Enhancing one-dimensional charge transport through intermolecular π-electron delocalization:: Conductivity improvement for organic nanobelts

被引：232

作者：

Che, Yanke

Datar, Aniket

Yang, Xiaomei

Naddo, Tammene

Zhao, Jincai ^{[1
]}

Zang, Ling

机构：

[1] So Illinois Univ, Dept Chem & Biochem, Carbondale, IL 62901 USA

[2] Chinese Acad Sci, Inst Chem, Key Lab Photochem, Beijing 100080, Peoples R China

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2007年 / 129卷 / 20期

关键词：

D O I：

10.1021/ja070164g

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Effective pi-electron delocalization within a PTCDI nanobelt, for which the one-dimensional molecular arrangement is dominated by the cofacial pi-pi stacking, has been characterized by both electron spin resonance (ESR) spectrometry and current-voltage (I-V) measurement. The long-range pi-electron delocalization enables dramatic enhancement of electrical conductivity of the nanobelt through external-charge doping. When immersed in saturated hydrazine vapor, about 3 orders of magnitude increase in conductivity was achieved for the PTCDI nanobelt, implying potential application of the nanomaterials in electrical sensing of reducing gaseous species such as organic amines.

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页码：6354 / +

页数：3

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