Strong and Stable Doping of Carbon Nanotubes and Graphene by MoO x for Transparent Electrodes
AuthorsHellstrom, Sondra L.
Stoltenberg, Randall M.
Wang, Yinchao Bril
KAUST Grant NumberKUS-C1-015-21
Online Publication Date2012-06-13
Print Publication Date2012-07-11
Permanent link to this recordhttp://hdl.handle.net/10754/599748
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AbstractMoO x has been used for organic semiconductor doping, but it had been considered an inefficient and/or unstable dopant. We report that MoO x can strongly and stably dope carbon nanotubes and graphene. Thermally annealed MoO x-CNT composites can form durable thin film electrodes with sheet resistances of 100 ω/sq at 85% transmittance plain and 85 ω/sq at 83% transmittance with a PEDOT:PSS adlayer. Sheet resistances change less than 10% over 20 days in ambient and less than 2% with overnight heating to 300 °C in air. The MoO x can be easily deposited either by thermal evaporation or from solution-based precursors. Excellent stability coupled with high conductivity makes MoO x-CNT composites extremely attractive candidates for practical transparent electrodes. © 2012 American Chemical Society.
CitationHellstrom SL, Vosgueritchian M, Stoltenberg RM, Irfan I, Hammock M, et al. (2012) Strong and Stable Doping of Carbon Nanotubes and Graphene by MoO x for Transparent Electrodes . Nano Lett 12: 3574–3580. Available: http://dx.doi.org/10.1021/nl301207e.
SponsorsS.L.H. and Z.B. would like to thank the Stanford University Global Climate and Energy Project (GCEP) for partial funding. This publication was partially based on work supported by the Center for Advanced Molecular Photovoltaics (Award No. KUS-C1-015-21) made by King Abdullah University of Science and Technology (KAUST).
PublisherAmerican Chemical Society (ACS)
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