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author:

He, Yupeng (He, Yupeng.) [1] | Lin, Ang (Lin, Ang.) [2] | Lin, Gengbing (Lin, Gengbing.) [3] | Wu, Zhi-Chao (Wu, Zhi-Chao.) [4] | Chen, Fei-Fei (Chen, Fei-Fei.) [5] | Guo, Nan (Guo, Nan.) [6] | Yu, Yan (Yu, Yan.) [7]

Indexed by:

EI Scopus SCIE

Abstract:

The eradication of bacteria and the degradation of organic pollutants in contaminated water hold paramount importance for both ecological systems and human health. Herein, we report the development of a bifunctional material, constructed from metal-organic frameworks (MOFs) and their derived metal/carbon composites, which demonstrates remarkable efficacy in disinfecting and degrading dyes and antibiotics. Notably, the synthesized Co-MOFs and their derived Co@C composites exhibit a progressive enhancement in antibacterial activity: (i) In comparison to 3D Co-MOF polyhedra, 2D Co-MOF nanosheets demonstrate superior efficacy in killing both E. coli and S. aureus. This enhanced antibacterial performance is attributed to the generation of a higher quantity of reactive oxygen species and the unique nanosheet structure. (ii) Following heat treatment of the 2D Co-MOFs, carbon-encapsulated cobalt nanoparticles (Co@C) are obtained. These nanoparticles further reduce the minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) values compared to the pristine 2D Co-MOFs. (iii) Additionally, the carbon layers impart exceptional photothermal properties to the materials, leading to a further enhancement in antibacterial efficacy. With irradiation with NIR for just 10 min, the bactericidal rates against E. coli and S. aureus can be as high as 97 % and 100 %, respectively. Furthermore, the cobalt nanoparticles within the carbon layers serve as catalysts for Fenton-like catalytic degradation of organic pollutants in the presence of peroxymonosulfate. Nearly 100 % of cationic Methylene Blue and anionic Congo Red, as well as 77 % of Enrofloxacin, can be degraded within 60 seconds.

Keyword:

Antibacterial Degradation Metal-organic frameworks Organic pollutants Photothermal

Community:

  • [ 1 ] [He, Yupeng]Fuzhou Univ, Coll Mat Sci & Engn, Key Lab Adv Mat Technol, Fuzhou 350108, Peoples R China
  • [ 2 ] [Lin, Ang]Fuzhou Univ, Coll Mat Sci & Engn, Key Lab Adv Mat Technol, Fuzhou 350108, Peoples R China
  • [ 3 ] [Wu, Zhi-Chao]Fuzhou Univ, Coll Mat Sci & Engn, Key Lab Adv Mat Technol, Fuzhou 350108, Peoples R China
  • [ 4 ] [Chen, Fei-Fei]Fuzhou Univ, Coll Mat Sci & Engn, Key Lab Adv Mat Technol, Fuzhou 350108, Peoples R China
  • [ 5 ] [Yu, Yan]Fuzhou Univ, Coll Mat Sci & Engn, Key Lab Adv Mat Technol, Fuzhou 350108, Peoples R China
  • [ 6 ] [Lin, Gengbing]Fujian Univ Tradit Chinese Med, Affiliated Peoples Hosp, Dept Stomatol, Fuzhou 350004, Peoples R China
  • [ 7 ] [Guo, Nan]Fujian Univ Tradit Chinese Med, Affiliated Peoples Hosp, Dept Stomatol, Fuzhou 350004, Peoples R China

Reprint 's Address:

  • [Chen, Fei-Fei]Fuzhou Univ, Coll Mat Sci & Engn, Key Lab Adv Mat Technol, Fuzhou 350108, Peoples R China;;[Yu, Yan]Fuzhou Univ, Coll Mat Sci & Engn, Key Lab Adv Mat Technol, Fuzhou 350108, Peoples R China;;[Guo, Nan]Fujian Univ Tradit Chinese Med, Affiliated Peoples Hosp, Dept Stomatol, Fuzhou 350004, Peoples R China

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Source :

JOURNAL OF ALLOYS AND COMPOUNDS

ISSN: 0925-8388

Year: 2025

Volume: 1024

5 . 8 0 0

JCR@2023

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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