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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
materials science
Zeolitic Imidazolate Framework/Graphene Oxide Hybrid Nanosheets Functionalized Thin Film Nanocomposite Membrane for Enhanced Antimicrobial Performance
ACS Applied Materials and Interfaces, Volume 8, No. 38, Year 2016
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Description
Inspired by the rational design concept, a novel antimicrobial agent zeolitic imidazolate framework-8 (ZIF-8)/graphene oxide (GO) was synthesized and utilized as a novel and efficient bactericidal agent to fabricate antimicrobial thin film nanocomposite (TFN) membranes via interfacial polymerization. The resultant hybrid nanosheets not only integrates the merits of both ZIF-8 and GO but also yields a uniform dispersion of ZIF-8 onto GO nanosheets simultaneously, thus effectively eliminating the agglomeration of ZIF-8 in the active layer of membranes. A ZIF-8/GO thin film nanocomposite (TFN-ZG) membrane with typical water permeability (40.63 L m-2 h-1 MPa-1) allows for efficient bivalent salt removal (rejections of Na2SO4 and MgSO4 were 100% and 77%, respectively). Furthermore, the synthesized ZIF-8/GO nanocomposites were verified to have an optimal antimicrobial activity (MIC,128 μg/mL) in comparison with ZIF-8 and GO separately, which sufficiently endowed the TFN-ZG membrane with excellent antimicrobial activity (84.3% for TFN-ZG3). Besides, the antimicrobial mechanisms of ZIF-8/GO hybrid nanosheets and TFN-ZG membranes were proposed. ZIF-8/GO functionalized membrane with high antimicrobial activity and salt retention denoted its great potential in water desalination, and we suggest that ZIF-8 based crystal may offer a new pathway for the synthesis of a multifunctional bactericide. © 2016 American Chemical Society.
Authors & Co-Authors
Wang, Jing
China, Zhengzhou
Zhengzhou University
Belgium, Leuven
Ku Leuven
Zhang, Yatao
China, Zhengzhou
Zhengzhou University
Uliana, Adam Andrew
Belgium, Leuven
Ku Leuven
United States, University Park
Pennsylvania State University
Zhu, Junyong
Belgium, Leuven
Ku Leuven
Liu, Jindun
China, Zhengzhou
Zhengzhou University
van der Bruggen, Bart
Belgium, Leuven
Ku Leuven
Statistics
Citations: 257
Authors: 6
Affiliations: 3
Identifiers
Doi:
10.1021/acsami.6b06992
ISSN:
19448244
Research Areas
Environmental