Observation of unusual, highly conductive grain boundaries in high-mobility phase separated organic semiconducting blend films probed by lateral-transport conductive-AFM

Simon Hunter; Thomas D. Anthopoulos

doi:10.1002/adma.201300020

Observation of unusual, highly conductive grain boundaries in high-mobility phase separated organic semiconducting blend films probed by lateral-transport conductive-AFM

Simon Hunter, Thomas D. Anthopoulos

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

53 Scopus citations

Abstract

The effect of grain boundaries in high hole mobility organic blend films of diF-TES ADT:PTAA is evaluated using conductive-AFM measurements revealing the presence of unusually conductive grain boundaries. The latter characteristic has not been reported previously for any other organic semiconducting film system and is believed to underpin the excellent and morphology-independent hole transport characteristics seen in these composite films.

Original language	English (US)
Pages (from-to)	4320-4326
Number of pages	7
Journal	Advanced Materials
Volume	25
Issue number	31
DOIs	https://doi.org/10.1002/adma.201300020
State	Published - Aug 21 2013
Externally published	Yes

Keywords

charge transport
conductive AFM
grain boundary
organic blend semiconductors
organic transistors

ASJC Scopus subject areas

General Materials Science
Mechanics of Materials
Mechanical Engineering

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10.1002/adma.201300020

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abstract = "The effect of grain boundaries in high hole mobility organic blend films of diF-TES ADT:PTAA is evaluated using conductive-AFM measurements revealing the presence of unusually conductive grain boundaries. The latter characteristic has not been reported previously for any other organic semiconducting film system and is believed to underpin the excellent and morphology-independent hole transport characteristics seen in these composite films.",

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AB - The effect of grain boundaries in high hole mobility organic blend films of diF-TES ADT:PTAA is evaluated using conductive-AFM measurements revealing the presence of unusually conductive grain boundaries. The latter characteristic has not been reported previously for any other organic semiconducting film system and is believed to underpin the excellent and morphology-independent hole transport characteristics seen in these composite films.

KW - charge transport

KW - conductive AFM

KW - grain boundary

KW - organic blend semiconductors

KW - organic transistors

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Observation of unusual, highly conductive grain boundaries in high-mobility phase separated organic semiconducting blend films probed by lateral-transport conductive-AFM

Abstract

Keywords

ASJC Scopus subject areas

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