4.7 Article

Facile synthesis of Ag@ZIF-8 core-shell heterostructure nanowires for improved antibacterial activities

Journal

APPLIED SURFACE SCIENCE
Volume 435, Issue -, Pages 149-155

Publisher

ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2017.11.096

Keywords

Silver; ZIF-8; Core-shell heterostructure; Antibacterial activities

Funding

  1. National Natural Science Foundation of China [51402001, 51572001]
  2. Key University Natural Science Research Project of Anhui Province [KJ2016A034]

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Compared with pure MOFs, core-shell heterostructures of noble-metal@MOFs have attracted tremendous interest due to their unique structure and extensive applications. In the present study, we have successfully synthesized well-defined core-shell Ag@ZIF-8 nanowires. The products growth process has been investigated by examining the products obtained at different intervals and the thickness of ZIF-8 shell ranging from 30 to 100 nm can be technically obtained by tuning the quantity of Ag nanowires. Ag@ZIF-8 has been proven to possess large specific surfaces and high thermal stability. Additionally, the antibacterial activity of Ag@ZIF-8 is further tested against Bacillus subtilis and Escherichia coli BL21. The results reveal that Ag@ZIF-8 core-shell heterostructure nanowires have effective activities against the two types of bacterial strains. (C) 2017 Elsevier B.V. All rights reserved.

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