Langmuir-Blodgett assembly of transparent graphene oxide-silver microwire hybrid films with an antibacterial property

SHI Li-fang; LIU Jun-zhe; YANG Jun-he; CAI Ling-fei; SHI Li-yun; QIU Han-xun

doi:10.1016/S1872-5805(17)60127-6

Volume 32 Issue 4

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Article Navigation > New Carbon Mater. > 2017 > 32(4): 344-351

SHI Li-fang, LIU Jun-zhe, YANG Jun-he, CAI Ling-fei, SHI Li-yun, QIU Han-xun. Langmuir-Blodgett assembly of transparent graphene oxide-silver microwire hybrid films with an antibacterial property. New Carbon Mater., 2017, 32(4): 344-351. doi: 10.1016/S1872-5805(17)60127-6

Citation:

SHI Li-fang, LIU Jun-zhe, YANG Jun-he, CAI Ling-fei, SHI Li-yun, QIU Han-xun. Langmuir-Blodgett assembly of transparent graphene oxide-silver microwire hybrid films with an antibacterial property. New Carbon Mater., 2017, 32(4): 344-351. doi: 10.1016/S1872-5805(17)60127-6

Citation:

SHI Li-fang, LIU Jun-zhe, YANG Jun-he, CAI Ling-fei, SHI Li-yun, QIU Han-xun. Langmuir-Blodgett assembly of transparent graphene oxide-silver microwire hybrid films with an antibacterial property. New Carbon Mater., 2017, 32(4): 344-351. doi: 10.1016/S1872-5805(17)60127-6

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Langmuir-Blodgett assembly of transparent graphene oxide-silver microwire hybrid films with an antibacterial property

doi: 10.1016/S1872-5805(17)60127-6

1.
School of Materials Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China;
2.
School of Medicine, Hangzhou Normal University, Hangzhou 310036, China

Funds: 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).

Received Date: 2017-05-30
Accepted Date: 2017-08-31
Rev Recd Date: 2017-08-09
Publish Date: 2017-08-28

Abstract

Abstract

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.
- Graphene oxide,
- Ag MW,
- E. coli,
- Transparent,
- Antibacterial

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References(31)

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