Nanostructured Hybrid Transparent Conductive Films with Antibacterial Properties

Year: 2012

Authors: Kholmanov I., Stoller M.D., Edgeworth J., Hyoung L., Li H., Lee J., Barnhart C., Potts J., Piner R., Akinwande D., Barrick J., Ruoff R.

Autors Affiliation: Department of Mechanical Engineering and Materials Science and Engineering Program, The University of Texas at Austin, 1 University Station C2200, Austin, Texas 78712, United States;
CNR-IDASC Sensor Lab Department of Chemistry and Physics, University of Brescia, Via Valotti, 9, Brescia 25133, Italy;
Microelectronic Research Center, Department of Electrical Engineering and The University of Texas at Austin, Austin, Texas 78758, United States;
Chemistry and Biochemistry, Institute for Cellular and Molecular Biology, The University of Texas at Austin, Austin, Texas 78712, United States

Abstract: Here, we demonstrate that the assembly of nanostructures with different di-mensionalities yields \”multicomponent hybrid\” transparent conductive films (TCFs) with sheet resistance and optical transmittance comparable to that of indium tin oxide (ITO) films. It was shown that sheet resistance of single-component Ag nanowire (NW) films can be further decreased by introducing gold-decorated reduced graphene oxide (RG-O) nanoplatelets that bridge the closely located noncontacting metal NWs. RG-O nanoplatelets can act as a protective and adhesive layer for underneath metal NWs, resulting in better performance of hybrid TCFs compared to single-component TCFs. Additionally, these hybrid TCFs possess antibacterial properties, demonstrating their multifunctional characteristics that might have a potential for biomedical device applications. Further development of this strategy paves a way toward next generation TCFs composed of different nanostructures and characterized by multiple (or additional) functionalities.

Journal/Review: ACS NANO

Volume: 6 (6)      Pages from: 5157  to: 5163

More Information: This work was supported by a Tokyo Electron Ltd. (TEL)-customized Semiconductor Research Corporation award (Project #2009-OJ-1873-development of graphene-based transparent conductive films for display applications).
KeyWords: transparent conducive films; reduced graphene oxide; nanowires; hybrid films; antibacterial films
DOI: 10.1021/nn300852f

Citations: 129
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