Chromophore fluorination enhances crystallization and stability of soluble anthradithiophene semiconductors
- Authors
- Subramanian, Sankar; Park, Sung Kyu; Parkin, Sean R.; Podzorov, Vitaly; Jackson, Thomas N.; Anthony, John E.
- Issue Date
- Mar-2008
- Publisher
- AMER CHEMICAL SOC
- Citation
- JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, v.130, no.9, pp 2706 - 2707
- Pages
- 2
- Journal Title
- JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
- Volume
- 130
- Number
- 9
- Start Page
- 2706
- End Page
- 2707
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/51204
- DOI
- 10.1021/ja073235k
- ISSN
- 0002-7863
1520-5126
- Abstract
- We report dramatic improvements in the stability and crystallinity arising from partial fluorination of soluble anthradithiophene derivatives. These fluorinated materials still behave as p-type semiconductors but with dramatic increases in thermal and photostability compared to the non-fluorinated derivatives. The triethylsilyl-substituted material forms highly crystalline films even from spincast solutions, leading to devices with maximum hole mobility greater than 1.0 cm(2)N s. In contrast, the triisopropylsilyl derivative forms large, high-quality crystals that could serve as the substrate for transistor fabrication. For this compound, mobility as high as 0.1 cm(2)N S Was measured on the freestanding crystal.
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Collections - College of ICT Engineering > School of Electrical and Electronics Engineering > 1. Journal Articles
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