Modulation of charge transport through single-molecule bilactam junctions by tuning hydrogen bonds

被引：10

作者：

Chen, Yaorong ^{[1
]}

Wang, Hua-Chun ^{[2
]}

Tang, Yongxiang ^{[1
]}

Zhou, Yu ^{[1
]}

Huang, Longfeng ^{[1
]}

Cao, Jian ^{[2
]}

Tang, Chun ^{[1
]}

Zhang, Manxi ^{[1
]}

Shi, Jia ^{[1
]}

Liu, Junyang ^{[1
]}

Ren, Xiancheng ^{[2
]}

Xu, Yun-Xiang ^{[2
]}

Hong, Wenjing ^{[1
,3
]}

机构：

[1] Xiamen Univ, Coll Chem & Chem Engn, State Key Lab Phys Chem Solid Surfaces, iChEM, Xiamen 361005, Peoples R China

[2] Sichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China

[3] Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China

来源：

CHEMICAL COMMUNICATIONS | 2021年 / 57卷 / 15期

基金：

国家重点研发计划;

关键词：

Intra-molecular hydrogen bonds - Planarization - Side groups - Single molecule - Single-molecule junctions - Transmission channels - Twisting angle;

D O I：

10.1039/d0cc07423c

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Bilactam derivatives with different side groups were synthesized and the twisting angle tuning effect induced by the intramolecular hydrogen bond on the charge transport through their single-molecule junctions was investigated. Molecules with strong intramolecular hydrogen bonds exhibited twice higher conductance because of the reduced dihedral twisting, which was reversible with the addition of hydrogen bond destroying solvent. Our findings reveal that the presence of intramolecular hydrogen bonds promotes the planarization of the molecular structure without additional transmission channels, offering a new strategy for controlling molecular switches via tuning the molecular twisting.

引用

页码：1935 / 1938

页数：4

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