1997年3月
Singlet energy transfer in bis(phenylethynyl)phenylene-bridged zinc-free base hybrid diporphyrins
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2
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- 巻
- 号
- 3
- 開始ページ
- 479
- 終了ページ
- 484
- 記述言語
- 英語
- 掲載種別
- 研究論文(学術雑誌)
- 出版者・発行元
- ROYAL SOC CHEMISTRY
A set of bis(phenylethynyl)phenylene-bridged diporphyrins 1-3 has been prepared by the acid-catalysed double condensation reaction of bis(4-formylphenylethynyl)benzene 8 and 9, and 3,5-di-tert-butylbenzaldehyde 11 with bis(3-hexyl-4-methylpyrrol-2-yl)methane 12 or the Pd-0-catalysed coupling reaction of acetylene-substituted porphyrin 14 with 1,4-diiodobenzene. Intramolecular singlet excitation energy transfer in Zn-free base hybrid diporphyrins 1-3(ZH) has been studied by picosecond time-resolved fluorescence spectroscopy. The determined k(EN), values are in the order of 1(ZH) > 2(ZH) approximate to 3(ZH). The energy transfer mechanism is discussed in terms of varying contribution of through-space and through-bond interactions.
- リンク情報
- ID情報
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- ISSN : 0300-9580
- Web of Science ID : WOS:A1997WN48100013