Self-assembled synthesis of recyclable g-C3N4/NH2-MIL-53(Fe) aerogel for enhanced photocatalytic degradation of organic pollutants

被引：31

作者：

He, Xinhua ^{[1
]}

Wang, Linlin ^{[1
]}

Sun, Songmei ^{[3
]}

Yang, Xuechun ^{[2
]}

Tian, Haoyu ^{[1
,2
]}

Xia, Zijie ^{[1
,2
]}

Li, Xiaoliang ^{[4
]}

Yan, Xiaoliang ^{[4
]}

Pu, Xianjuan ^{[2
]}

Jiao, Zheng ^{[5
]}

机构：

[1] Shanghai Univ, Inst Sustainable Energy, Coll Sci, Shanghai 200444, Peoples R China

[2] Shanghai Univ, Sch Environm & Chem Engn, Shanghai 200444, Peoples R China

[3] Donghua Univ, Coll Environm Sci & Engn, Text Pollut Controlling Engn Ctr Minist Environm P, Shanghai 201620, Peoples R China

[4] Taiyuan Univ Technol, State Key Lab Clean & Efficient Coal Utilizat, Taiyuan, Peoples R China

[5] Shanghai Univ, Shanghai Appl Radiat Inst, Shanghai 201800, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2023年 / 946卷

基金：

中国国家自然科学基金;

关键词：

Self-assembly; Graphic carbon nitride; Metal-organic frameworks; Aerogel; Visible -light photocatalysis; GRAPHITIC CARBON NITRIDE; CO2; REDUCTION; CONSTRUCTION; PERFORMANCE; EVOLUTION;

D O I：

10.1016/j.jallcom.2023.169391

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A porous g-C3N4/NH2-MIL-53(Fe) (CNMIL) aerogel with excellent recyclability and photocatalytic perfor-mance was successfully synthesized via facile electrostatic self-assembly. The coupling of NH2-MIL-53(Fe) enhanced the visible-light absorption regions of g-C3N4 and increases its specific surface areas. The syn-thesized aerogel possessed outstanding recyclability and could be easily separated from the aqueous phase. In addition, the CNMIL aerogel exhibited superior degradation efficiencies for rhodamine B (RhB) and norfloxacin (NFL) under visible-light irradiation, which were 2.6 and 1.3 times higher than pure g-C3N4, respectively. The increased photocatalytic performance of the CNMIL aerogel could be attributed to the synergistic electron transfer interface between g-C3N4 and NH2-MIL-53(Fe), which achieved effective electron transfer, thus enhancing the photocatalytic activity. The study achieved the modulation of the g-C3N4 by Fe-based MOF, which suggested the potential of metal-free polymer and metal-organic framework composites for efficient photocatalysis.(c) 2023 Elsevier B.V. All rights reserved.

引用

页数：11

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