Photo-assisted molecular engineering in solution-processed organic thin-film transistors with a blended semiconductor for high mobility anisotropy

Jaehoon Park; Chang Min Keum; Jae Hyun Kim; Sin Doo Lee; Maricia Payne; Michael Petty; John E. Anthony; Jin Hyuk Bae

doi:10.1063/1.4774001

Photo-assisted molecular engineering in solution-processed organic thin-film transistors with a blended semiconductor for high mobility anisotropy

Jaehoon Park, Chang Min Keum, Jae Hyun Kim, Sin Doo Lee, Maricia Payne, Michael Petty, John E. Anthony, Jin Hyuk Bae

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

12 Scopus citations

Abstract

This paper reports a viable method for enhancing mobility anisotropy in solution-processed organic thin-film transistors (TFTs) by irradiating linearly polarized ultraviolet (LPUV) light onto a 6,13-bis(triisopropylsilylethynyl)- pentacene (TIPS-pentacene)/poly (vinyl cinnamate) (PVCi) blended semiconductor film. The needle-like crystalline domains in the blended semiconductor film were aligned along the polarization direction of the LPUV light, suggesting that TIPS-pentacene molecules are oriented anisotropically due to an intermolecular interaction and aggregation with the photo-aligned PVCi molecules. The mobility anisotropy reached up to about 50, which is the highest value achieved in solution-processed organic TFTs with a polymeric insulator.

Original language	English
Article number	013306
Journal	Applied Physics Letters
Volume	102
Issue number	1
DOIs	https://doi.org/10.1063/1.4774001
State	Published - Jan 7 2013

Bibliographical note

Funding Information:
This work was supported by the Kyungpook National University Research Fund, 2012. One of the authors (S.D.L.) would like to thank the National Research Foundation of Korea under the Ministry of Education, Science and Technology of Korea for the financial support through the Grant No. 2011-0028422.

Funding

This work was supported by the Kyungpook National University Research Fund, 2012. One of the authors (S.D.L.) would like to thank the National Research Foundation of Korea under the Ministry of Education, Science and Technology of Korea for the financial support through the Grant No. 2011-0028422.

Funders	Funder number
Kyungpook National University
National Research Foundation of Korea
Ministry of Education, Culture, Sports, Science and Technology	2011-0028422

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.4774001

Cite this

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title = "Photo-assisted molecular engineering in solution-processed organic thin-film transistors with a blended semiconductor for high mobility anisotropy",

abstract = "This paper reports a viable method for enhancing mobility anisotropy in solution-processed organic thin-film transistors (TFTs) by irradiating linearly polarized ultraviolet (LPUV) light onto a 6,13-bis(triisopropylsilylethynyl)- pentacene (TIPS-pentacene)/poly (vinyl cinnamate) (PVCi) blended semiconductor film. The needle-like crystalline domains in the blended semiconductor film were aligned along the polarization direction of the LPUV light, suggesting that TIPS-pentacene molecules are oriented anisotropically due to an intermolecular interaction and aggregation with the photo-aligned PVCi molecules. The mobility anisotropy reached up to about 50, which is the highest value achieved in solution-processed organic TFTs with a polymeric insulator.",

author = "Jaehoon Park and Keum, {Chang Min} and Kim, {Jae Hyun} and Lee, {Sin Doo} and Maricia Payne and Michael Petty and Anthony, {John E.} and Bae, {Jin Hyuk}",

note = "Funding Information: This work was supported by the Kyungpook National University Research Fund, 2012. One of the authors (S.D.L.) would like to thank the National Research Foundation of Korea under the Ministry of Education, Science and Technology of Korea for the financial support through the Grant No. 2011-0028422.",

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AU - Park, Jaehoon

AU - Keum, Chang Min

AU - Kim, Jae Hyun

AU - Lee, Sin Doo

AU - Payne, Maricia

AU - Petty, Michael

AU - Anthony, John E.

AU - Bae, Jin Hyuk

N1 - Funding Information: This work was supported by the Kyungpook National University Research Fund, 2012. One of the authors (S.D.L.) would like to thank the National Research Foundation of Korea under the Ministry of Education, Science and Technology of Korea for the financial support through the Grant No. 2011-0028422.

PY - 2013/1/7

Y1 - 2013/1/7

N2 - This paper reports a viable method for enhancing mobility anisotropy in solution-processed organic thin-film transistors (TFTs) by irradiating linearly polarized ultraviolet (LPUV) light onto a 6,13-bis(triisopropylsilylethynyl)- pentacene (TIPS-pentacene)/poly (vinyl cinnamate) (PVCi) blended semiconductor film. The needle-like crystalline domains in the blended semiconductor film were aligned along the polarization direction of the LPUV light, suggesting that TIPS-pentacene molecules are oriented anisotropically due to an intermolecular interaction and aggregation with the photo-aligned PVCi molecules. The mobility anisotropy reached up to about 50, which is the highest value achieved in solution-processed organic TFTs with a polymeric insulator.

AB - This paper reports a viable method for enhancing mobility anisotropy in solution-processed organic thin-film transistors (TFTs) by irradiating linearly polarized ultraviolet (LPUV) light onto a 6,13-bis(triisopropylsilylethynyl)- pentacene (TIPS-pentacene)/poly (vinyl cinnamate) (PVCi) blended semiconductor film. The needle-like crystalline domains in the blended semiconductor film were aligned along the polarization direction of the LPUV light, suggesting that TIPS-pentacene molecules are oriented anisotropically due to an intermolecular interaction and aggregation with the photo-aligned PVCi molecules. The mobility anisotropy reached up to about 50, which is the highest value achieved in solution-processed organic TFTs with a polymeric insulator.

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Photo-assisted molecular engineering in solution-processed organic thin-film transistors with a blended semiconductor for high mobility anisotropy

Abstract

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