Triplet lifetime determination by laser-induced optoacoustic spectroscopy. benzophenone/iodide revisited

✍ Scribed by Klaus Heihoff; Silvia E. Braslavsky

• Book ID: 103027107
• Publisher: Elsevier Science
• Year: 1986
• Tongue: English
• Weight: 539 KB
• Volume: 131
• Category: Article
• ISSN: 0009-2614
• DOI: 10.1016/0009-2614(86)80541-3

✦ Synopsis

Time-resolved laser-induced optoacoustic spectroscopy yields the lifetime of the benzophenone triplet with various concentrations of KI as quencher. A broad band piezoelectric PVFs detector permits the time-resolved detection of the pressure wave. The lifetimes are in good agreement with values obtained from flash photolysis. The dynamic time range of the method is in the nanosecond-microsecond region.