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J Am Chem Soc. 2003 Nov 5;125(44):13356-7.

Strong two-photon absorption of self-assembled butadiyne-linked bisporphyrin.

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  • 1Graduate School of Materials Science, Nara Institute of Science and Technology, Japan.

Erratum in

  • J Am Chem Soc. 2004 Mar 31;126(12):following 4049.


Two-photon absorption (2PA) properties of self-assembled porphyrins were investigated. The butadiyne-linked porphyrin array exhibited a 20 times larger 2PA cross section than the meso-meso-linked self-assembled array due to the expansion of pi-conjugation. Higher-order nonlinear absorption was also observed in the former porphyrin.

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