Tailoring the molecular structure to suppress extrinsic disorder in organic transistors

Nikolas A. Minder; Shaofeng Lu; Simone Fratini; Sergio Ciuchi; Antonio Facchetti; Alberto F. Morpurgo

doi:10.1002/adma.201304130

Tailoring the molecular structure to suppress extrinsic disorder in organic transistors

Nikolas A. Minder^*, Shaofeng Lu, Simone Fratini, Sergio Ciuchi, Antonio Facchetti, Alberto F. Morpurgo

^*Corresponding author for this work

Chemistry

Research output: Contribution to journal › Article › peer-review

44 Scopus citations

Abstract

In organic field-effect transistors, the structure of the constituent molecules can be tailored to minimize the disorder experienced by charge carriers. Experiments on two perylene derivatives show that disorder can be suppressed by attaching longer core substituents - thereby reducing potential fluctuations in the transistor channel and increasing the mobility in the activated regime - without altering the intrinsic transport properties.

Original language	English (US)
Pages (from-to)	1254-1260
Number of pages	7
Journal	Advanced Materials
Volume	26
Issue number	8
DOIs	https://doi.org/10.1002/adma.201304130
State	Published - Feb 26 2014

Keywords

band-like transport
disorder
field-effect transistors
organic single crystals
structure-property relationships

ASJC Scopus subject areas

Mechanics of Materials
Mechanical Engineering
General Materials Science

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10.1002/adma.201304130

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abstract = "In organic field-effect transistors, the structure of the constituent molecules can be tailored to minimize the disorder experienced by charge carriers. Experiments on two perylene derivatives show that disorder can be suppressed by attaching longer core substituents - thereby reducing potential fluctuations in the transistor channel and increasing the mobility in the activated regime - without altering the intrinsic transport properties.",

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AU - Lu, Shaofeng

AU - Fratini, Simone

AU - Ciuchi, Sergio

AU - Facchetti, Antonio

AU - Morpurgo, Alberto F.

PY - 2014/2/26

Y1 - 2014/2/26

N2 - In organic field-effect transistors, the structure of the constituent molecules can be tailored to minimize the disorder experienced by charge carriers. Experiments on two perylene derivatives show that disorder can be suppressed by attaching longer core substituents - thereby reducing potential fluctuations in the transistor channel and increasing the mobility in the activated regime - without altering the intrinsic transport properties.

AB - In organic field-effect transistors, the structure of the constituent molecules can be tailored to minimize the disorder experienced by charge carriers. Experiments on two perylene derivatives show that disorder can be suppressed by attaching longer core substituents - thereby reducing potential fluctuations in the transistor channel and increasing the mobility in the activated regime - without altering the intrinsic transport properties.

KW - band-like transport

KW - disorder

KW - field-effect transistors

KW - organic single crystals

KW - structure-property relationships

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Tailoring the molecular structure to suppress extrinsic disorder in organic transistors

Abstract

Keywords

ASJC Scopus subject areas

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