Volume 55, Issue 40 pp. 12311-12315
Communication

Fusing Porphyrins and Phospholes: Synthesis and Analysis of a Phosphorus-Containing Porphyrin

Dr. Tomohiro Higashino

Corresponding Author

Dr. Tomohiro Higashino

Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto, 615-8510 Japan

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Tomoki Yamada

Tomoki Yamada

Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto, 615-8510 Japan

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Dr. Tsuneaki Sakurai

Dr. Tsuneaki Sakurai

Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto, 615-8510 Japan

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Prof. Dr. Shu Seki

Prof. Dr. Shu Seki

Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto, 615-8510 Japan

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Prof. Dr. Hiroshi Imahori

Corresponding Author

Prof. Dr. Hiroshi Imahori

Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto, 615-8510 Japan

Institute for Integrated Cell Material Sciences (WPI-iCeMS), Kyoto University, Nishikyo-ku, Kyoto, 615-8510 Japan

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First published: 09 September 2016
Citations: 34

Graphical Abstract

A phosphole-fused porphyrin dimer as a representative of a new class of phosphorus-containing porphyrins was synthesized. This structure exhibits remarkably broadened absorption as well as unique optoelectronic properties and is a good electron acceptor owing to the unique phosphole-fused structure.

Abstract

A phosphole-fused porphyrin dimer, as a representative of a new class of porphyrins with a phosphorus atom, was synthesized for the first time. The porphyrin dimer exhibits remarkably broadened absorption, indicating effective π-conjugation over the two porphyrins through the phosphole moiety. The porphyrin dimer possesses excellent electron-accepting character, which is comparable to that of a representative electron-accepting material, [60]PCBM. These results provide access to a new class of phosphorus-containing porphyrins with unique optoelectronic properties.

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