Designs of Functional π-Electron Materials based on the Characteristic Features of Boron

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  • Wakamiya Atsushi
    Institute for Chemical Research, Kyoto University
  • Yamaguchi Shigehiro
    Department of Chemistry, Graduate School of Science, and Institute of Transformative Bio-Molecules (WPI-ITbM), Nagoya University

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  • Award Accounts : The Chemical Society of Japan Award for Young Chemists for 2008 : Designs of Functional π-Electron Materials based on the Characteristic Features of Boron

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Abstract

Boron, a group 13 element, has several characteristic structural and electronic features: 1) trivalent boron compounds usually adopt a trigonal planar geometry; 2) due to the presence of a vacant p-orbital, effective orbital interaction with π-conjugated compounds is possible; 3) the presence of a vacant p-orbital is furthermore responsible for high Lewis acidity; 4) the boryl group acts as a π-electron-accepting group particularly in the excited state. The consequent exploitation of these characteristic features of boron in the molecular design enables us to produce sophisticated π-functional materials with attractive photophysical and electronic properties. This account article illustrates our systematic studies on the molecular design and the development of functional π-electron materials using boron as a key element.

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