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Graphene Nano-“patches” on a Carbon Nanotube Network for Highly Transparent/Conductive Thin Film Applications

2010; American Chemical Society; Volume: 114; Issue: 33 Linguagem: Inglês

10.1021/jp1041487

1932-7455

Chunyan Li, Zhen Li, Hongwei Zhu, Kunlin Wang, Jinquan Wei, Xiao Li, Pengzhan Sun, Han Zhang, Dehai Wu,

Carbon Nanotubes in Composites

Freestanding carbon-based composite thin films, consisting of a carbon nanotube network patched with graphene sheets, were assembled by a solid-phase layer-stacking approach with ethanol wetting. The composite films are highly flexible, transparent, and conductive, showing a sheet resistance of 735 Ω/sq at 90% transmittance (at 550 nm). Under AM1.5 illumination, heterojunction solar cells made from the composite films and n-type silicon show a power conversion efficiency of up to 5.2%.