Journal
INORGANIC CHEMISTRY
Volume 59, Issue 9, Pages 5823-5827Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.inorgchem.0c00639
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Funding
- NSF of China [21771159]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
- Qing Lan project from Yangzhou University
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The deficiency of nonlinear optical (NLO) materials in the infrared region pushes continuous exploration of new ones with desired performances. In this work, a novel pentanary selenide KInSi1.32Sn0.68Se6 is discovered by using a high-temperature solid-state reaction. It crystallizes in the monoclinic noncentrosymmetric space group Cc featuring a 3D [(InSi1.32Sn0.68Se6)(-)](n) polyanionic network, and its powder sample presents promising NLO behaviors, namely 1.3-times second-harmonic generation response and close laser-induced damage threshold than those of benchmark AgGaS2 . Besides, it is phase-matchable and shows a wide transparent region. Theoretical calculation addressing its electronic structure and optical property is also performed.
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