Lanthanum(III) Coordination Polymer Decorated With 2,1,3-Benzoxadiazole Units for Sensitive Luminescent Recognition of Sulfate Anion

IF 3.7 2区化学 Q2 CHEMISTRY, APPLIED

Applied Organometallic Chemistry Pub Date : 2025-02-21 DOI:10.1002/aoc.70082

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

One-dimensional coordination polymer La-CP, {[La(H₂O)₂(HL_O) (L_O)]·H₂O}_n containing a new luminescent ligand 4,7-di(4-carboxypyrazol-1-yl)-2,1,3-benzoxadiazole (H₂L_O) was synthesized. Upon excitation at 400 nm, the compound shows a strong emission with the maximum at 550 nm with high photoluminescence quantum yield of 43%. La-CP demonstrates sensing properties toward aluminum and gallium cations, as well as dihydrogen phosphate and sulfate anions through the emission enhancement response. The limits of detection were 0.42, 0.70, 0.37, and 0.40 μM, respectively. La-CP is the first example of a sensor for sulfate anion among all types of coordination polymers. The uptake of the analytes under the sensing conditions was evaluated, and a strong absorption enhancement as a result of such uptake was proposed as a probable emission response mechanism.

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来源期刊

Applied Organometallic Chemistry 化学-无机化学与核化学

CiteScore

7.80

自引率

10.30%

发文量

408

审稿时长

2.2 months

期刊介绍： All new compounds should be satisfactorily identified and proof of their structure given according to generally accepted standards. Structural reports, such as papers exclusively dealing with synthesis and characterization, analytical techniques, or X-ray diffraction studies of metal-organic or organometallic compounds will not be considered. The editors reserve the right to refuse without peer review any manuscript that does not comply with the aims and scope of the journal. Applied Organometallic Chemistry publishes Full Papers, Reviews, Mini Reviews and Communications of scientific research in all areas of organometallic and metal-organic chemistry involving main group metals, transition metals, lanthanides and actinides. All contributions should contain an explicit application of novel compounds, for instance in materials science, nano science, catalysis, chemical vapour deposition, metal-mediated organic synthesis, polymers, bio-organometallics, metallo-therapy, metallo-diagnostics and medicine. Reviews of books covering aspects of the fields of focus are also published.