Journal
JOURNAL OF MATERIALS CHEMISTRY C
Volume 3, Issue 7, Pages 1528-1536Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4tc02448f
Keywords
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Funding
- National Natural Science foundation [51373013, 51173013, 50903004]
- Beijing Young Talents Plan [YETP0489]
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A new type of highly stable, transparent and flexible hybrid electrode has been developed by integrating the encapsulation of a silver nanowires (AgNWs) network by polyvinyl alcohol (PVA) with a single-layer graphene on a flexible substrate. Compared with commercial indium tin oxide (ITO) film and pristine AgNWs-graphene hybrid film, this hybrid electrode formulation was found to exhibit excellent optical and electrical properties (84.0% at 550 nm R-S = 14.1 Omega square(-1)). Moreover, the PVA encapsulated-AgNWs-graphene hybrid electrode on a flexible substrate shows superior mechanical flexibility, reliability and long-term stability due to the multi-functional effects of PVA as the encapsulation layer. Finally, we employ this hybrid electrode to construct a flexible cholesteric liquid crystals (Ch-LCs) device, where the PVA layer in hybrid formation could be used as the orientation layer. This Ch-LCs device exhibits an impressive electrical-optical performance, demonstrating its potential as a transparent and stretchable electrode platform for flexible optoelectronics.
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