Synthesis and characterization of new fluorescent two-photon absorption chromophores

Ping Hsin Huang, Jiun Yi Shen, Shin Chien Pu, Yuh Sheng Wen, Jiann T. Lin, Pi Tai Chou, Ming Chang P. Yeh

Research output: Contribution to journalArticle

48 Citations (Scopus)

Abstract

A series of dipolar and quadrupolar type two-photon absorption (TPA) compounds has been synthesized and TPA cross sections (σ) were measured by Tisapphire femtosecond laser excitation fluorescence (λ = 800 nm). Among them, the compound [2,5-bis-[5-(4-diphenylaminophenylethynyl)thiophen-2-yl]-[1, 3,4]oxadiazole], 12, has been structurally characterized by X-ray crystallography. The resulting data indicate that the structure of this compound possesses excellent coplanarity. The compounds have arylamines as the donor, and [1,3,4]oxadiazolyl, cyanovinyl or pyridazin-3,6-diyl moiety as the acceptor. Variation of arylamines and pendant alkyl groups was found to have a significant influence on σ values. By an appropriate combination of donor and acceptor, σ values of >103 GM (10-50 cm 4s photon·molecule-1) can be achieved. One quadrupolar molecule (13) possessing an arylamine donor and a pyridazine acceptor has both a high σ value (1442 GM) and σ/MW (1.97 GM/g).

Original languageEnglish
Pages (from-to)850-857
Number of pages8
JournalJournal of Materials Chemistry
Volume16
Issue number9
DOIs
Publication statusPublished - 2006 Apr 10

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Chemistry

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