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Issue 48, 2012
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Highly transparent and conducting ultralarge graphene oxide/single-walled carbon nanotube hybrid films produced by Langmuir–Blodgett assembly

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Abstract

Uniform, large-area hybrid transparent films composed of ultralarge graphene oxide (UL-GO) and functionalized single walled carbon nanotubes (SWNTs) are synthesized via a layer-by-layer Langmuir–Blodgett (L–B) assembly process. Before additional chemical doping, the GO/SWNT hybrid thin films deliver remarkable sheet resistance ranging 180–560 Ω sq−1 with optical transmittance ranging 77–86% depending on the number of hybrid layers. These optoelectrical properties are much better than the corresponding values of GO films prepared previously by the same technique, and the highest among all graphene, GO and/or carbon nanotube thin films reported in the literature, except graphene films synthesized by chemical vapor deposition on a Cu substrate. The L–B assembly technique developed here is capable of controlling the film composition, structure and thickness, highly suitable for fabrication of transparent conducting optoelectronic devices on a large scale without extra post-transfer processes.

Graphical abstract: Highly transparent and conducting ultralarge graphene oxide/single-walled carbon nanotube hybrid films produced by Langmuir–Blodgett assembly

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Publication details

The article was received on 24 Jul 2012, accepted on 03 Oct 2012 and first published on 04 Oct 2012


Article type: Paper
DOI: 10.1039/C2JM34870E
Citation: J. Mater. Chem., 2012,22, 25072-25082
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    Highly transparent and conducting ultralarge graphene oxide/single-walled carbon nanotube hybrid films produced by Langmuir–Blodgett assembly

    Q. Zheng, B. Zhang, X. Lin, X. Shen, N. Yousefi, Z. Huang, Z. Li and J. Kim, J. Mater. Chem., 2012, 22, 25072
    DOI: 10.1039/C2JM34870E

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