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Photoexcitations in Oligothiophenes: The Role of Conformation Mobility and Intermolecular Interactions.

Published online by Cambridge University Press:  21 March 2011

Chiara Botta ,
Silvia Destri ,
William Porzio ,
Gianni Bongiovanni ,
Andrea Mura ,
Maria A. Loi ,
Francis Garnier  and
Riccardo Tubino
Chiara Botta
Affiliation:
Istituto di Chimica delle Macromolecole, CNR, Via Bassini 15, 20133 Milano, Italy
Silvia Destri
Affiliation:
Istituto di Chimica delle Macromolecole, CNR, Via Bassini 15, 20133 Milano, Italy
William Porzio
Affiliation:
Istituto di Chimica delle Macromolecole, CNR, Via Bassini 15, 20133 Milano, Italy
Gianni Bongiovanni
Affiliation:
Istituto Nazionale di Fisica della Materia and Dipartimento di Scienze Fisiche, Universitàdi Cagliari, S.P. Monserrato-Sestu km 0.7, 09042 Monserrato (Ca), Italy
Andrea Mura
Affiliation:
Istituto Nazionale di Fisica della Materia and Dipartimento di Scienze Fisiche, Universitàdi Cagliari, S.P. Monserrato-Sestu km 0.7, 09042 Monserrato (Ca), Italy
Maria A. Loi
Affiliation:
Istituto Nazionale di Fisica della Materia and Dipartimento di Scienze Fisiche, Universitàdi Cagliari, S.P. Monserrato-Sestu km 0.7, 09042 Monserrato (Ca), Italy
Francis Garnier
Affiliation:
Laboratoire des Matériaux Moléculaires, CNRS, 2 rue Henry-Dunant, 94320 Thiais, France
Riccardo Tubino
Affiliation:
Istituto Nazionale di Fisica della Materia and Dipartimento di Scienza dei Materiali, Universitàdi Milano “Bicocca”, via Cozzi 53, 20125 Milano, Italy
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Abstract

The optical properties of substituted and unsubstituted oligothiophenes are analysed with respect to their supramolecular organization in the solid state. The spectra typical of the isolated molecules are obtained by reducing the intermolecular interactions by both lateral chain substitution and by inclusion in a host organic crystal. The photophysical properties of the weakly interacting oligothiophenes are strongly influenced by their backbone conformation and conformational mobility. Oligomers included in the channels of a guest crystal show fast torsional relaxation processes during the photoexcitation. Powders of β-substituted oligomers display optical properties dependent on the conformation of their particular chain packing arrangement.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 598: Symposium BB – Electrical, Optical, & Magenetic Properties...V , 1999 , BB8.6
Copyright
Copyright © Materials Research Society 1999

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References

1. Horowitz, G., Valat, P., Garnier, F., Kouki, F., and Wintgens, V., Optical Materials 9, 46 (1998).Google Scholar
2. Deloffre, F., Garnier, F., Srivastava, P., Yassar, A., and Fave, J.-L., Synth. Met. 67, 223 (1994); W. Gebauer, C. Vä terlein, A. Soukopp, M. Sokolowski, R. Hock, H. Port, P. Bä uerle, and E. Umbach, Synth. Met. 87, 127 (1997).Google Scholar
3. Benincori, T., Bongiovanni, G., Botta, C., Cerullo, G., Lanzani, G., Mura, A., Sannicoòl, F., Rossi, L., and Tubino, R., Phys. Rev. B58, 9082 (1998).Google Scholar
4. Barbarella, G., Zambianchi, M., Frenso, M. del Marimon, I, Antolini, L., and Bongini, A., Adv. Mater. 9, 484 (1997).Google Scholar
5. DiCésare, N., Belletête, M., Garcia, E. Rivera, Leclerc, M., and Durocher, G., J. Phys. Chem. A 103, 3864 (1999).Google Scholar
6. Botta, C., Destri, S., Porzio, W., Borghesi, A., Sassella, A., Tubino, R., Bongiovanni, G., Loi, M.A., and Mura, A., Phys. Rev. B60, 6039 (1999).Google Scholar
7. Bosisio, R., Botta, C., Colombo, A., Destri, S., Porzio, W., Grilli, E., Tubino, R., Bongiovanni, G., Mura, A., and Silvestro, G. Di, Synth. Met. 87, 23 (1997).Google Scholar
8. Bongiovanni, G., Botta, C., Brédas, J.L., Cornil, J., Ferro, D.R., Mura, A., Piaggi, A. and Tubino, R., Chem. Phys. Lett. 278 (1997) 146.Google Scholar
9. Botta, C., Ferro, D.R., Silvestro, G. Di and Tubino, R., in Handbook of Advanced Electronic and Photonic Materials, ed. Nalwa, H.S. (Academic Press, New York), to be published.Google Scholar
10. Destri, S., Ferro, D.R., Khotina, I.A., Porzio, W. and Farina, A., Macromol. Chem. Phys. 199, 1973 (1998).Google Scholar
11. Garnier, F., Hajlaoui, R., Kassmi, A. El, Horowitz, G., Laigre, L., Porzio, W., Armanini, M. and Provasoli, F., Chem. Mater. 10, 3334 (1998).Google Scholar
12. Botta, C., Destri, S., Porzio, W., Bongiovanni, G., Loi, M.A., Mura, A. and Tubino, R., submitted for publication.Google Scholar
13. Garnier, F., Yassar, A., Hajlaoui, R., Horowitz, G., Deloffre, F., Servet, B., Ries, S., and Alnot, P., J. Am. Chem. Soc. 115, 8716 (1993).Google Scholar
14. Botta, C., Tubino, R., Garnier, F., Bongiovanni, G., and Mura, A., manuscript in preparation.Google Scholar
15. Khairutdinov, R.F. and Serpone, N., J. Phys. Chem. B 101, 2602 (1997).Google Scholar
16. Botta, C., Treviganti, R., Bongiovanni, G., Mura, A. and Tubino, R., Synth. Met. 101, 565 (1999).Google Scholar
17. Beljonne, D., Cornil, J., Friend, R.H., Janssen, R.A.J., and Brédas, J.L., J. Am. Chem. Soc. 118, 6453 (1996).Google Scholar
18. Lanzani, G., Nisoli, M., Silvestri, S. De and Tubino, R., Chem. Phys. Lett. 251, 339 (1996); K.S. Wong, H. Wang and G. Lanzani, Chem. Phys. Lett. 288, 59 (1998).Google Scholar
19. Cerullo, G., Nisoli, M., Stagira, S., Silvestri, S. De, Lanzani, G., Graupner, W., List, E. and Leising, G., Chem. Phys. Lett. 288, 561 (1998); A. Dogariu, R. Gupta, A.J. Heeger and H. Wang, Synth. Met. 100, 95 (1999).Google Scholar
20. Birnbaum, D., Fichou, D. and Kohler, B.E., J. Chem. Phys. 96, 165 (1992).Google Scholar