Two new Mn-LMOF based on an AIEgens ligand for selective detection of Al3+ and other ions in aqueous solution

IF 2.4 3区化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR

Polyhedron Pub Date : 2024-08-26 DOI:10.1016/j.poly.2024.117204

Yu-Yuan Zhao , Wei-Min Chen , Yi Zhang , Zhen-Dong Xue , Hao-Yu Zhu , Fang-Ming Wang

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Abstract

Two novel multifunctional chemical sensor Mn-LMOF, namely, [Mn₂(TPPE)(ndc)₂(H₂O)]_n (LMOF-1) and [Mn₂(TPPE)(oba)₂]_n (LMOF-2) were solvothermally synthesized by introducing an AIE luminogens (AIEgens) ligand, 1,1,2,2-tetra[4-(pyridin-4-yl)phenyl]ethylene(TPPE), and analyzed by single crystal X-ray diffraction, thermogravimetric and powder X-ray diffraction and other methods. LMOF-1 and LMOF-2 have high stability and strong luminescence properties in solutions. The sensing experiments testify that LMOF-1 can be used as a selectively sensor for Al³⁺, with the limit of detection is 1.83 × 10⁻⁵ M. And LMOF-1 and LMOF-2 can identify Fe³⁺, CrO₄²⁻ and Cr₂O₇²⁻ ions in aqueous solution, and LMOF-1 has a higher Ksv for all three ions than LMOF-2.

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基于 AIEgens 配体的两种新型 Mn-LMOF 用于选择性检测水溶液中的 Al3+ 和其他离子

通过引入AIE发光体（AIEgens）配体，溶热合成了两种新型多功能化学传感器Mn-LMOF，即[Mn2(TPPE)(ndc)2(H2O)]n（LMOF-1）和[Mn2(TPPE)(oba)2]n（LMOF-2）、1,1,2,2-四[4-(吡啶-4-基)苯基]乙烯(TPPE)，并通过单晶 X 射线衍射、热重和粉末 X 射线衍射等方法进行了分析。LMOF-1和LMOF-2在溶液中具有高稳定性和强发光特性。传感实验证明，LMOF-1 可作为 Al3+ 的选择性传感器，其检测限为 1.83 × 10-5 M；LMOF-1 和 LMOF-2 可识别水溶液中的 Fe3+、CrO42- 和 Cr2O72-离子，且 LMOF-1 对这三种离子的 Ksv 均高于 LMOF-2。

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来源期刊

Polyhedron 化学-晶体学

CiteScore

4.90

自引率

7.70%

发文量

515

审稿时长

2 months

期刊介绍： Polyhedron publishes original, fundamental, experimental and theoretical work of the highest quality in all the major areas of inorganic chemistry. This includes synthetic chemistry, coordination chemistry, organometallic chemistry, bioinorganic chemistry, and solid-state and materials chemistry. Papers should be significant pieces of work, and all new compounds must be appropriately characterized. The inclusion of single-crystal X-ray structural data is strongly encouraged, but papers reporting only the X-ray structure determination of a single compound will usually not be considered. Papers on solid-state or materials chemistry will be expected to have a significant molecular chemistry component (such as the synthesis and characterization of the molecular precursors and/or a systematic study of the use of different precursors or reaction conditions) or demonstrate a cutting-edge application (for example inorganic materials for energy applications). Papers dealing only with stability constants are not considered.