Energy relaxation dynamics of excited triplet states of directly linked Zn(II)porphyrin arrays

Nam Woong Song, Hyun Sun Cho, Min Chul Yoon, Naoki Aratani, Atsuhiro Osuka, Dongho Kim

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The energy relaxation dynamics of the lowest excited singlet and triplet states of the zn(II)porphyrin monomer and its directly linked arrays were comparatively investigated with increasing the number of porphyrin moieties. While the fluorescence decay rates and quantum yields of the porphyrin arrays increased with the increase of porphyrin units, their triplet-triplet (T-T) absorption spectra and decay times remained almost the same. The difference in the trends of energy relaxation dynamics between the excited singlet and triplet states has been discussed in view of the electronic orbital configurations.

Original languageEnglish
Pages (from-to)271-276
Number of pages6
JournalBulletin of the Korean Chemical Society
Issue number2
Publication statusPublished - 2002 Feb 20


All Science Journal Classification (ASJC) codes

  • Chemistry(all)

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