Synthesis and UV-light induced oligomerization of a benzofulvene-based neutral platinum(II) complex

Autor: Andrea Scamporrino, Giulia Magrini, Francesca Villafiorita-Monteleone, Maurizio Canetti, Vincenzo Razzano, Chiara Botta, Alessandro Donati, Ettore Fois, Andrea Cappelli, Germano Giuliani, Filippo Samperi, Matteo Mauro, Marco Paolino, Annalisa Reale, Mario Saletti
Přispěvatelé: Institut de Physique et Chimie des Matériaux de Strasbourg (IPCMS), Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), Université de Strasbourg (UNISTRA)-Matériaux et nanosciences d'Alsace (FMNGE), Institut de Chimie du CNRS (INC)-Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Institut de Chimie du CNRS (INC)-Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Réseau nanophotonique et optique, Centre National de la Recherche Scientifique (CNRS)-Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Centre National de la Recherche Scientifique (CNRS)-Université de Strasbourg (UNISTRA)
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: European Polymer Journal 156 (2021). doi:10.1016/j.eurpolymj.2021.11059
info:cnr-pdr/source/autori:Marco Paolino a, Annalisa Reale a, Giulia Magrini a, Vincenzo Razzano a, Mario Saletti a, Germano Giuliani a, Alessandro Donati a, Filippo Samperi b, Andrea Scamporrino b, Maurizio Canetti c, Matteo Mauro d, Francesca Villafiorita-Monteleone c, Ettore Fois e, Chiara Botta c, Andrea Cappelli a, */titolo:Synthesis and UV-light induced oligomerization of a benzofulvene-based neutral platinum(II) complex/doi:10.1016%2Fj.eurpolymj.2021.11059/rivista:European Polymer Journal/anno:2021/pagina_da:/pagina_a:/intervallo_pagine:/volume:156
European Polymer Journal
European Polymer Journal, Elsevier, 2021, 156, ⟨10.1016/j.eurpolymj.2021.110597⟩
ISSN: 0014-3057
1873-1945
DOI: 10.1016/j.eurpolymj.2021.110597
Popis: Neutral platinum(II) complex 2-PTPC-BF3a was easily prepared from benzofulvene derivative 2-Pyr-BF3a in order to evaluate the effects in the aggregation/polymerization behavior of a bulky substituent capable of establishing intermolecular metal–metal interactions in the close proximity of the putative polymerization center. Complex 2-PTPC-BF3a was found to aggregate into an ordered crystalline solid-state without significant spontaneous polymerization, but the UV-light irradiation of its dispersions in chloroform produced corresponding oligomers, which were characterized by NMR spectroscopy and MALDI-TOF mass spectrometry. On the other hand, the UV-irradiation of the platinum complex in the solid-state produced different results probably depending on the aggregate architecture. Notably, the crystalline films deposited from THF solutions on quartz substrates showed weak emissions, which progressively increased upon irradiation with the formation of oligomers devoid of the aggregation-induced quenching sites that seemed to affect the emission of poly-2-PTPC-BF3a. Finally, DFT calculations were performed on platinum complex 2-PTPC-BF3a in the aim of rationalizing the observed photophysical features.
Databáze: OpenAIRE
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