C70: intersystem crossing and singlet oxygen production

Autor:	Rebecca R. Hung, Joseph J. Grabowski
Rok vydání:	1992
Předmět:	Photoacoustic effect education.field_of_study Singlet oxygen Population General Physics and Astronomy chemistry.chemical_element Photochemistry Oxygen Toluene chemistry.chemical_compound Intersystem crossing chemistry Singlet state Physical and Theoretical Chemistry Benzene education
Zdroj:	Chemical Physics Letters. 192:249-253
ISSN:	0009-2614
DOI:	10.1016/0009-2614(92)85460-r
Popis:	Time-resolved, pulsed-laser photoacoustic calorimetry has been utilized to investigate the photophysics of the fullerene C70 in benzene and toluene solutions at room temperature for excitation at three wavelengths from 337 to 510 nm. Analysis of the data indicates that C70 exhibits wavelength-independent population of T1: Φisc = 0.97 ± 0.03. Data taken in the presence of the quencher oxygen show that C70(T1) is an efficient, but not quantitative, sensitizer for singlet oxygen: SΔ = 0.89 ± 0.04.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::70d84a09f096c5f6b7a93bb0e828a2b4 https://doi.org/10.1016/0009-2614(92)85460-r Zobrazit plný text záznamu