摘要 |
A porphyrin array exhibiting a large two-photon absorption property, and being linked with an acetylenic bond(s), represented by the following formulas: wherein R<SUB>1 </SUB>represents an alkyl or aryl group, M<SUB>1 </SUB>represents a metal ion capable of serving as a core metal and forming a coordinate bond with Im, M<SUB>2 </SUB>represents two protons or a metal ion incapable of forming a coordinate bond with Im, R<SUB>2 </SUB>and R<SUB>3 </SUB>represent a group selected from a porphyrin residue or porphyrin metal complex residue, a cyclic diimide residue, a dialkylviologen residue, a benzoquinone residue, an N-methylpyrrolidine-fullerene derivative residue and a ferrocene residue, Im is represented by Im<SUB>1 </SUB>or Im<SUB>2</SUB>: (R<SUB>8 </SUB>represents methyl or H), L<SUB>1 </SUB>represents -(-C≡C-)<SUB>m</SUB>- (m=1 to 3); n represents an integer of 1 or more; R<SUB>9 </SUB>represents one of R<SUB>1</SUB>, R<SUB>2</SUB>, R<SUB>3 </SUB>and Im.
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