Functionalized anthradithiophenes for organic field-effect transistors

Ming Chou Chen, Choongik Kim, Sheng Yu Chen, Yen Ju Chiang, Ming Che Chung, Antonio Facchetti, Tobin J Marks

Research output: Contribution to journalArticle

96 Citations (Scopus)

Abstract

Two new semiconductors for organic thin-film transistors (OTFTs), diperfluorophenyl anthradithiophene (DFPADT) and dimethyl anthradithiophene (DMADT), have been synthesized and characterized. The first material exhibits ambipolar transport in OTFT devices with field-effect mobilities (μ) of 6 × 10-4 cm2 V-1 s-1 and 0.05 cm2 V-1 s-1 for electrons and holes, respectively. Therefore, diperfluorophenyl substitution was found to be effective to induce n-type transport. Dimethyl-substituted anthradithiophene (DMADT) was also synthesized for comparison and exhibited exclusively hole transport with carrier mobility of ∼0.1 cm2 V-1 s -1. Within this semiconductor family, OTFT carrier mobility values are strongly dependent on the semiconductor film growth conditions, substrate deposition temperatures, and gate dielectric surface treatment.

Original languageEnglish
Pages (from-to)1029-1036
Number of pages8
JournalJournal of Materials Chemistry
Volume18
Issue number9
DOIs
Publication statusPublished - 2008

Fingerprint

Organic field effect transistors
Thin film transistors
transistors
field effect transistors
Carrier mobility
carrier mobility
Semiconductor growth
thin films
Semiconductor materials
Gate dielectrics
Film growth
surface treatment
Surface treatment
Substitution reactions
substitutes
Electrons
Substrates
anthradithiophene
electrons
Temperature

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Materials Chemistry
  • Materials Science(all)

Cite this

Chen, M. C., Kim, C., Chen, S. Y., Chiang, Y. J., Chung, M. C., Facchetti, A., & Marks, T. J. (2008). Functionalized anthradithiophenes for organic field-effect transistors. Journal of Materials Chemistry, 18(9), 1029-1036. https://doi.org/10.1039/b715746k

Functionalized anthradithiophenes for organic field-effect transistors. / Chen, Ming Chou; Kim, Choongik; Chen, Sheng Yu; Chiang, Yen Ju; Chung, Ming Che; Facchetti, Antonio; Marks, Tobin J.

In: Journal of Materials Chemistry, Vol. 18, No. 9, 2008, p. 1029-1036.

Research output: Contribution to journalArticle

Chen, MC, Kim, C, Chen, SY, Chiang, YJ, Chung, MC, Facchetti, A & Marks, TJ 2008, 'Functionalized anthradithiophenes for organic field-effect transistors', Journal of Materials Chemistry, vol. 18, no. 9, pp. 1029-1036. https://doi.org/10.1039/b715746k
Chen MC, Kim C, Chen SY, Chiang YJ, Chung MC, Facchetti A et al. Functionalized anthradithiophenes for organic field-effect transistors. Journal of Materials Chemistry. 2008;18(9):1029-1036. https://doi.org/10.1039/b715746k
Chen, Ming Chou ; Kim, Choongik ; Chen, Sheng Yu ; Chiang, Yen Ju ; Chung, Ming Che ; Facchetti, Antonio ; Marks, Tobin J. / Functionalized anthradithiophenes for organic field-effect transistors. In: Journal of Materials Chemistry. 2008 ; Vol. 18, No. 9. pp. 1029-1036.
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