Side-Chain-Induced Rigid Backbone Organization of Polymer Semiconductors through Semifluoroalkyl Side Chains
SCIE
SCOPUS
- Title
- Side-Chain-Induced Rigid Backbone Organization of Polymer Semiconductors through Semifluoroalkyl Side Chains
- Authors
- Kang, B; Kim, R; Lee, SB; Kwon, SK; Kim, YH; CHO, KIL WON
- Date Issued
- 2016-03-23
- Publisher
- ACS Publications
- Abstract
- While high-mobility p-type conjugated polymers have been widely reported, high-mobility n-type conjugated polymers are still rare. In the present work, we designed semifluorinated alkyl side chains and introduced them into naphthalene diimide-based polymers (PNDIF-T2 and PNDIF-TVT). We found that the strong self-organization of these side chains induced a high degree of order in the attached polymer backbones by forming a superstructure composed of "backbone crystals" and "side-chain crystals". This phenomenon was shown to greatly enhance the ordering along the backbone direction, and the resulting polymers thus exhibited unipolar n-channel transport in field-effect transistors with remarkably high electron mobility values of up to 6.50 cm(2) V-1 s(-1) and with a high on-off current ratio of 10(5).
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/37827
- DOI
- 10.1021/JACS.5B10445
- ISSN
- 0002-7863
- Article Type
- Article
- Citation
- JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, vol. 138, no. 11, page. 3679 - 3686, 2016-03-23
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