Coaxially Conductive Organic Wires Through Self-Assembly

被引：9

作者：

Louie, Shayan ^{[1
]}

Zhong, Yu ^{[4
]}

Bao, Si Tong ^{[1
]}

Schaack, Cedric ^{[1
,2
]}

Montoya, Alvaro ^{[1
]}

Jin, Zexin ^{[1
]}

Orchanian, Nicholas M. ^{[1
]}

Liu, Yang ^{[5
]}

Lei, Wenrui ^{[1
]}

Harrison, Kelsey ^{[1
]}

Hone, James ^{[5
]}

Angerhofer, Alexander ^{[2
]}

Evans, Austin M. ^{[2
,3
]}

Nuckolls, Colin P. ^{[1
]}

机构：

[1] Columbia Univ, Dept Chem, New York, NY 10027 USA

[2] Univ Florida, Dept Chem, Gainesville, FL 32611 USA

[3] George & Josephine Butler Polymer Res Lab, Ctr Macromol Sci & Engn, Gainesville, FL 32611 USA

[4] Cornell Univ, Dept Mat Sci & Engn, Ithaca, NY 14853 USA

[5] Columbia Univ, Dept Mech Engn, New York, NY 10027 USA

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2023年 / 145卷 / 09期

基金：

美国国家卫生研究院; 美国国家科学基金会;

关键词：

POLYANILINE; NANOTUBES;

D O I：

10.1021/jacs.2c12437

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Here, we describe the synthesis of the hexameric macrocyclic aniline (MA[6]), which spontaneously assembles into coaxially conductive organic wires in its oxidized and acidified emeraldine salt (ES) form. Electrical measurements reveal that ESMA[6] exhibits high electrical conductivity (7.5 x 10-2 S center dot cm-1) and that this conductivity is acid-base responsive. Single-crystal Xray crystallography reveals that ES-MA[6] assembles into well-defined trimeric units that then stack into nanotubes with regular channels, providing a potential route to synthetic nanotubes that are leveraged for ion or small molecule transport. Ultraviolet- visible-near-infrared absorbance spectroscopy and electron paramagnetic spectroscopy showcase the interconversion between acidic (conductive) and basic (insulating) forms of these macrocycles and how charge carriers are formed through protonation, giving rise to the experimentally observed high electrical conductivity.

引用

页码：4940 / 4945

页数：6

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