Picosecond time-resolved absorption and emission studies of the singlet excited states of acenaphthylene

Picosecond time-resolved absorption and emission studies of the singlet excited states of acenaphthylene

Radiative and nonradiative processes in acenaphthylene have been examined by a combination of steady-state and picosecond time-resolved emission and transient absorption measurements. Fluorescence from a higher excited state (S{sub 2}) is found to compete with the nonradiative decay of this state. A...

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Veröffentlicht in:Journal of physical chemistry (1952) 1990-09, Vol.94 (18), p.7106-7110
Hauptverfasser: Samanta, Anunay, Devadoss, Chelladurai, Fessenden, Richard W
Format: Artikel
Sprache:eng
Schlagworte:
400500 - Photochemistry
ABSORPTION SPECTROSCOPY
ACENAPHTHENE
Analytical chemistry
AROMATICS
CHEMISTRY
CONDENSED AROMATICS
CONVERSION
DATA
DECAY
EMISSION SPECTROSCOPY
ENERGY LEVELS
Exact sciences and technology
EXCITED STATES
EXPERIMENTAL DATA
FLUORESCENCE
HYDROCARBONS
INFORMATION
INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY
INTERNAL CONVERSION
LUMINESCENCE
NUCLEAR DECAY
NUMERICAL DATA
ORGANIC COMPOUNDS
PHOTOCHEMISTRY
Spectrometric and optical methods
SPECTROSCOPY
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Beschreibung
Zusammenfassung:Radiative and nonradiative processes in acenaphthylene have been examined by a combination of steady-state and picosecond time-resolved emission and transient absorption measurements. Fluorescence from a higher excited state (S{sub 2}) is found to compete with the nonradiative decay of this state. A lifetime of
ISSN:0022-3654
1541-5740
DOI:10.1021/j100381a030