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Janus Molecules: Large Second-Order Nonlinear Optical Performance, Good Temporal Stability, Excellent Thermal Stability and Spherical Structure with Optimized Dendrimer structure

Abstract

In this paper, Janus molecules of J1 and J2 based on the second-order nonlinear optical (NLO) chromophore of FTC (Fang’s Thermally-Stable Chromophore), were designed and synthesized, in which, the arrangement of chromophore moieties were different on the two sides of the core part. Especially, in J2, each FTC pieces had similar direction with a more similar spherical structure realized. Janus molecule J2 exhibited good thermal stability and excellent nonlinear optical performance. Thanks to the unique molecular topology, an ultrahigh d33 value of 529 pm V-1 at the wavelength of 1950 nm have been achieved, which could still keep 80% at a high temperature of 161 oC. Coupled with the good thermal stability and very simple structure, the obtained results were valuable for the further development of NLO materials.

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Publication details

The article was received on 24 Mar 2018, accepted on 07 May 2018 and first published on 08 May 2018


Article type: Research Article
DOI: 10.1039/C8QM00128F
Citation: Mater. Chem. Front., 2018, Accepted Manuscript
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    Janus Molecules: Large Second-Order Nonlinear Optical Performance, Good Temporal Stability, Excellent Thermal Stability and Spherical Structure with Optimized Dendrimer structure

    P. Chen, H. Zhang, M. Han, Z. Cheng, Q. Peng, Q. Li and Z. Li, Mater. Chem. Front., 2018, Accepted Manuscript , DOI: 10.1039/C8QM00128F

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