Ultrastable Copper Iodide Hybrid with Intrinsic Greenish White-Light Emission by Incorporating an Anionic Inorganic Functional Unit into an Extended Structure,Inorganic Chemistry

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Ultrastable Copper Iodide Hybrid with Intrinsic Greenish White-Light Emission by Incorporating an Anionic Inorganic Functional Unit into an Extended Structure
Inorganic Chemistry ( IF 4.3 ) Pub Date : 2024-05-04 , DOI: 10.1021/acs.inorgchem.4c01231
Haibo Li ₁ , Yi Lv ₁ , Yanbi Tan ₁ , Jing Yang ₁ , Wei Liu ₁ , Gangfeng Ouyang ₁

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Incorporating a functional unit into the multidimensional coordination polymer skeleton is an efficient way to improve the stability of materials and expand their application. In this paper, anionic copper iodide inorganic functional modules are incorporated into one-dimensional extended chains by using a unique bidentate cationic organic ligand. Benefiting from the ionic extended structure, the resulting hybrid possesses a remarkable stability with a decomposition temperature as high as 300 °C. Meanwhile, the hybrid material exhibits intrinsic greenish white-light emission with a high photoluminescent quantum yield of 70%. The emission was investigated by temperature-dependent emission spectra, which proved to be the result of the synergistic effect of two energy states. The novel synthetic strategy provides an efficient route for the development of functional organic metal halides.

中文翻译：

通过将阴离子无机功能单元纳入扩展结构，具有本征绿白光发射的超稳定碘化铜杂化物

将功能单元引入多维配位聚合物骨架中是提高材料稳定性、拓展其应用的有效途径。本文通过使用独特的二齿阳离子有机配体将阴离子碘化铜无机功能模块纳入一维延伸链中。受益于离子延伸结构，所得杂化物具有显着的稳定性，分解温度高达300℃。同时，该杂化材料表现出本征绿白光发射，光致发光量子产率为70%。通过与温度相关的发射光谱研究了发射，证明这是两种能态协同效应的结果。这种新颖的合成策略为功能性有机金属卤化物的开发提供了一条有效的途径。

更新日期：2024-05-04

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