具有非常规室温磷光的硫酸锌开放框架用于选择性胺蒸气检测

IF 4.7 2区化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR

Inorganic Chemistry Pub Date : 2025-04-02 DOI:10.1021/acs.inorgchem.5c00917

Lei Miao, Bo-Lun Zhang, Wen-Tao Song, Jun Chen, Wen-Jing Shi, Rui-Hong Wang, Shuqin Liu, Ying-Jia Li, Jian-Jun Zhang

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引用次数: 0

摘要

分子基余辉材料由于其广泛的应用而引起了广泛的关注。然而，大多数研究都集中在传统的发光基团上，而对非常规系统的探索不足，特别是关于新材料亚类的筛选和传感等应用的发展。本文报道了通过Zn2+/SO42 -与非芳香族三乙二胺（DABCO）的自组装，成功制备了两种新型二维znso4基开放框架材料（OFMs）─（H2DABCO）[Zn3(μ3-OH)2(SO4)3]·H2O(1)和（H2DABCO）[Zn(SO4)2](2)─。两种化合物均表现出明显的延迟发射特性，寿命分别为259.10 ms(1)和49.62 μs(2)。前沿轨道分析揭示了硫酸盐基团与（H2DABCO）2+阳离子之间的电荷转移在发光过程中的关键作用。值得注意的是，1在选择性检测正丙胺和正丁胺蒸气方面表现出优异的余辉探针性能，分别达到32.99和47.18 ppm的检出限。传感机制涉及一个相变过程，发光变化可以用肉眼观察到。这项工作开创了硫酸盐基ofm与非常规室温磷光特性的整合，展示了它们作为工业和环境监测余辉探针的潜力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Zinc Sulfate Open Frameworks with Nonconventional Room-Temperature Phosphorescence for Selective Amine Vapor Detection

查看原文本刊更多论文

Zinc Sulfate Open Frameworks with Nonconventional Room-Temperature Phosphorescence for Selective Amine Vapor Detection

Molecular-based afterglow materials have garnered significant attention due to their diverse applications. However, most studies focus on conventional luminophores, leaving nonconventional systems underexplored, particularly regarding the screening of new material subclasses and the development of applications such as sensing. Herein we report the successful preparation of two new two-dimensional ZnSO₄-based open-framework materials (OFMs)─(H₂DABCO)[Zn₃(μ₃-OH)₂(SO₄)₃]·H₂O (1) and (H₂DABCO)[Zn(SO₄)₂] (2)─through self-assembly of Zn²⁺/SO₄^2– with nonaromatic triethylenediamine (DABCO). Both compounds exhibit distinct delayed emission characteristics with lifetimes of 259.10 ms (1) and 49.62 μs (2), respectively. Frontier orbital analysis reveals the key role of charge transfer between sulfate groups to (H₂DABCO)²⁺ cations in the luminescence. Notably, 1 demonstrates exceptional performance as an afterglow probe for the selective detection of n-propylamine and n-butylamine vapors, achieving detection limits of 32.99 and 47.18 ppm, respectively. The sensing mechanism involves a phase-transition process, and the luminescence change can be observed by the naked eye. This work pioneers the integration of sulfate-based OFMs with nonconventional room-temperature phosphorescence properties, demonstrating their potential as afterglow probes for industrial and environmental monitoring.

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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.