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Charge-Transfer-Induced Self-Assembly of Doped Conjugated Block Copolymer Nanofibers

Title
Charge-Transfer-Induced Self-Assembly of Doped Conjugated Block Copolymer Nanofibers
Authors
Narasimha K.Albert S.K.Kim J.Kang H.Kang S.Park J.Park S.-J.
Ewha Authors
박소정박재홍
SCOPUS Author ID
박소정scopus; 박재홍scopus
Issue Date
2023
Journal Title
ACS Macro Letters
ISSN
2161-1653JCR Link
Citation
ACS Macro Letters vol. 12, no. 3, pp. 382 - 388
Publisher
American Chemical Society
Indexed
SCIE; SCOPUS WOS scopus
Document Type
Article
Abstract
Here, we report charge-transfer-driven self-assembly of conjugated block copolymers (BCP) into highly doped conjugated polymer nanofibers. The ground-state integer charge transfer (ICT) between a BCP composed of poly(3-hexylthiophene) and poly(ethylene oxide) (P3HT-b-PEO) and electron-deficient 2,3,5,6-tetrafluoro-7,7,8,8-tetracyanoquinodimethane (F4TCNQ) induced spontaneous self-assembly of the donor and the acceptor into well-defined one-dimensional nanofibers. The presence of the PEO block plays an important role for the self-assembly by providing a polar environment that can stabilize nanoscale charge transfer (CT) assemblies. The doped nanofibers were responsive to various external stimuli such as heat, chemical, and light and exhibited efficient photothermal properties in the near-IR region. The CT-driven BCP self-assembly reported here provides a new platform for the fabrication of highly doped semiconductor nanostructures. © 2023 American Chemical Society.
DOI
10.1021/acsmacrolett.2c00752
Appears in Collections:
자연과학대학 > 화학·나노과학전공 > Journal papers
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