Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 59, Issue 47, Pages 21151-21156Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202009441
Keywords
antimony; genes; nonlinear optics; materials science; structure elucidation
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Funding
- National Natural Science Foundation of China [21971171, 21875146]
- Fundamental Research Funds for the central Universities [YJ201921]
- National Research Foundation of Korea (NRF) - Ministry of Science and ICT [2019R1A2C3005530]
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Discovering new functional genes, designing perfect crystal structures, and developing high-performance materials are the goals being pursued by scientists. Herein, the first antimony pyrophosphate, K2Sb(P2O7)F, possessing an optimal layered structure, is reported, where the perfect structural arrangement induces excellent optical properties. K2Sb(P2O7)F not only displays a sharply enhanced birefringence (0.157@546 nm) compared to the existing phosphate optical materials, but also exhibits a strong second-harmonic generation response (4.0xKDP). Remarkably, a new bifunctional gene, the square-pyramidal SbO4F group, was discovered, and a unique two-dimensional arrangement of Cairo pentagonal tiling units was observed in inorganic compounds for the first time.
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