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

Abstract : We report herein the linear optical properties of some extended 1,3,5-triphenylbenzene derivatives 1,3,5-[(1,4-C6H4)CC(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)CC(4-C6H4X)](3)(N-3{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.
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https://hal-univ-rennes1.archives-ouvertes.fr/hal-01614765
Contributor : Laurent Jonchère <>
Submitted on : Wednesday, October 11, 2017 - 2:00:07 PM
Last modification on : Wednesday, September 16, 2020 - 3:08:40 AM

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Suzy L. Streatfield, Claire Pradels, Alphonsine Ngo Ndimba, Nicolas Richy, Anissa Amar, et al.. Electronic Absorption, Emission and Two-Photon Absorption Properties of Some Functional 1,3,5-Triphenylbenzenes. ChemistrySelect, Wiley, 2017, 2 (26), pp.8080-8085. ⟨10.1002/slct.201701653⟩. ⟨hal-01614765⟩

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