Synthesis, Characterization, and Redox Reactions at the Solid–Liquid Interface of Submicron-Size Ru(edta) Complex

IF 3.6 2区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Chemistry - A European Journal Pub Date : 2026-10-13 Epub Date: 2026-07-01 DOI:10.1002/chem.71307

Marta Chrzanowska, Yogeswara Rao Pateda, Barbara Kubiak, Weronika Walędziak, Olga Impert, Erik Rakovský, Viliam Vretenár, Anna Katafias, Debabrata Chatterjee, Rudi van Eldik

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引用次数: 0

Abstract

A submicron-sized colloidal ruthenium coordination compound was synthesized from a supersaturated solution of K[Ru^III(Hedta)Cl] complex (edta⁴⁻ = ethylenediaminetetraacetate) using the antisolvent method. Electron microscopy (SEM/STEM) and spectroscopic (UV–vis and IR) studies revealed that the resulting submicron particles of K[Ru^III(edta)(H₂O)], denoted as K[Ru^III(edta)(H₂O)]_SP, undergo ligand substitution with thiourea (TU) to form K[Ru^III(edta)(TU)]_SP, as well as redox reaction with hydrogen peroxide (H₂O₂) yielding K[Ru^V(edta)(O)]_SP at the solid–liquid interface of a multiphase system. Furthermore, K[Ru^III(edta)(H₂O)]_SP exhibited catalytic activity toward oxidative degradation of methylene blue (MB) in the presence of H₂O₂. The present study demonstrates that the characteristic coordination and redox reactivity of the Ru(edta) system are retained upon conversion to submicron particles, providing a model platform for investigating transition metal complex chemistry at solid-liquid interfaces.

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亚微米尺寸Ru（edta）配合物的合成、表征及固液界面氧化还原反应。

以K[RuIII(Hedta)Cl]配合物（edta4- =乙二胺四乙酸酯）过饱和溶液为原料，采用反溶剂法合成了一种亚微米大小的胶体钌配位化合物。电镜（SEM/STEM）和光谱（UV-vis和IR）研究表明，得到的K[RuIII(edta)(H2O)]亚微米颗粒，表示为K[RuIII(edta)(H2O)]SP，与硫脲（TU）进行配体置换形成K[RuIII(edta)(TU)]SP，并与过氧化氢（H2O2）在多相体系固液界面发生氧化还原反应生成K[RuV(edta)(O)]SP。此外，K[RuIII(edta)(H2O)]SP在H2O2存在下对亚甲基蓝（MB）的氧化降解表现出催化活性。本研究表明，Ru（edta）体系在转化为亚微米颗粒时保留了其特有的配位性和氧化还原反应性，为研究固液界面过渡金属络合化学提供了模型平台。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Chemistry - A European Journal 化学-化学综合

CiteScore

7.90

自引率

4.70%

发文量

1808

审稿时长

1.8 months

期刊介绍： Chemistry—A European Journal is a truly international journal with top quality contributions (2018 ISI Impact Factor: 5.16). It publishes a wide range of outstanding Reviews, Minireviews, Concepts, Full Papers, and Communications from all areas of chemistry and related fields. Based in Europe Chemistry—A European Journal provides an excellent platform for increasing the visibility of European chemistry as well as for featuring the best research from authors from around the world. All manuscripts are peer-reviewed, and electronic processing ensures accurate reproduction of text and data, plus short publication times. The Concepts section provides nonspecialist readers with a useful conceptual guide to unfamiliar areas and experts with new angles on familiar problems. Chemistry—A European Journal is published on behalf of ChemPubSoc Europe, a group of 16 national chemical societies from within Europe, and supported by the Asian Chemical Editorial Societies. The ChemPubSoc Europe family comprises: Angewandte Chemie, Chemistry—A European Journal, European Journal of Organic Chemistry, European Journal of Inorganic Chemistry, ChemPhysChem, ChemBioChem, ChemMedChem, ChemCatChem, ChemSusChem, ChemPlusChem, ChemElectroChem, and ChemistryOpen.