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Sustainable solar-driven interfacial evaporation-photocatalytic degradation of Cu-ZIF-67/rGO/PVA aerogel: A multifunctional material for pollutant treatment
NIE FAN1; CAI JIHAI1,2; MA LINGXUAN1; GONG SHENG1; WANG SHUANGPENG3; CHEN WENQIAN4; LI SHENGLIANG5; WEI JINCHAO1; LI PENG1
2024-12
Source PublicationChemical Engineering Journal
ISSN1385-8947
Volume505Pages:159130
Abstract

Simultaneously satisfying recovery and efficient degradation remains a challenge for photocatalysis in pollutant treatment. Hence, Cu-ZIF-67 loaded rGO/PVA aerogel (Cu-ZIF-67/rGO/PVA) is prepared by thermal reduction and surface growth, which boosts photocatalytic rate of recyclable aerogel by utilizing concomitant heat to enhance mass transfer by interfacial evaporation. The Cu ions doping of ZIF-67 advances the overlapping of its absorption band with sunlight and accelerates the separation of the photogenerated hole-electron. PVA based aerogel provides mechanical strength for loading and recycling of Cu-ZIF-67. rGO provides an excellent conductive substrate to extract and transport charge carriers to the reaction site while enhancing solar energy absorption and interfacial evaporation efficiencies. The evaporation rate of Cu-ZIF-67/rGO/PVA could reach 1.95 kg m-2 h-1 under 1 kW m-2 simulated solar illumination, and the photothermal conversion efficiency could reach 92.1%. Highly efficient thermal conversion promotes rapid localized warming of the Cu-ZIF-67/rGO/PVA, accelerating the production of reactive oxidants and enhancing their reactivity. Under one solar intensity, the degradation of MB by Cu-ZIF-67/rGO/PVA was significantly improved, increasing from 14.79% to 78.52%. Moreover, Cu-ZIF-67/rGO/PVA has excellent salt resistance. Therefore, Cu-ZIF-67/rGO/PVA shows strong potential for synergistic photocatalytic degradation of organic pollutants via interfacial evaporation, providing a novel approach for complex pollutant treatment. 

KeywordAlternating Hydrophilic/hydrophobic Structure Interfacial Evaporation Metal-organic Framework Photocatalysis Solar-driven Degradation
DOI10.1016/j.cej.2024.159130
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaEngineering
WOS SubjectEngineering, environmentalEngineering, Chemical
WOS IDWOS:001400310100001
PublisherElsevier
Scopus ID2-s2.0-85213871980
Fulltext Access
Citation statistics
Document TypeJournal article
CollectionTHE STATE KEY LABORATORY OF QUALITY RESEARCH IN CHINESE MEDICINE (UNIVERSITY OF MACAU)
Institute of Chinese Medical Sciences
INSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Corresponding AuthorLI SHENGLIANG; WEI JINCHAO; LI PENG
Affiliation1.Macau Centre for Research and Development in Chinese Medicine, State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau 999078, China
2.State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, 381 Wushan Road, Guangzhou 510640, China
3.Institute of Applied Physics and Materials Engineering, University of Macau, Macau 999078, China
4.Department of Pharmacy and Pharmaceutical Sciences, National University of Singapore, Science Drive 4, 117560, Singapore
5.College of Pharmaceutical Sciences, Soochow University, Suzhou 215123, China
First Author AffilicationInstitute of Chinese Medical Sciences
Corresponding Author AffilicationInstitute of Chinese Medical Sciences
Recommended Citation
GB/T 7714
NIE FAN,CAI JIHAI,MA LINGXUAN,et al. Sustainable solar-driven interfacial evaporation-photocatalytic degradation of Cu-ZIF-67/rGO/PVA aerogel: A multifunctional material for pollutant treatment[J]. Chemical Engineering Journal, 2024, 505, 159130.
APA NIE FAN., CAI JIHAI., MA LINGXUAN., GONG SHENG., WANG SHUANGPENG., CHEN WENQIAN., LI SHENGLIANG., WEI JINCHAO., & LI PENG (2024). Sustainable solar-driven interfacial evaporation-photocatalytic degradation of Cu-ZIF-67/rGO/PVA aerogel: A multifunctional material for pollutant treatment. Chemical Engineering Journal, 505, 159130.
MLA NIE FAN,et al."Sustainable solar-driven interfacial evaporation-photocatalytic degradation of Cu-ZIF-67/rGO/PVA aerogel: A multifunctional material for pollutant treatment".Chemical Engineering Journal 505(2024):159130.
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