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Theses

Edifices porphyrine-diaryléthène : synthèses et propriétés

Abstract : The main purpose of this thesis was the synthesis of new molecular structures, combining dithienylethenes and porphyrins, for applications in molecular electronics and spintronic. Metallated and free base porphyrins bearing four DTEs were characterizes and studied in solution by photochemistry and spectroelectrochemistry. The efficiency of switching of our systems reach 88 percent and strong quenching porphyrin’s fluorescence was reported. New synthetic pathways were investigated to prepare a broader scope of tetraDTEs-porphyrin derivatives. Moreover, to better understand the electronic communications between DTEs and porphyrins, a simpler bis(porphyrin)DTE molecular structure was synthetized and studied. These studies demonstrated showed the important role of the metal on photochromic behavior of dithienylethene – porphyrin architectures.
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Thomas Biellmann. Edifices porphyrine-diaryléthène : synthèses et propriétés. Autre. Université de Strasbourg, 2017. Français. ⟨NNT : 2017STRAF021⟩. ⟨tel-01663056v2⟩

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