Development of an ultra-thin film comprised of a graphene membrane and carbon nanotube vein support

Xiaoyang Lin, Peng Liu (), Yang Wei, Qunqing Li, Jiaping Wang, Yang Wu, Chen Feng, Lina Zhang, Shoushan Fan and Kaili Jiang ()
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Xiaoyang Lin: State Key Laboratory of Low-Dimensional Quantum Physics, Tsinghua University
Peng Liu: State Key Laboratory of Low-Dimensional Quantum Physics, Tsinghua University
Yang Wei: State Key Laboratory of Low-Dimensional Quantum Physics, Tsinghua University
Qunqing Li: State Key Laboratory of Low-Dimensional Quantum Physics, Tsinghua University
Jiaping Wang: State Key Laboratory of Low-Dimensional Quantum Physics, Tsinghua University
Yang Wu: State Key Laboratory of Low-Dimensional Quantum Physics, Tsinghua University
Chen Feng: State Key Laboratory of Low-Dimensional Quantum Physics, Tsinghua University
Lina Zhang: State Key Laboratory of Low-Dimensional Quantum Physics, Tsinghua University
Shoushan Fan: State Key Laboratory of Low-Dimensional Quantum Physics, Tsinghua University
Kaili Jiang: State Key Laboratory of Low-Dimensional Quantum Physics, Tsinghua University

Nature Communications, 2013, vol. 4, issue 1, 1-7

Abstract: Abstract Graphene, exhibiting superior mechanical, thermal, optical and electronic properties, has attracted great interest. Considering it being one-atom-thick, and the reduced mechanical strength at grain boundaries, the fabrication of large-area suspended chemical vapour deposition graphene remains a challenge. Here we report the fabrication of an ultra-thin free-standing carbon nanotube/graphene hybrid film, inspired by the vein–membrane structure found in nature. Such a square-centimetre-sized hybrid film can realize the overlaying of large-area single-layer chemical vapour deposition graphene on to a porous vein-like carbon nanotube network. The vein–membrane-like hybrid film, with graphene suspended on the carbon nanotube meshes, possesses excellent mechanical performance, optical transparency and good electrical conductivity. The ultra-thin hybrid film features an electron transparency close to 90%, which makes it an ideal gate electrode in vacuum electronics and a high-performance sample support in transmission electron microscopy.

Date: 2013
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DOI: 10.1038/ncomms3920

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