Efficient circularly polarized luminescence from zero-dimensional terbium- and europium-based hybrid metal halides†

IF 4.2 2区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY Chemical Communications Pub Date : 2024-12-02 DOI:10.1039/d4cc05206d

Yan Zhang , Yi Wei , Chen Li , Yuxuan Wang , Yulian Liu , Meiying He , Zhishan Luo , Xiaoyong Chang , Xiaojun Kuang , Zewei Quan

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Abstract

Zero-dimensional (0D) chiral hybrid metal halides (HMHs) with narrow-band circularly polarized luminescence (CPL) show considerable promise in three-dimensional displays. In this work, 0D (S/R-3MOR)₃TbCl₆ and (S/R-3MOR)₃EuCl₆ (abbreviated as S/R-TbCl, S/R-EuCl) enantiomers with characteristic rare-earth ion emissions are synthesized. S/R-TbCl and S/R-EuCl exhibit narrow-band green and red emissions with high photoluminescence quantum yields of (85–91)% and (48–52)%, respectively. These materials present distinct CPL signals with dissymmetry factors up to ±0.006 and ±0.009 for S/R-TbCl and S/R-EuCl, respectively. These chiroptical properties confer the potential for their applications in circularly polarized light-emitting diodes for future displays.

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零维铽铕杂化金属卤化物的高效圆偏振发光

具有窄带圆极化发光（CPL）的零维（0D）手性杂化金属卤化物（HMHs）在三维显示中具有广阔的应用前景。本文合成了0D (S/R-3MOR)3TbCl6和（S/R-3MOR）3EuCl6（简称S/R-TbCl， S/R-EuCl）对映体。S/R-TbCl和S/R-EuCl表现出窄带绿色和红色发射，光致发光量子产率分别为（85-91）%和（48-52）%。这些材料在S/R-TbCl和S/R-EuCl中表现出明显的CPL信号，不对称因子分别高达±0.006和±0.009。这些热学特性赋予了它们在圆偏振发光二极管中应用的潜力，用于未来的显示器。

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来源期刊

Chemical Communications 化学-化学综合

CiteScore

8.60

自引率

4.10%

发文量

2705

审稿时长

1.4 months

期刊介绍： ChemComm (Chemical Communications) is renowned as the fastest publisher of articles providing information on new avenues of research, drawn from all the world''s major areas of chemical research.