LB膜法制备氧化石墨烯-银微米线复合透明抗菌性薄膜

师利芳; 刘君哲; 杨俊和; 蔡玲斐; 史丽云; 邱汉迅

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

LB膜法制备氧化石墨烯-银微米线复合透明抗菌性薄膜

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

1.
上海理工大学, 材料工程学院, 上海 200093;
2.
杭州师范大学, 生命与科学学院, 浙江杭州 310036

基金项目: 国家自然科学基金（51102170，51272157）；上海浦江人才计划（13PJ1406400）；中国博士后基金（2012M520912）；上海博士后基金（13R21415500）；上海科学基金（15JC1490700）.

详细信息

通讯作者:
杨俊和,教授,E-mail:jhyang@usst.edu.cn

中图分类号: TB33
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- 文章访问数: 469
- HTML全文浏览量: 101
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- 被引次数: 0
出版历程
- 收稿日期: 2017-05-30
- 录用日期: 2017-08-31
- 修回日期: 2017-08-09
- 刊出日期: 2017-08-28

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

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).

摘要

摘要: 采用聚乙烯吡咯烷酮和十六烷硫醇对银微米线进行双亲性处理，得到具有双亲性能的银微米线，并采用LB膜法将氧化石墨烯和改性后的银微米线依次沉积在石英基底上，制备氧化石墨烯-银微米线复合薄膜。氧化石墨烯提高了银纳米线的粘附性能，并为银微米线释放具有抗菌性能的银离子提供了弱酸性环境，在两种材料的协同作用下，复合薄膜表现出透明度高、抗大肠杆菌性能好的特点。该工作将为新一代多功能透明、抗菌性薄膜的制备提供新思路。
- 氧化石墨烯 /
- 银微米线 /
- 大肠杆菌 /
- 透明 /
- 抗菌
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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