Singlet-singlet and triplet-triplet abso
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R. Gadonas; R. Kapočiūt≐; V. Krasauskas; A. Piskarskas; R. Rotomskis
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Article
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1986
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Elsevier Science
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English
⚖ 276 KB
The excited singlet and triplet absorption spectra of hematoporphyrin diacetate are presented. Extinction coefficients in the spectral range 420-700 nm are estimated. Two possible mechanisms of step excitation are proposed. The maximal stepexcitation efficiency is achieved at 450 nm.