Abstract
Intramolecular electronic relaxation processes in a flexible naphthalene–acridine bichromophoric molecule I were studied in solution and in a supersonic jet expansion. Intramolecular electronic energy transfer (intraEET) from the electronically excited naphthalene unit to the acridine moiety and an additional non-radiative decay process, probably intramolecular electron transfer (intraELT) to the acridine unit, of the excited naphthalene group was observed in solution. In a supersonic jet expansion, no indication for intraEET or other interchromophoric interactions was found. The relaxation of the excited naphthalene chromophore in I, under the conditions of supersonic jet expansion, is dominated by intrachromophoric radiationless transitions. The dependence of single vibronic fluorescence lifetimes of jet-cooled I on the excitation frequency is discussed.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.