具有多种光学特性的基于cd的协调框架：可调RTP、光变色和SHG效率

IF 4.7 2区化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR

Inorganic Chemistry Pub Date : 2025-06-06 DOI:10.1021/acs.inorgchem.5c01678

Xue-Mei Jing, Tong Liu, Yu-Ying Xia, Si-Yi Li, Yan-Jie Li, Song-De Han, Zhen-Zhen Xue, Jie Pan

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引用次数: 0

摘要

本研究以吡啶衍生物三（吡啶-3-酰基）胺（TPA）和对苯二甲酸（H2PTA）为配体，合成了[Cd3(PTA)3(TPA)](1)和[Cd3(PTA)3(TPA)(DMA)]•2DMA (2) （DMA = N，N-二甲基乙酰胺）两种cd -有机骨架。结果表明，两种化合物均具有室温磷光（RTP）。具体来说，化合物1表现出有趣的激发响应RTP发射，其磷光覆盖了可见光谱的一半，而化合物2则显示出明显的蓝绿色磷光。对固体1和固体2的光致变色行为进行了监测，并将这种迷人的特性与荧光和磷光相结合，为三消息安全加密提供了一种简单的方法。此外，由于其非中心对称的结构性质，化合物2在1064 nm处表现出与KH2PO4相当的二次谐波产生效应。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Cd-Based Coordination Frameworks with Multiple Optical Properties: Tunable RTP, Photochromism, and SHG Efficiency

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Cd-Based Coordination Frameworks with Multiple Optical Properties: Tunable RTP, Photochromism, and SHG Efficiency

In this study, we utilized the pyridine derivative tri(pyridin-3-yl)amine (TPA) and terephthalic acid (H₂PTA) as coordination ligands to synthesize two Cd-organic frameworks, namely [Cd₃(PTA)₃(TPA)] (1) and [Cd₃(PTA)₃(TPA)(DMA)]•2DMA (2) (DMA = N,N-dimethylacetamide). It was demonstrated that both compounds possess room-temperature phosphorescence (RTP). Specifically, compound 1 exhibited an interesting excitation-responsive RTP emission, with the phosphorescence covering half of the visible spectrum, while compound 2 was found to display a distinct blue-green phosphorescence. The photochromic behaviors of solids 1 and 2 were monitored, and the combination of this fascinating property with fluorescence and phosphorescence provides a simple approach for triple-message security encryption. In addition, due to its noncentrosymmetric structural nature, compound 2 showed a second harmonic generation effect, which is comparable to that of KH₂PO₄ at 1064 nm.

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来源期刊

Inorganic Chemistry 化学-无机化学与核化学

CiteScore

7.60

自引率

13.00%

发文量

1960

审稿时长

1.9 months

期刊介绍： Inorganic Chemistry publishes fundamental studies in all phases of inorganic chemistry. Coverage includes experimental and theoretical reports on quantitative studies of structure and thermodynamics, kinetics, mechanisms of inorganic reactions, bioinorganic chemistry, and relevant aspects of organometallic chemistry, solid-state phenomena, and chemical bonding theory. Emphasis is placed on the synthesis, structure, thermodynamics, reactivity, spectroscopy, and bonding properties of significant new and known compounds.