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Journal Articles Chemical Communications Year : 2020

Second harmonic scattering from mass characterized 2D graphene oxide sheets

Abstract

In this communication, we report the second harmonic scattering from mass characterized 2D graphene oxide sheets dispersed in an aqueous suspension, in the femtosecond regime at 800 nm laser excitation. Charge-detection mass-spectrometry, performing at the single sheet level, allows for an exhaustive molar mass distribution and thus concentration for these 2D nanomaterials samples. The orientation-averaged hyperpolarizability value is (1.36 ± 0.15) × 10−25 esu as determined by the concentration-dependent harmonic scattering signal. In addition, the multi-photon excited fluorescence spectrum is characterized by a broad band in the visible range between 350 and 700 nm centered at about 500 nm.
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Dates and versions

hal-02569090 , version 1 (05-11-2020)

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Isabelle Russier-Antoine, Hussein Fakhouri, Srestha Basu, Franck Bertorelle, Philippe Dugourd, et al.. Second harmonic scattering from mass characterized 2D graphene oxide sheets. Chemical Communications, 2020, 56 (27), pp.3859-3862. ⟨10.1039/D0CC00111B⟩. ⟨hal-02569090⟩
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