Electronic Absorption, Emission and Two-Photon Absorption Properties of Some Functional 1,3,5-Triphenylbenzenes

Suzy L. Streatfield, Claire Pradels, Alphonsine Ngo Ndimba, Nicolas Richy, Anissa Amar, Abdou Boucekkine*, Marie P. Cifuentes, Mark G. Humphrey, Olivier Mongin, Frédéric Paul

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    3 Citations (Scopus)

    Abstract

    We report herein the linear optical properties of some extended 1,3,5-triphenylbenzene derivatives 1,3,5-[(1, 4-C6H4)C≡C(4-C6H4X)]3(C6H3) (3-X; X=NO2, CN, H, OMe, NMe2, NPh2) and briefly discuss the two-photon absorption (2PA) cross-sections determined for the derivatives featuring the most electron-rich substituents, contrasting their 2PA performance with the 2PA values previously gathered for their triphenylisocyanurate analogues N,N’,N”-[(1, 4-C6H4)C≡C(4-C6H4X)]3(N3{C(O)}3) (1-X). When functionalized by electron-releasing substituents at their periphery, 3-X derivatives are potent substitutes for 1-X compounds in NLO applications, especially when maximal transparency is not required in the visible range. Some rationalization of this unexpected outcome is proposed based on DFT calculations.

    Original languageEnglish
    Pages (from-to)8080-8085
    Number of pages6
    JournalChemistrySelect
    Volume2
    Issue number26
    DOIs
    Publication statusPublished - 11 Sept 2017

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