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Issue 27, 2020
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Second harmonic scattering from mass characterized 2D graphene oxide sheets

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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.

Graphical abstract: Second harmonic scattering from mass characterized 2D graphene oxide sheets

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Article information


Submitted
06 Jan 2020
Accepted
27 Feb 2020
First published
27 Feb 2020

Chem. Commun., 2020,56, 3859-3862
Article type
Communication

Second harmonic scattering from mass characterized 2D graphene oxide sheets

I. Russier-Antoine, H. Fakhouri, S. Basu, F. Bertorelle, P. Dugourd, P. Brevet, P. Velayudhan, S. Thomas, N. Kalarikkal and R. Antoine, Chem. Commun., 2020, 56, 3859
DOI: 10.1039/D0CC00111B

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