ArticleScientific reports2014
Molecular structure-optical property relationships for a series of non-centrosymmetric two-photon absorbing push-pull triarylamine molecules.
Article in Scientific reports, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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9 citing papers in PubMed.
- Multiphoton Absorption in Branched Quadrupolar Diquinoxalines for Two-Photon Polymerization Design.ACS physical chemistry Au · 2026Article
- Exploring the impact of substituents and π-conjugation on structural, optical and nonlinear optical studies in ferrocene-appended D-π-A and D-D'-π-A chromophores.Scientific reports · 2026Article
- Exceptionally High Two-Photon Absorption Cross Sections in Quinoidal Diazaacene-Bithiophene Derivatives.Angewandte Chemie (International ed. in English) · 2025Article
- Chromophore Planarity, -BH Bridge Effect, and Two-Photon Activity: Bi- and Ter-Phenyl Derivatives as a Case Study.The journal of physical chemistry. A · 2023Article
- Photophysical and anion sensing properties of a triphenylamine-dioxaborinine trimeric compound.RSC advances · 2023Article
- Donor moieties with D-π-a framing modulated electronic and nonlinear optical properties for non-fullerene-based chromophores.RSC advances · 2022Article
- Benchmarking Density Functional Approximations for Excited-State Properties of Fluorescent Dyes.Molecules (Basel, Switzerland) · 2021Article
- Femtosecond Two-Photon Absorption Spectroscopy of Poly(fluorene) Derivatives Containing Benzoselenadiazole and Benzothiadiazole.Materials (Basel, Switzerland) · 2017Article
- Ultrafast Investigation of Intramolecular Charge Transfer and Solvation Dynamics of Tetrahydro[5]-helicene-Based Imide Derivatives.Scientific reports · 2016Article
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11 authors.
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Abstract
This article reports on a comprehensive study of the two-photon absorption (2PA) properties of six novel push-pull octupolar triarylamine compounds as a function of the nature of the electron-withdrawing groups. These compounds present an octupolar structure consisting of a triarylamine core bearing two 3,3'-bis(trifluoromethyl)phenyl arms and a third group with varying electron-withdrawing strength (H < CN < CHO < NO2 < Cyet < Vin). The 2PA cross-sections, measured by using the femtosecond open-aperture Z-scan technique, showed significant enhancement from 45 up to 125 GM for the lowest energy band and from 95 up to 270 GM for the highest energy band. The results were elucidated based on the large changes in the transition and permanent dipole moments and in terms of (i) EWG strength, (ii) degree of donor-acceptor charge transfer and (iii) electronic coupling between the arms. The 2PA results were eventually supported and confronted with theoretical DFT calculations of the two-photon transition oscillator strengths.
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