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나노 구조 물리 연구단
나노구조물리 연구단
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Singlet Exciton Delocalization in Gold Nanoparticle-Tethered Poly(3-hexylthiophene) Nanofibers with Enhanced Intrachain Ordering

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Title
Singlet Exciton Delocalization in Gold Nanoparticle-Tethered Poly(3-hexylthiophene) Nanofibers with Enhanced Intrachain Ordering
Author(s)
Dongki Lee; Dong Hun Sin; Sang Woo Kim; Hansol Lee; Hye Ryung Byun; Jungho Mun; Woong Sung; Boseok Kang; Dae Gun Kim; Hyomin Ko; Sung Won Song; Mun Seok Jeong; Junsuk Rho; Kilwon Cho
Publication Date
2017-11
Journal
MACROMOLECULES, v.50, no.21, pp.8487 - 8496
Abstract
We fabricated hybrid poly(3-hexylthiophene) nano fibers (P3HT NFs) with rigid backbone organization through the self-assembly of P3HT tethered to gold NPs (P3HT-Au NPs) in an azeotropic mixture of tetrahydrofuran and chloroform. We found that the rigidity of the P3HT chains derives from the tethering of the P3HT chains to the Au NPs and the control of the solubility of P3HT in the solvent. This unique nanostructure of hybrid P3HT NFs self-assembled in an azeotropic mixture exhibits significantly increased delocalization of singlet (S-1) excitons compared to those of pristine and hybrid P3HT NFs self assembled in a poor solvent for P3HT. This strategy for the self-assembly of P3HT-Au NPs that generate long-lived S1 excitons can also be applied to other crystalline conjugated polymers and NPs in various solvents and thus enables improvements in the efficiency of optoelectronic devices. © 2017 American Chemical Society
URI
https://pr.ibs.re.kr/handle/8788114/4046
ISSN
0024-9297
Appears in Collections:
Center for Integrated Nanostructure Physics(나노구조물리 연구단) > Journal Papers (저널논문)
Files in This Item:
Singlet Exciton_Macromolecules_Mun Seok Jeong.pdfDownload

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