The interplay of different relaxation channels in the excited state dynamics of photoinitiators

Wolf, T. J. A., Fischer, J., Voll, D., Wegener, M., Barner-Kowollik, C., & Unterreiner, A. N. (2013) The interplay of different relaxation channels in the excited state dynamics of photoinitiators. In UNSPECIFIED.

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Different photoinitiators are investigated by femtosecond transient absorption spectroscopy and DFT calculations. Their initiation properties are critically governed by competition between intersystem crossing, fluorescence and internal conversion partly taking place on comparable time scales. It is thereby shown that the S* lifetime cannot serve as a measure for the photoinitiation efficiency. © Owned by the authors, published by EDP Sciences, 2013.

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ID Code: 99367
Item Type: Conference Item (UNSPECIFIED)
Refereed: Yes
Additional Information: Export Date: 5 September 2016
Correspondence Address: Wolf, T.J.A.; Institut für Physikalische Chemie, Karlsruhe Institute of Technology (KIT), 76128 Karlsruhe, Germany; email:
References: Rueggeberg, F.A., (2011) Dent. Mater, 27, p. 39; Biswas, A., Bayer, I.S., Biris, A.S., Wang, T., Dervishi, E., Faupel, F., (2012) Adv. Colloid Interface Sci, 170; Li, L., Gattass, R.R., Gershgoren, E., Hwang, H., Fourkas, J., (2009) Science, 324, p. 910; Fischer, J., Wegener, M., (2012) Laser & Photon. Rev., , DOI: 10. 1002/lpor. 201100046; Voll, D., Junkers, T., Barner-Kowollik, C., (2011) Macromolecules, 44, p. 2542; Wolf, T.J.A., Voll, D., Barner-Kowollik, C., Unterreiner, A.-N., (2012) Macromolecules, 45, p. 2257; Hell, S.W., (2007) Science, 316, p. 1153; Wolf, T.J.A., Fischer, J., Wegener, M., Unterreiner, A.-N., (2011) Opt. Lett., 36, p. 3188; Fischer, J., Wegener, M., (2012) Adv. Mater., 24, pp. OP65; Fischer, J., Von Freymann, G., Wegener, M., (2010) Adv. Mater., 22, p. 3578; Ahlrichs, R., Bär, M., Häser, M., Horn, H., Kölmel, C., (1989) Chem. Phys. Lett., 162, p. 165
DOI: 10.1051/epjconf/20134105008
ISBN: 9782759809561
ISSN: 21016275
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > Institutes > Institute for Future Environments
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Deposited On: 22 Sep 2016 04:50
Last Modified: 22 Sep 2016 04:50

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