Issue 2, 2023

Na2(C4O4)(H3BO3)(H2O)4·H3BO3: the first borate-squarate with strong SHG response obtained by superior synergy

Abstract

We herein report the first sodium borate-squarate, namely, Na2(C4O4)(H3BO3)(H2O)4·H3BO3 (1). It has been successfully synthesized via introducing the planar π-conjugated (C4O4)2− into a borate system. Compound 1 exhibits a strong second-harmonic-generation (SHG) response (2.1 × KDP), wide transparency in the ultraviolet (UV) region and a suitable birefringence of 0.26 at 1064 nm. Theoretical calculations indicate that the synergy effect between inorganic planar π-conjugated species H3BO3 and organic moiety (C4O4)2− dominates the SHG process.

Graphical abstract: Na2(C4O4)(H3BO3)(H2O)4·H3BO3: the first borate-squarate with strong SHG response obtained by superior synergy

Supplementary files

Article information

Article type
Communication
Submitted
28 Sep 2022
Accepted
28 Nov 2022
First published
01 Dec 2022

Chem. Commun., 2023,59, 219-222

Na2(C4O4)(H3BO3)(H2O)4·H3BO3: the first borate-squarate with strong SHG response obtained by superior synergy

D. Yan, Y. Ma, H. Huang, B. Zhang, R. Tang, L. Hu, F. Mao, J. Zheng, X. Zhang and S. Li, Chem. Commun., 2023, 59, 219 DOI: 10.1039/D2CC05307A

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