Photophysics studies of organic compounds VIII. Interaction between excited singlet state of pyrene and aromatic amines
27 Aug 2010-Chinese Journal of Chemistry (Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim)-Vol. 9, Iss: 4, pp 297-304
TL;DR: In this paper, the quenching processes of the excited singlet state of pyrene by triphenylamine, diphenylamines and N,N-dibenzylaniline in various solvents at room and lower temperature have been studied with both static state fluorescence spectroscopy and fluorescence lifetime techniques.
Abstract: The quenching processes of the excited singlet state of pyrene by triphenylamine, diphenylamine and N,N-dibenzylaniline in various solvents at room and lower temperature have been studied with both static state fluorescence spectroscopy and fluorescence lifetime techniques. On the basis of experimental data, a preliminary quenching mechanism has been discussed. The geometrical configuration models of the exciplexes formed between the excited pyrene and aromatic amines in nonpolar solvents were proposed.
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TL;DR: Cristallisation dans Bb avec Z=16; affinement jusqu'a R=0,036 as discussed by the authors, where Z = 16, R = 0,036.
Abstract: Cristallisation dans Bb avec Z=16; affinement jusqu'a R=0,036. Quatre molecules independantes dans le cristal sont apparentees par des elements de supersymetrie selon un mode type paire. Comparaison avec une serie de derives triaryl des elements du groupe V
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