期刊
NEW CARBON MATERIALS
卷 32, 期 4, 页码 344-351出版社
ELSEVIER
DOI: 10.1016/S1872-5805(17)60127-6
关键词
Graphene oxide; Ag MW; E. coli; Transparent; Antibacterial
资金
- NSFC [51102170, 51272157]
- Shanghai Pujiang Talent Project [13PJ1406400]
- China Postdoctoral Science Foundation [2012M520912]
- Shanghai Postdoctoral Science Foundation [13R21415500]
- Shanghai Committee of Science and Technology [15JC1490700]
Silver microwires (AgMWs) were made amphiphilic by non-covalent functionalization with poly (vinyl pyrrolidone) and hexadecyl mercaptan. The Langmuir-Blodgett (LB) technique was used to transfer graphene oxide (GO) and the functionalized AgMWs (F-AgMWs) onto a quartz substrate to obtain GO-AgMW hybrid films. The films had a high optical transparency and an antibacterial property against Escherichia coli (E. coli). It is proposed that the GO layer not only acts as an adhesive layer for AgMWs, but also is acidic, which provides an ideal reaction condition for AgMWs to release the Ag+ ions that fight E. coli. The influence of pH value on the antibacterial property of the hybrid films was investigated in order to verify the proposed mechanism. Further development of this method may provide a way to produce next generation transparent multifunctional thin films with antibacterial properties.
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