2,1,3-Benzoxadiazole-based luminescent metal-organic coordination polymer for sensitive detection of dihydrogen phosphate anion and trivalent metal cations

IF 4.2 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY Optical Materials Pub Date : 2025-02-04 DOI:10.1016/j.optmat.2025.116779

Evgeny R. Dudko , Dmitry I. Pavlov , Alexey A. Ryadun , Tatiana Y. Guselnikova , Vladimir P. Fedin , Xiaolin Yu , Andrei S. Potapov

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Abstract

New zinc-based luminescent coordination polymer [Zn₂(bpy)(H₂O)₂(L_O)₂] (Zn-CP, H₂L_O – 4,7-di(4-carboxypyrazol-1-yl)-2,1,3-benzooxadiazole, bpy – 4,4′-bipyridine) was synthesized. The compound demonstrated high stability in various organic solvents and excellent luminescent properties with the photoluminescence quantum yield of 57 %. Zn-CP was capable of detecting aluminum, gallium and dihydrogen phosphate ions with the limits of detection 0.10, 0.17 and 0.14 μM, respectively. The luminescence turn-on upon the addition of these analytes can be detected by the naked eye, making possible the fabrication of express test paper strips. The possibility of using the CP as phosphors in UV-pumped light-emitting diodes was also demonstrated.

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2,1,3-苯并恶二唑基发光金属有机配位聚合物，用于灵敏检测磷酸二氢阴离子和三价金属阳离子

合成了新型锌基发光配位聚合物[Zn2(bpy)(H2O)2(LO)2] （Zn-CP, H2LO - 4,7-二（4-羧基吡唑-1-基）-2,1,3-苯并恶二唑，bpy - 4,4′-联吡啶）。该化合物在各种有机溶剂中具有很高的稳定性和优异的发光性能，光致发光量子产率达到57%。Zn-CP能够检测铝、镓和磷酸二氢离子，检出限分别为0.10、0.17和0.14 μM。添加这些分析物后的发光开启可以通过肉眼检测到，从而可以制造快速试纸条。还证明了在紫外泵浦发光二极管中使用CP作为荧光粉的可能性。

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来源期刊

Optical Materials 工程技术-材料科学：综合

CiteScore

6.60

自引率

12.80%

发文量

1265

审稿时长

38 days

期刊介绍： Optical Materials has an open access mirror journal Optical Materials: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review. The purpose of Optical Materials is to provide a means of communication and technology transfer between researchers who are interested in materials for potential device applications. The journal publishes original papers and review articles on the design, synthesis, characterisation and applications of optical materials. OPTICAL MATERIALS focuses on: • Optical Properties of Material Systems; • The Materials Aspects of Optical Phenomena; • The Materials Aspects of Devices and Applications. Authors can submit separate research elements describing their data to Data in Brief and methods to Methods X.