：

183184

DOI：

10.1016/j.jallcom.2025.183184

基金类别：

CRediT authorship contribution statement Weilin Zhang: Investigation, Conceptualization. Xinyu Zhao: Visualization, Investigation. Lijie Chen: Writing – original draft, Validation, Investigation, Conceptualization. Zhongran Dai: Writing – review & editing, Supervision, acquisition. Guanghui Zhao: Visualization, Investigation. Le Li: Supervision, acquisition.

机构署名：

本校为第一且通讯机构

院系归属：

核资源工程学院

公共卫生学院

摘要：

Designing high-performance photocatalytic semiconductor catalysts remains a formidable challenge in energy conversion and environmental remediation. This study develops three-dimensionally ordered mesoporous carbon nitride photonic crystals (CNPC) with synergistic nitrogen vacancies and inverse opal structures via a hard-templating method using nitrogen-rich precursors. Urea-derived CNPCU achieves 96.95 % U(Ⅵ) removal after 60 min photoactivation followed by 3 h dark reaction, substantially outperforming unmodified UCN. Mechanistic studies ...

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Synergistic enhancement of nitrogen vacancies and inverse opal structure in g-C3N4 for efficient photocatalytic uranium extraction

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