Issue 17, 2022

[C3N6H7]2[B3O3F4(OH)]: a new hybrid birefringent crystal with strong optical anisotropy induced by mixed functional units

Abstract

The design and preparation of new birefringent materials with large birefringence, especially those for the short-wavelength spectral region, are still active since they play an important role in creating polarized light. Herein, a new organic–inorganic hybrid fluorooxoborate [C3N6H7]2[B3O3F4(OH)] was discovered following the strategy of combining two birefringence-active units to increase the optical anisotropy. The large birefringence (0.440@546 nm) and short absorption edge (240 nm) make [C3N6H7]2[B3O3F4(OH)] a potential short-wavelength ultraviolet birefringent crystal. Both the [C3N6H7] cation and [B3O3F4(OH)] anion in [C3N6H7]2[B3O3F4(OH)] are identified as birefringence-active units that induce large optical anisotropy, as evidenced by additional theoretical calculations.

Graphical abstract: [C3N6H7]2[B3O3F4(OH)]: a new hybrid birefringent crystal with strong optical anisotropy induced by mixed functional units

Supplementary files

Article information

Article type
Communication
Submitted
20 mar 2022
Accepted
03 apr 2022
First published
19 apr 2022

J. Mater. Chem. C, 2022,10, 6590-6595

[C3N6H7]2[B3O3F4(OH)]: a new hybrid birefringent crystal with strong optical anisotropy induced by mixed functional units

C. Jin, F. Li, Z. Yang, S. Pan and M. Mutailipu, J. Mater. Chem. C, 2022, 10, 6590 DOI: 10.1039/D2TC01123A

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