Issue 21, 2024

Study on the structure–performance relationship of nonlinear optical chromophores with different donors, bridges, and acceptors

Abstract

Three series of high-performance nonlinear optical chromophores, B-TCF, B-3F, B-5F, N-TCF, N-TCF, S-TCF, and S-3F–S-5F, were synthesized using triphenylamine and N,N-bis-(4-methoxyphenyl)arylamine as donors, tetraene and thiophene as bridges, and tricyanofuran (TCF), perfluorophenyl-tricyanofuran (5F-TCF) and phenyl-trifluoromethyl-tricyanofuran (3F-TCF) as acceptors. We conducted a comprehensive analysis of these three series of chromophores to elucidate the structure–performance relationship from various perspectives. By employing DFT calculations and electro-optical coefficient tests, we observed significant influences of different electron donors, π-conjugated bridges, and acceptors on the performance of the chromophores. Polymeric thin films doped with chromophores N-3F and N-5F of 25 wt% with the N,N-bis-(4-methoxyphenyl)aryl-amino donor have been poled to afford large r33 values of 198 and 171 pm V−1 at 1.31 μm, respectively, which surpassed those obtained with other chromophores.

Graphical abstract: Study on the structure–performance relationship of nonlinear optical chromophores with different donors, bridges, and acceptors

Supplementary files

Article information

Article type
Paper
Submitted
27 Feb 2024
Accepted
19 Apr 2024
First published
27 Apr 2024

New J. Chem., 2024,48, 9567-9576

Study on the structure–performance relationship of nonlinear optical chromophores with different donors, bridges, and acceptors

W. Zhang, Z. Li, F. Huo, W. He, J. Wang, Y. Zhang, C. Liu and F. Liu, New J. Chem., 2024, 48, 9567 DOI: 10.1039/D4NJ00922C

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