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alpha,omega-Dihexylthienoselenophene derivatives: a new class of high-performance semiconductors for organic thin-film transistors
- Authors
- Cho, Nam Sung; Lee, Sang Kyu; Seo, Jung Hwa; Elbing, Mark; Azoulay, Jason D.; Park, Juhyun; Cho, Shinuk; Heeger, Alan J.; Bazan, Guillermo C.
- Issue Date
- Nov-2008
- Publisher
- ROYAL SOC CHEMISTRY
- Citation
- JOURNAL OF MATERIALS CHEMISTRY, v.18, no.41, pp 4909 - 4911
- Pages
- 3
- Journal Title
- JOURNAL OF MATERIALS CHEMISTRY
- Volume
- 18
- Number
- 41
- Start Page
- 4909
- End Page
- 4911
- ISSN
- 0959-9428
1364-5501
- Abstract
- alpha,omega-Dihexylthienoselenophenes (Se2Thx) are readily prepared oligomeric species that can be used as the semiconducting layer in organic thin film transistors (TFTs). These selenophene-containing oligomers exhibit high hole mobilities (0.023 and 0.16 cm(2) V-1 s(-1)) and good on/off ratio (10(5)-10(6)) that are improved relative to their sulfur-containing counterparts. X-Ray diffraction measurements and atomic force microscopy give insight into the internal structure and surface topography of the materials.
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