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Abstrakty
An improved model of the picosecond time-resolved spectrofluorimeter equipped with an optical Kerr shutter was designed and constructed. The instrument was applied for measurements of time-resolved fluorescence (TRF) spectra of 4_-(pyrenyl-1-yl)acetophenone (Py-BK) and 4_-(pyrenyl-1-yl)benzonitrile (Py-BN). The experimental results indicate that both molecules relax after excitation by mutual twisting of two subunits towards a more planar geometry. In the case of Py-BK the kinetics of creation of excited state hydrogen-bonded complexes was discussed in detail.
Słowa kluczowe
Wydawca
Czasopismo
Rocznik
Tom
Strony
961--972
Opis fizyczny
Bibliogr. 16 poz., rys.
Twórcy
autor
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
autor
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
autor
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
autor
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
Bibliografia
- 1. Lippert E., Liider W. and Boos H., Advances in Molecular Spectroscopy, Pergamon, Oxford, 1962. 443.
- 2. Rotkiewicz K., Grabowski Z.R., Krówczyński A. and Kuhnle W., J. Lumin, 12/13, 877 (1976).
- 3. Rettig W. and Bonacić-Koutecky V., Chem. Phys. Lett., 62, 115 (1979).
- 4. Dobkowski J., Kirkor-Kamińska E., Koput J. and Siemiarczuk A., J. Lumin., 27 , 339 (1982).
- 5. Grabowski Z.R., Dobkowski J. and Ktihnle W., J. Mol. Struct., 114, 93 (1984).
- 6. Grabowski Z.R., Rotkiewicz K, Siemiarczuk A., Cowley D.J. and Baumann W., Nouv. J. Chim., 3, 443 (1979).
- 7. Rulltóre C., Grabowski Z.R. and Dobkowski J., Chem. Phys. Lett., 137, 408 (1984).
- 8. Dobkowski J., Wójcik J., Koźmiński W., Kolos R., Waluk J. and Mich l , J Am. Chem Soc., 124, 24C (2002).
- 9. Herbich J. and Kapturkiewicz A., Chem. Phys., 158, 143 (1991); ibid., 170, 221 (1993).
- 10. Rettig W. and Zender M„ Chem. Phys. Lett., 87, 229 (1982).
- 11. Dobkowski J., Waluk J., Yang W., Rulliere C. and Rettig W„ New J. Chem., 21, 429 (1997).
- 12. Dobkowski J., Rettig W. and Waluk J., Phys. Chem. Chem. Phys., 4, 4334 (2002).
- 13. Dobkowski J. and Waluk J., Polish J. Chem., 67, 1389 (1993).
- 14. Herbich J. and Kapturkiewicz A., J. Am. Chem. Soc., 120,1014 (1998).
- 15. Gilabert E., Declemy A. and Rullićre C., Rev. Sci. Instrum., 58, 2049 (1987).
- 16. Horng M.L., Gardecki J.A., Papazyan A. and Maroncelli M., J. Phys. Chem., 99,17311 (1995).
Typ dokumentu
Bibliografia
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bwmeta1.element.baztech-article-BUJ1-0024-0046