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

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] 2 SbCl 5 with a bandgap of 3.14 eV. It shows a ferroelastic phase transition at 341 K accompanie...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2023-02, Vol.59 (13), p.1793-1796
Main Authors: Liu, Qin, Peng, Hang, Qi, Jun-Chao, Lu, Yan-Zi, Yang, Shu-Jing, Liao, Wei-Qiang
Format: Article
Language:English
Subjects:
Halides
Lead compounds
Lead free
Metal halides
Organic semiconductors
Phase transitions
Photoluminescence
Second harmonic generation
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Summary: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] 2 SbCl 5 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. [ R -3-hydroxylpiperidinium] 2 SbCl 5 is a photoluminescent chiral lead-free organic-inorganic ferroelastic semiconductor showing switchable second-harmonic generation response and clear ferroelastic domains.
ISSN:1359-7345
1364-548X
DOI:10.1039/d2cc06575d