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
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DOI：
10.1021/jacs.0c10560
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发表时间：
2021-01-20
影响因子：
15
通讯作者：
Aso, Yoshio
中科院分区：
文献类型：
--
作者：
Ie, Yutaka;Okamoto, Yuji;Aso, Yoshio
几个纳米尺度的it共轭系统的发展，有效的分子内跳跃电荷传输仍然是一个重大的挑战。为了在分子中构建具有相同能量的局域电子结构，合成了一系列长度可达10 nm且具有周期性扭曲结构的寡聚噻吩。扭曲分子的单分子电导测量显示电阻低于那些平面oligothiophenes。本研究为提高材料中分子内跳跃电荷输运提供了一种合理的分子设计方法。
The development of several-nanometer-scale it-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.