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Large Two-Photon Absorption (TPA) cross-section of directly linked fused diporphyrins

  • Deok Yun Kim
  • , Tae Kyu Ahn
  • , Jung Ho Kwon
  • , Dongho Kim
  • , Takahisa Ikeue
  • , Naoki Aratani
  • , Atsuhiro Osuka
  • , Motoyuki Shigeiwa
  • , Shuichi Maeda
  • Yonsei University
  • Kyoto University
  • Mitsubishi Chemical Holdings Corporation

Research output: Contribution to journalArticlepeer-review

Abstract

The excited state dynamics and two-photon absorption properties of four novel triply linked porphyrin dimers in toluene have been investigated. The fused porphyrin dimers exhibit extremely increased two-photon absorption cross-section values (12 000-15 000 GM) compared with porphyrin monomers owing to much enhanced π-electron delocalization throughout the porphyrin dimer ring.

Original languageEnglish
Pages (from-to)2996-2999
Number of pages4
JournalJournal of Physical Chemistry A
Volume109
Issue number13
DOIs
StatePublished - 7 Apr 2005
Externally publishedYes

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