Improving Intramolecular Hopping Charge Transport via Periodical Segmentation of π‑Conjugation in a Molecule

Improving Intramolecular Hopping Charge Transport via Periodical Segmentation of π‑Conjugation in a Molecule

The development of several-nanometer-scale π-conjugated systems for efficient intramolecular hopping charge transport remains a significant challenge. To construct localized electronic structures at the same energy in a molecule, a series of oligothiophenes, with lengths up to 10 nm and periodically...

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Veröffentlicht in:Journal of the American Chemical Society 2021-01, Vol.143 (2), p.599-603
Hauptverfasser: Ie, Yutaka, Okamoto, Yuji, Inoue, Takuya, Seo, Takuji, Ohto, Tatsuhiko, Yamada, Ryo, Tada, Hirokazu, Aso, Yoshio
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container_issue 2
container_start_page 599
container_title Journal of the American Chemical Society
container_volume 143
creator Ie, Yutaka
Okamoto, Yuji
Inoue, Takuya
Seo, Takuji
Ohto, Tatsuhiko
Yamada, Ryo
Tada, Hirokazu
Aso, Yoshio
description The development of several-nanometer-scale π-conjugated systems for efficient intramolecular hopping charge transport remains a significant challenge. To construct localized electronic structures at the same energy in a molecule, a series of oligothiophenes, with lengths up to 10 nm and periodically twisted structures, was synthesized. Single-molecule conductance measurements of the twisted molecules revealed resistances lower than those of planar oligothiophenes. This study provides a rational molecular design to improve the intramolecular hopping charge transport in materials.
doi_str_mv 10.1021/jacs.0c10560
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title Improving Intramolecular Hopping Charge Transport via Periodical Segmentation of π‑Conjugation in a Molecule
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