Silver Nanowire/Optical Adhesive Coatings as Transparent Electrodes for Flexible Electronics

We present new flexible, transparent, and conductive coatings composed of an annealed silver nanowire network embedded in a polyurethane optical adhesive. These coatings can be applied to rigid glass substrates as well as to flexible polyethylene terephthalate (PET) plastic and elastomeric polydimet...

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Bibliographic Details
Published in:ACS applied materials & interfaces 2013-10, Vol.5 (20), p.10165-10172
Main Authors: Miller, Michael S, O’Kane, Jessica C, Niec, Adrian, Carmichael, R. Stephen, Carmichael, Tricia Breen
Format: Article
Language:English
Subjects:
Dimethylpolysiloxanes - chemistry
Electrochemical Techniques
Electrodes
Electronics
Glass - chemistry
Nanowires - chemistry
Polyethylene Terephthalates - chemistry
Silver - chemistry
Tensile Strength
Tin Compounds - chemistry
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Summary:We present new flexible, transparent, and conductive coatings composed of an annealed silver nanowire network embedded in a polyurethane optical adhesive. These coatings can be applied to rigid glass substrates as well as to flexible polyethylene terephthalate (PET) plastic and elastomeric polydimethylsiloxane (PDMS) substrates to produce highly flexible transparent conductive electrodes. The coatings are as conductive and transparent as indium tin oxide (ITO) films on glass, but they remain conductive at high bending strains and are more durable to marring and scratching than ITO. Coatings on PDMS withstand up to 76% tensile strain and 250 bending cycles of 15% strain with a negligible increase in electrical resistance. Since the silver nanowire network is embedded at the surface of the optical adhesive, these coatings also provide a smooth surface (root mean squared surface roughness
ISSN:1944-8244
1944-8252
DOI:10.1021/am402847y