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Proc Natl Acad Sci U S A

Title:		An ultrafast and facile nondestructive strategy to convert various inefficient commercial nanocarbons to highly active Fenton-like catalysts
Author(s):		Wang J; Fu Q; Yu J; Yang H; Hao Z; Zhu F; Ouyang G;
Address:		"Ministry of Education (MOE) Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, Guangdong, China. National Engineering Laboratory for Volatile Organic Compounds (VOCs) Pollution Control Material & Technology, University of Chinese Academy of Sciences, Beijing 101408, China. Ministry of Education (MOE) Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, Guangdong, China; cesoygf@mail.sysu.edu.cn. Chemistry College, Center of Advanced Analysis and Gene Sequencing, Zhengzhou University, Zhengzhou 450001, China. Provincial Key Laboratory of Emergency Test for Dangerous Chemicals, Guangdong Provincial Engineering Research Center for Ambient Mass Spectrometry, Institute of Analysis, Guangdong Academy of Sciences (China National Analytical Center Guangzhou), Guangzhou 510070, China"
Journal Title:		Proc Natl Acad Sci U S A
Year:		2022
Volume:		119
Issue:		3
Page Number:		-
DOI:		10.1073/pnas.2114138119
ISSN/ISBN:		1091-6490 (Electronic) 0027-8424 (Print) 0027-8424 (Linking)
Abstract:		"The Fenton-like process catalyzed by metal-free materials presents one of the most promising strategies to deal with the ever-growing environmental pollution. However, to develop improved catalysts with adequate activity, complicated preparation/modification processes and harsh conditions are always needed. Herein, we proposed an ultrafast and facile strategy to convert various inefficient commercial nanocarbons into highly active catalysts by noncovalent functionalization with polyethylenimine (PEI). The modified catalysts could be in situ fabricated by direct addition of PEI aqueous solution into the nanocarbon suspensions within 30 s and without any tedious treatment. The unexpectedly high catalytic activity is even superior to that of the single-atom catalyst and could reach as high as 400 times higher than the pristine carbon material. Theoretical and experimental results reveal that PEI creates net negative charge via intermolecular charge transfer, rendering the catalyst higher persulfate activation efficiency"
Keywords:		Fenton-like catalysis interface engineering n-doping nanocarbon noncovalent;
Notes:		"PubMed-not-MEDLINEWang, Junhui Fu, Qi Yu, Jiaxing Yang, Huangsheng Hao, Zhengping Zhu, Fang Ouyang, Gangfeng eng Research Support, Non-U.S. Gov't 2022/01/13 Proc Natl Acad Sci U S A. 2022 Jan 18; 119(3):e2114138119. doi: 10.1073/pnas.2114138119"