Diphenylamino-substituted tristyryl vs. triphenyl isocyanurates improved conjugation has minimal impact on two-photon absorption

Abstract : This contribution reports the synthesis of C87H60N6O3 (3-NPh2), the tristyryl analogue of the triphenylisocyanurate C81H54N6O3 (2-NPh2) which was previously demonstrated to be an active two-photon absorber. Contrary to expectation, planarization and extension of the central -system does not lead to a marked improvement of the two-photon absorption cross-section.
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Amédée Triadon, Alphonsine Ngo Ndimba, Nicolas Richy, Anissa Amar, Abdou Boucekkine, et al.. Diphenylamino-substituted tristyryl vs. triphenyl isocyanurates improved conjugation has minimal impact on two-photon absorption. New Journal of Chemistry, Royal Society of Chemistry, 2018, 42 (14), pp.11289-11293. ⟨10.1039/c8nj01904e⟩. ⟨hal-01861422⟩

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