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Indolo[3,2-b]carbazole-Based Thin-Film Transistors with High Mobility and Stability
Abstract
Proper functionalization of indolo[3,2-b]carbazole led to a new class of high-performance organic semiconductors suitable for organic thin-film transistor (OTFT) applications. While 5,11-diaryl-substituted indolo[3,2-b]carbazoles without long alkyl side chains provided amorphous thin films upon vacuum deposition, those with sufficiently long alkyl side chains such as 5,11-bis(4-octylphenyl)indolo[3,2-b]carbazole self-organized readily into highly crystalline layered structures under similar conditions. OTFTs using channel semiconductors of this nature exhibited excellent field-effect properties, with mobility up to 0.12 cm(2) V(-1) s(-1) and current on/off ratio to 10(7). As this class of organic semiconductors has relatively low HOMO levels and large band gaps, they also displayed good environmental stability even with prolonged exposure to amber light, an appealing characteristic for OTFT applications.
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Cited by
Li, F., Guo, S., Qin, Y., Shi, Y., Han, M., An, Z., Liu, S., Zhao, Q., & Huang, W. (2019) · Advanced Optical Materials · doi:10.1002/adom.201900511 · Cited by 78
Structure–charge transport relationship of 5,15-dialkylated porphyrins
Zhou, L., Xu, Z.-X., Zhou, Y., Feng, Y., Zhou, X.-G., Xiang, H.-F., & Roy, V. A. L. (2012) · Chemical Communications · doi:10.1039/c2cc31137b · Cited by 13
Metadata
- Authors
- Wu, Y., Li, Y., Gardner, S., & Ong, B. S.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2004-12-09
- Volume
- 127
- Issue
- 2
- Pages
- 614-618
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2062789539
- Cited by
- 349
- References
- 0
- FWCI
- 13.08
- Type
- journal article
- Language
- en
- Open access
- closed
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- Wu, Y., Li, Y., Gardner, S., & Ong, B. S. (2005). Indolo[3,2-b]carbazole-Based Thin-Film Transistors with High Mobility and Stability. Journal of the American Chemical Society. https://doi.org/10.1021/ja0456149
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