Triplet state of protoporphyrin IX

1 January 1978

journal article
research article
Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications

No. 2,p. 51-52
https://doi.org/10.1039/c39780000051

Abstract

Flash photolysis of aqueous solutions of protoporphyrin IX at pH values below 2 results in strong triplet state absorptions while at any higher pH, including physiologically relevant values, no triplet state formation can be detected.