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Chemek, M., Chebil, S., Ben Amor, S., Khlaifia, D., Faulques, E., Said, A. H. & Alimi, K. (2021) Chemical insertion of anthracene moiety into the backbone of a newly synthesized oligophenylene (OMPA): effect on the photo-physical properties. RESEARCH ON CHEMICAL INTERMEDIATES, 47 3437–3451.
Added by: Richard Baschera (2022-10-26 07:43:34) Last edited by: Richard Baschera (2022-10-26 07:44:18) |
| Type de référence: Article DOI: 10.1007/s11164-021-04481-z Numéro d'identification (ISBN etc.): 0922-6168 Clé BibTeX: Chemek2021a Voir tous les détails bibliographiques  |
Catégories: INTERNATIONAL, MIOPS Créateurs: Alimi, Ben Amor, Chebil, Chemek, Faulques, Khlaifia, Said Collection: RESEARCH ON CHEMICAL INTERMEDIATES |
Consultations : 1/216
Indice de consultation : 8% Indice de popularité : 2% |
| Résumé |
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The newly synthesized oligo{[}4-(methoxyphenyl) acetonitrile] (OMPA) was chemically modified by Knoevenagel condensation of OMPA oligomer with 9-anthraldehyde. The obtained oligomer is named OMPA-ANTH. Vibrational, optical, and thermodynamic properties of OMPA-ANTH oligomer were investigated using FT-IR, ultraviolet-visible (UV-vis), steady-state and time-resolved photoluminescence spectroscopies, and thermogravimetric analysis (TGA). The chemical insertion of the anthracene group into the OMPA backbone induces a decrease of the optical bandgap and the energy gap (E-g = E-HOMO-E-LUMO) with significant modification in their observed optical properties. The decay of modified OMPA (OMPA-ANTH) in solution or condensed state is slower than that of pure OMPA, showing a change of the photo-generated species with longer lifetime upon chemical modification.
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