Organic field-effect transistors based on semiconducting porphyrin single crystals

Mai Ha Hoang; Dong Hoon Choi; Suk Joong Lee

doi:10.1016/j.synthmet.2012.01.005

Organic field-effect transistors based on semiconducting porphyrin single crystals

Mai Ha Hoang, Dong Hoon Choi, Suk Joong Lee

Department of Chemistry

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

12 Citations (Scopus)

Abstract

Porphyrin offers a variety of optical, electrochemical, and catalytic properties from the central metal and structural modifications. However, porphyrins have been relatively less investigated for their semiconducting properties. In this work, we report on the design and synthesis of new solution processable semiconducting porphyrins 2TBPH and 2TBPZ. They contain two 5-hexylthiophen-2-yl ethynyl phenyl arms and produce smooth films and high quality single-crystals. The single-crystal field effect transistors from 2TBTZ show a maximum field effect mobility of ∼0.36 cm ² V ^-1 s ^-1 with a high current on/off ratio of 2 × 10 ³. Remarkably, the mobilities of single-crystal devices are two orders higher than those of thin-film based transistor devices.

Original language	English
Pages (from-to)	419-425
Number of pages	7
Journal	Synthetic Metals
Volume	162
Issue number	5-6
DOIs	https://doi.org/10.1016/j.synthmet.2012.01.005
Publication status	Published - 2012 Apr

Keywords

Field-effect transistors
Porphyrins
Semiconductors
Single crystals
Thin films

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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title = "Organic field-effect transistors based on semiconducting porphyrin single crystals",

abstract = "Porphyrin offers a variety of optical, electrochemical, and catalytic properties from the central metal and structural modifications. However, porphyrins have been relatively less investigated for their semiconducting properties. In this work, we report on the design and synthesis of new solution processable semiconducting porphyrins 2TBPH and 2TBPZ. They contain two 5-hexylthiophen-2-yl ethynyl phenyl arms and produce smooth films and high quality single-crystals. The single-crystal field effect transistors from 2TBTZ show a maximum field effect mobility of ∼0.36 cm 2 V -1 s -1 with a high current on/off ratio of 2 × 10 3. Remarkably, the mobilities of single-crystal devices are two orders higher than those of thin-film based transistor devices.",

keywords = "Field-effect transistors, Porphyrins, Semiconductors, Single crystals, Thin films",

author = "Hoang, {Mai Ha} and Choi, {Dong Hoon} and Lee, {Suk Joong}",

note = "Funding Information: The authors acknowledge the financial supports from the Korea Research Foundation Program ( NRF20110003500 and NRF20110016989 ) and Priority Research Centers Program ( NRF20110018396 ) through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology (MEST) . Copyright: Copyright 2012 Elsevier B.V., All rights reserved.",

year = "2012",

month = apr,

doi = "10.1016/j.synthmet.2012.01.005",

language = "English",

volume = "162",

pages = "419--425",

journal = "Synthetic Metals",

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AU - Hoang, Mai Ha

AU - Choi, Dong Hoon

AU - Lee, Suk Joong

N1 - Funding Information: The authors acknowledge the financial supports from the Korea Research Foundation Program ( NRF20110003500 and NRF20110016989 ) and Priority Research Centers Program ( NRF20110018396 ) through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology (MEST) . Copyright: Copyright 2012 Elsevier B.V., All rights reserved.

PY - 2012/4

Y1 - 2012/4

N2 - Porphyrin offers a variety of optical, electrochemical, and catalytic properties from the central metal and structural modifications. However, porphyrins have been relatively less investigated for their semiconducting properties. In this work, we report on the design and synthesis of new solution processable semiconducting porphyrins 2TBPH and 2TBPZ. They contain two 5-hexylthiophen-2-yl ethynyl phenyl arms and produce smooth films and high quality single-crystals. The single-crystal field effect transistors from 2TBTZ show a maximum field effect mobility of ∼0.36 cm 2 V -1 s -1 with a high current on/off ratio of 2 × 10 3. Remarkably, the mobilities of single-crystal devices are two orders higher than those of thin-film based transistor devices.

AB - Porphyrin offers a variety of optical, electrochemical, and catalytic properties from the central metal and structural modifications. However, porphyrins have been relatively less investigated for their semiconducting properties. In this work, we report on the design and synthesis of new solution processable semiconducting porphyrins 2TBPH and 2TBPZ. They contain two 5-hexylthiophen-2-yl ethynyl phenyl arms and produce smooth films and high quality single-crystals. The single-crystal field effect transistors from 2TBTZ show a maximum field effect mobility of ∼0.36 cm 2 V -1 s -1 with a high current on/off ratio of 2 × 10 3. Remarkably, the mobilities of single-crystal devices are two orders higher than those of thin-film based transistor devices.

KW - Field-effect transistors

KW - Porphyrins

KW - Semiconductors

KW - Single crystals

KW - Thin films

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JF - Synthetic Metals

SN - 0379-6779

IS - 5-6

ER -

Organic field-effect transistors based on semiconducting porphyrin single crystals

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Keywords

ASJC Scopus subject areas

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