CAS OpenIR
Edge-Functionalized g-C3N4 Nanosheets as a Highly Efficient Metal-free Photocatalyst for Safe Drinking Water
Teng, Zhenyuan1; Yang, Nailiang2,5; Lv, Hongying1; Wang, Sicong1; Hu, Maozhi4; Wang, Chengyin1; Wang, Dan2,5; Wang, Guoxiu1,3
2019-03-14
Source PublicationCHEM
ISSN2451-9294
Volume5Issue:3Pages:664-680
AbstractSolar water disinfection catalyzed by metal-free photocatalyst has emerged as a promising approach for clean water production. By using the edge-functionalized graphitic carbon nitride (g-C3N4) as photocatalytic disinfectants, we find that the pathogen-rich water can be rapidly purified in 30 min with a disinfection efficiency of over 99.9999% under visible-light irradiation, which meets the requirement for drinking water. The edge-functionalized g-C3N4 shows a first-order disinfection rate that is five times higher than the previously reported best metal-free photocatalyst but only consumes 1/10 of the catalyst. The catalytic activity is also comparable to that of the best metal-based photocatalyst. Results of the highest occupied molecular orbitals and Mulliken charge distribution reveal that the exposed -COOH and C=O groups at the edges of g-C3N4 nanosheets not only significantly promote charge separation but also induce the upward bending of the surface band, facilitating the generation of hydrogen peroxide.
DOI10.1016/j.chempr.2018.12.009
Language英语
WOS KeywordGRAPHITIC CARBON NITRIDE ; VISIBLE-LIGHT ; HYDROGEN EVOLUTION ; ESCHERICHIA-COLI ; HYBRID PHOTOCATALYST ; HALF-METALLICITY ; GRAPHENE ; DISINFECTION ; INACTIVATION ; PERFORMANCE
Funding ProjectNational Natural Science Foundation of China[21375116] ; National Natural Science Foundation of China[21590795] ; National Natural Science Foundation of China[21820102002] ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Jiangsu Province Research Program on analytical methods and techniques on the shared platform of large-scale instruments and equipment[BZ 201409]
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
Funding OrganizationNational Natural Science Foundation of China ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Jiangsu Province Research Program on analytical methods and techniques on the shared platform of large-scale instruments and equipment
WOS IDWOS:000461193300018
PublisherCELL PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/28290
Collection中国科学院过程工程研究所
Corresponding AuthorWang, Chengyin; Wang, Dan; Wang, Guoxiu
Affiliation1.Yangzhou Univ, Coll Chem & Chem Engn, 180 Si Wang Ting Rd, Yangzhou 225002, Jiangsu, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, 1 Beiertiao, Beijing 100190, Peoples R China
3.Univ Technol Sydney, Ctr Clean Energy Technol, City Campus, Sydney, NSW 2007, Australia
4.Yangzhou Univ, Test Ctr Yangzhou Univ, 48 Wen Hui Dong Rd, Yangzhou 225009, Jiangsu, Peoples R China
5.Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Teng, Zhenyuan,Yang, Nailiang,Lv, Hongying,et al. Edge-Functionalized g-C3N4 Nanosheets as a Highly Efficient Metal-free Photocatalyst for Safe Drinking Water[J]. CHEM,2019,5(3):664-680.
APA Teng, Zhenyuan.,Yang, Nailiang.,Lv, Hongying.,Wang, Sicong.,Hu, Maozhi.,...&Wang, Guoxiu.(2019).Edge-Functionalized g-C3N4 Nanosheets as a Highly Efficient Metal-free Photocatalyst for Safe Drinking Water.CHEM,5(3),664-680.
MLA Teng, Zhenyuan,et al."Edge-Functionalized g-C3N4 Nanosheets as a Highly Efficient Metal-free Photocatalyst for Safe Drinking Water".CHEM 5.3(2019):664-680.
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