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On the high charge-carrier mobility in polyaniline molecular channels in nanogaps between carbon nanotubes

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Abstract

This study is devoted to the fabrication of molecular semiconductor channels based on polymer molecules with nanoscale electrodes made of single-walled carbon nanotubes. A reproducible technology for forming nanoscale gaps in carbon nanotubes using a focused Ga+ ion beam is proposed. Polyaniline molecules are deposited into nanogaps up to 30 nm wide between nanotubes by electrophoresis from N-methyl-2-pyrrolidone solution. As a result, molecular organic transistors are fabricated, in which the field effect is studied and the molecular-channel mobility is determined as 0.1 cm2/(V s) at an on/off current ratio of 5 × 102.

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Correspondence to A. V. Emelianov.

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Original Russian Text © A.V. Emelianov, A.V. Romashkin, K.A. Tsarik, A.G. Nasibulin, V.K. Nevolin, I.I. Bobrinetskiy, 2017, published in Fizika i Tekhnika Poluprovodnikov, 2017, Vol. 51, No. 4, pp. 512–516.

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Emelianov, A.V., Romashkin, A.V., Tsarik, K.A. et al. On the high charge-carrier mobility in polyaniline molecular channels in nanogaps between carbon nanotubes. Semiconductors 51, 488–491 (2017). https://doi.org/10.1134/S1063782617040030

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  • DOI: https://doi.org/10.1134/S1063782617040030

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