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SOLVENT DEPENDENCE OF THE QUANTUM YIELD OF TRIPLET STATE PRODUCTION OF 9‐PHENYLANTHRACENE
Author(s) -
Horrocks A. R.,
Medinger T.,
Wilkinson F.
Publication year - 1967
Publication title -
photochemistry and photobiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.818
H-Index - 131
eISSN - 1751-1097
pISSN - 0031-8655
DOI - 10.1111/j.1751-1097.1967.tb08786.x
Subject(s) - quantum yield , chemistry , halide , solvent , yield (engineering) , triplet state , photochemistry , atom (system on chip) , absorption (acoustics) , fluorescence , phosphorescence , inorganic chemistry , organic chemistry , molecule , thermodynamics , physics , quantum mechanics , acoustics , computer science , embedded system
— Values of φ T , the quantum yield of triplet state production of 9‐phenylanthracene, have been determined in four different solvents by measuring the effects which ‘heavy atom quenchers’ have on the fluorescence intensity and the triplet state absorption of the solute. A variety of quenchers have been used including organic and inorganic halides and the rare gas, Xenon. There is a converse solvent dependence of φ F and φ T , and for each of the four solvents used φ F +φ T has been found to be unity within experimental error.