Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 4, Issue 4, Pages 1855-1859Publisher
AMER CHEMICAL SOC
DOI: 10.1021/am300058j
Keywords
silver nanowires; spray-deposition; stretchable electrode; polydopamine; hydrophilicity; surface adhesion
Funding
- Simon Fraser University
- Discovery Grant Program
- Natural Sciences and Engineering Research Council of Canada (NSERC)
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Here, we report the creation of highly adhesive transparent and stretchable coatings via spray-deposition of solution-based silver nanowires (AgNWs). The AgNW dispersion was spray-deposited on a polydopamine-modified stretchable elastomeric substrate to prepare thin, stretchable, transparent, highly conductive films. The polydopamine layer on the elastomeric substrate created a highly hydrophilic surface, which facilitated the subsequent spraying of the AgNW solution. Additionally, the spray-deposited AgNWs demonstrated excellent adhesion to the substrate, which allowed the fabrication of stretchable electrodes with high conductivity. The AgNW-coated elastomeric substrate exhibited, similar to 80% transmittance with an average sheet resistance of similar to 35 Omega/square, making it suitable for transparent electrode applications. The conductivity of the transparent electrode was maintained up to similar to 20% mechanical elongation, which demonstrated the stretchable characteristics of the AgNW-coated elastomeric substrate.
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