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

A. V. Emelianov*, A. V. Romashkin, K. A. Tsarik, A. G. Nasibulin, V. K. Nevolin, Ivan Bobrinetskiy

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

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.

Original languageEnglish
Pages (from-to)488-491
Number of pages4
JournalSemiconductors
Volume51
Issue number4
DOIs
Publication statusPublished - 1 Apr 2017
MoE publication typeA1 Journal article-refereed

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