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An Ag-grid/graphene hybrid structure for large-scale, transparent, flexible heaters
Cited 119 time in
Web of Science
Cited 124 time in Scopus
- Authors
- Issue Date
- 2015-04
- Publisher
- Royal Society of Chemistry
- Citation
- Nanoscale, Vol.7 No.15, pp.6567-6573
- Abstract
- Recently, carbon materials such as carbon nanotubes and graphene have been proposed as alternatives to indium tin oxide (ITO) for fabricating transparent conducting materials. However, obtaining low sheet resistance and high transmittance of these carbon materials has been challenging due to the intrinsic properties of the materials. In this paper, we introduce highly transparent and flexible conductive films based on a hybrid structure of graphene and an Ag-grid. Electrohydrodynamic (EHD) jet printing was used to produce a micro-scale grid consisting of Ag lines less than 10 mu m wide. We were able to directly write the Ag-grid on a large-area graphene/flexible substrate due to the high conductivity of graphene. The hybrid electrode could be fabricated using hot pressing transfer and EHD jet printing in a non-vacuum, maskless, and low-temperature environment. The hybrid electrode offers an effective and simple route for achieving a sheet resistance as low as similar to 4 Omega per square with similar to 78% optical transmittance. Finally, we demonstrate that transparent flexible heaters based on the hybrid conductive films could be used in a vehicle or a smart window system.
- ISSN
- 2040-3364
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