Organic letters

Oligo (p-phenyleneethynylene) s with hydrogen-bonded coplanar conformation

W Hu, N Zhu, W Tang, D Zhao

Index: Hu, Wei; Zhu, Ningbo; Tang, Wen; Zhao, Dahui Organic Letters, 2008 , vol. 10, # 13 p. 2669 - 2672

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Citation Number: 43

Abstract

A series of monodispersed oligo (p-phenyleneethynylene) s were synthesized bearing intramolecular hydrogen bonds between side chains of adjacent phenylene units in the backbone. Thus, all repeating units of the molecules are constrained in a coplanar orientation. Such planarized conformation is considered favorable for single-molecule conductance. Photophysical characterization results show narrowed bandgaps and ...

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