Ferrocene-Substituted Naphthalenediimide with Broad Absorption and Electron-Transport Properties in the Segregated-Stack Structure

Atsuro Takai, Daisuke Sakamaki, Shu Seki, Yoshitaka Matsushita, Masayuki Takeuchi

研究成果: ジャーナルへの寄稿学術論文査読

13 被引用数 (Scopus)

抄録

A new naphthalenediimide (NDI) molecule, where two ferrocene (Fc) units were directly attached to both imide nitrogens (Fc-NDI-Fc), was synthesized. The Fc units provide high crystallinity to Fc-NDI-Fc with good solubility to conventional organic solvents. The Fc units also work as electron-donating substituents, in contrast to the electron-deficient NDI unit, resulting in broad charge-transfer absorption of Fc-NDI-Fc from the UV region to 1500 nm in the solid state. The crystal structure analysis revealed that Fc-NDI-Fc formed a segregated-stack structure. The DFT calculation based on the crystal structure showed that the NDI π-orbitals extended over two axes. The extended π-network of the NDI units led to the electron-transport properties of Fc-NDI-Fc, which was confirmed using a flash-photolysis time-resolved microwave conductivity technique.

本文言語英語
ページ(範囲)7385-7388
ページ数4
ジャーナルChemistry - A European Journal
22
22
DOI
出版ステータス出版済み - 2016 5月 23

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