A Highly Fluorescent σ-Bonded Platinum(II) Diketopyrrolopyrrole Complex

Misaki Kamioka, Yitong Wang, Shigeki Mori, Hiroyuki Furuta, Soji Shimizu

Research output: Contribution to journalArticlepeer-review

Abstract

A σ-bonded platinum(II) diketopyrrolopyrrole (Pt-DPP) complex was synthesized from a reaction of p-pinacolatoborylphenyl-substituted DPP with dichloro(1,5-cyclooctadiene)platinum(II), followed by a ligand exchange reaction with triphenylphosphine. The Pt-DPP complex is highly fluorescent not only in solution but also in the solid state. From the comparison of the emission properties with those of N-benzyl-DPPs bearing phenyl and p-bromophenyl substituents, the intense emission of the Pt-DPP complex is ascribed to the DPP-centered fluorescence. In the solid state, aggregation-caused quenching is mitigated by the well-segregated molecular packing due to the bulky triphenylphosphine ligands. The facile synthesis and unique fluorescence properties of the Pt-DPP complex are beneficial for creating DPP-based functional chromophores.

Original languageEnglish
Article numbere202200081
JournalEuropean Journal of Inorganic Chemistry
Volume2022
Issue number14
DOIs
Publication statusPublished - May 17 2022
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Inorganic Chemistry

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