Tin chalcohalide Sn11(PS4)4I10 obtained from structural-template-oriented synthesis: exhibiting balanced infrared nonlinear optical performance†

IF 6.1 1区化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR

Inorganic Chemistry Frontiers Pub Date : 2024-12-19 DOI:10.1039/D4QI02753A

Cuier Deng, Xi Xu, Yuhan Hu, Jingyu Guo, Li-Ming Wu and Ling Chen

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Abstract

Among infrared (IR) nonlinear optical (NLO) materials, metal chalcohalides have become prominent because of their well-balanced performance and are widely applied in optoelectronics, communications, and sensor technology. Structural-template-oriented synthesis is an important method in the exploration of metal chalcohalides, mainly focusing on anion/cation substitution, co-substitution and structure prediction. Herein, a novel tin chalcohalide, Sn₁₁(PS₄)₄I₁₀ (SPSI), has been successfully obtained via structural-template-oriented synthesis, utilizing the excellent and suitable structural template Pb₂BO₃X (X = halogens) family. SPSI satisfies the requirements of an excellent IR NLO material as a balanced-performance pentagonal candidate, including a moderate second-harmonic generation (SHG) response (0.8 × AGS), a wide IR transparency window (0.46–17.6 μm), a suitable Δn_obv. value (0.068 at 546 nm) and a considerable laser-induced damage threshold (LIDT) (3.3 × AGS).

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结构模板定向合成的硫化锡Sn11(PS4)4I10：具有平衡的红外非线性光学性能

在红外非线性光学（NLO）材料中，金属乙醇化物因其良好的平衡性能而成为研究热点，在光电子、通信和传感器技术中得到了广泛的应用。结构模板定向合成是探索金属胆卤化合物的重要方法，主要集中在阴离子/阳离子取代、共取代和结构预测等方面。本文利用Pb2BO3X （X = halogens）家族优良的结构模板，通过结构模板定向合成方法成功制备了新型的锡硫卤化物Sn11(PS4)4I10 （SPSI）。SPSI满足了优异的红外NLO材料作为平衡性能的五边形候选材料的要求，包括中等的二次谐波产生（SHG）响应（0.8 × AGS），宽的红外透明窗口（0.46-17.6 μm），合适的Δnobv。（0.068 at 546nm）和相当大的激光诱导损伤阈值（LIDT）（3.3 × AGS）。

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