A photoluminescent chiral lead-free hybrid ferroelastic semiconductor with switchable second-harmonic generation,Chemical Communications

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A photoluminescent chiral lead-free hybrid ferroelastic semiconductor with switchable second-harmonic generation
Chemical Communications ( IF 4.3 ) Pub Date : 2023-01-25 , DOI: 10.1039/d2cc06575d
Qin Liu ₁ , Hang Peng ₁ , Jun-Chao Qi ₁ , Yan-Zi Lu ₁ , Shu-Jing Yang ₁ , Wei-Qiang Liao ₁

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Chiral organic–inorganic hybrid semiconductors (COIHSs) dominated by lead halides have recently gained tremendous interest. Here, we report a lead-free photoluminescent COIHS [R-3-hydroxylpiperidinium]₂SbCl₅ with a bandgap of 3.14 eV. It shows a ferroelastic phase transition at 341 K accompanied by a switchable second-harmonic generation response and presents clear ferroelastic domains, which are rarely found in lead-free COIHSs.

中文翻译：

具有可切换二次谐波产生的光致发光手性无铅混合铁弹性半导体

以卤化铅为主的手性有机-无机杂化半导体 (COIHS) 最近引起了极大的兴趣。在这里，我们报告了带隙为 3.14 eV 的无铅光致发光 COIHS [ R -3-hydroxypiperidinium] ₂ SbCl _{5 。}它显示了 341 K 的铁弹性相变，伴随着可切换的二次谐波生成响应，并呈现出清晰的铁弹性域，这在无铅 COIHS 中很少见。

更新日期：2023-01-25

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