High-mobility bio-organic field effect transistors with photoreactive DNAs as gate insulators

Youn Sun Kim, Ki Hwa Jung, U. Ra Lee, Kyung Hwan Kim, Mai Ha Hoang, Jung Il Jin, Dong Hoon Choi

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

Organic-soluble DNAs bearing chalcone moieties were synthesized by using purified natural sodium DNA. In addition to the chalcone-containing DNA homopolymer (CcDNA), a copolymer (CTMADNA-co-CcDNA) was synthesized. They were employed as gate insulators for fabricating organic thin-film transistors. An organic semiconductor (5, 5′-(9,10-bis((4-hexylphenyl)ethynyl)anthracene- 2,6-yl-diyl)bis(ethyne-2,1-diyl)bis(2-hexylthiophene; HB-ant-THT) was deposited on the photocrosslinked DNA-based gate insulators via a solution process. Interestingly, the resulting TFT devices had extremely high field-effect mobilities, and their corresponding transfer curves indicated low hysteresis. The carrier mobility of the device with HB-ant-THT deposited on the CTMADNA-co-CcDNA gate insulator was the best, i.e., 0.31cm2 V -1 s-1 (Ion/Ioff=1.0× 10 4).

Original languageEnglish
Article number103307
JournalApplied Physics Letters
Volume96
Issue number10
DOIs
Publication statusPublished - 2010 Mar 26

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field effect transistors
deoxyribonucleic acid
insulators
organic semiconductors
anthracene
carrier mobility
copolymers
transistors
hysteresis
sodium
curves
thin films
ions

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

High-mobility bio-organic field effect transistors with photoreactive DNAs as gate insulators. / Kim, Youn Sun; Jung, Ki Hwa; Lee, U. Ra; Kim, Kyung Hwan; Hoang, Mai Ha; Jin, Jung Il; Choi, Dong Hoon.

In: Applied Physics Letters, Vol. 96, No. 10, 103307, 26.03.2010.

Research output: Contribution to journalArticle

Kim, Youn Sun ; Jung, Ki Hwa ; Lee, U. Ra ; Kim, Kyung Hwan ; Hoang, Mai Ha ; Jin, Jung Il ; Choi, Dong Hoon. / High-mobility bio-organic field effect transistors with photoreactive DNAs as gate insulators. In: Applied Physics Letters. 2010 ; Vol. 96, No. 10.
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AU - Jin, Jung Il

AU - Choi, Dong Hoon

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