Open AccessSilver‐loaded delaminated hectorite nanoparticles for antibacterial materials
Author(s) -
Chen Mingjie,
Li Ruimin,
Shu Xiulin,
Li Liangqiu,
Xie Xiaobao,
Shi Qingshan
Publication year - 2019
Publication title -
micro and nano letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.25
H-Index - 31
ISSN - 1750-0443
DOI - 10.1049/mnl.2018.5017
Subject(s) - hectorite , silver nanoparticle , materials science , chemical engineering , x ray photoelectron spectroscopy , nanoparticle , scanning electron microscope , nanotechnology , cationic polymerization , nuclear chemistry , chemistry , montmorillonite , composite material , polymer chemistry , engineering
Silver nanoparticles are excellent antibacterial materials with wide application. However, it is extremely unstable associated with easy aggregation and colour changes. Although a great number of carriers have been developed for stable silver nanoparticles, it is never ending to broaden silver carrier to meet varying applications. Herein, delaminated hectorite was developed as an alternative silver carrier. The structure of silver‐loaded delaminated hectorite was confirmed by X‐ray diffraction, X‐ray photoelectron spectroscopy and scanning electron microscopy/energy‐dispersive X‐ray studies. Silver (8.69 wt%) was loaded onto the hectorite nanoparticles by cationic ionic change and surface coating. The silver‐loaded hectorite showed fast bacterial killing ability (kill more than 94% Escherichia coli and 83% Staphylococcus aureus at 50 ppm within 1 h) by destroying bacterial cell wall.