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author:

Xu, Yuanjie (Xu, Yuanjie.) [1] | Yang, Shichao (Yang, Shichao.) [2] | Ying, Meihui (Ying, Meihui.) [3] | Lin, Xing (Lin, Xing.) [4] | Pan, Haibo (Pan, Haibo.) [5] (Scholars:潘海波)

Indexed by:

EI Scopus SCIE

Abstract:

Metal-organic frameworks (MOFs) are with extensive attention for environmental remediation due to their various modification and high density of active sites. Herein, a series of Ag/ZnO@ZIF-C with core-shell structure and graphene carbon (C) acts as a sandwich bridge were designed as a photocatalyst, accelerating the interfacial charge transfer rate between Ag and ZnO. Photocatalytic activities of Ag/ZnO@ZIF-C is remarkably improved toward rhodamine B (RhB) under UV irradiation, i.e., the degradation rate by Ag/ZnO@ZIF-C (20 wt%) is 2.27 times than that of P25. RhB molecules were simultaneously photodegraded at multiple sites, including N-site deethyl, conjugate structure and benzene ring. The photocatalytic upgrading performance was recognized to the synergetic interface between ZnO@ZIF-C and Ag nanoparticles (NPs) with effective separation and suppressed the recombination of electrons and holes. It is suggesting that the electrons in the valence band (VB) of ZnO are excited to the conduction band (CB) and transferred to Ag NPs through the ZIF-C layer, then react with adsorbed oxygen to create superoxide radicals and degrade RhB into small molecules. After a five-consecutive operation, its photocatalytic efficiency by Ag/ZnO@ZIF-C (20 wt%) still maintains at 95.11 %. This work provides a

Keyword:

Core-shell Photocatalysis Superoxide radical ZIF-8

Community:

  • [ 1 ] [Xu, Yuanjie]Fuzhou Univ, Coll Chem, Qishan Campus, Fuzhou 350116, Fujian, Peoples R China
  • [ 2 ] [Yang, Shichao]Fuzhou Univ, Coll Chem, Qishan Campus, Fuzhou 350116, Fujian, Peoples R China
  • [ 3 ] [Ying, Meihui]Fuzhou Univ, Coll Chem, Qishan Campus, Fuzhou 350116, Fujian, Peoples R China
  • [ 4 ] [Lin, Xing]Fuzhou Univ, Coll Chem, Qishan Campus, Fuzhou 350116, Fujian, Peoples R China
  • [ 5 ] [Pan, Haibo]Fuzhou Univ, Coll Chem, Qishan Campus, Fuzhou 350116, Fujian, Peoples R China
  • [ 6 ] [Xu, Yuanjie]Fuzhou Univ, Inst Mol Catalysis & Insitu Operando Studies, Coll Chem, Fuzhou 350116, Fujian, Peoples R China
  • [ 7 ] [Ying, Meihui]Fuzhou Univ, Fujian Key Lab Med Instrument & Pharmaceut Technol, Fuzhou 350116, Fujian, Peoples R China
  • [ 8 ] [Pan, Haibo]Fuzhou Univ, Fujian Key Lab Med Instrument & Pharmaceut Technol, Fuzhou 350116, Fujian, Peoples R China
  • [ 9 ] [Pan, Haibo]Wuyi Univ, Fujian Key Lab Ecoind Green Technol, Wuyishan 354300, Fujian, Peoples R China

Reprint 's Address:

  • [Pan, Haibo]Fuzhou Univ, Coll Chem, Qishan Campus, Fuzhou 350116, Fujian, Peoples R China;;

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Source :

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS

ISSN: 0927-7757

Year: 2023

Volume: 658

4 . 9

JCR@2023

4 . 9 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

ESI HC Threshold:39

JCR Journal Grade:2

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 3

SCOPUS Cited Count: 3

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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