Synthesis and Characterization of Novel Photoactive Metal–Organic Frameworks for Fluorescence Sensing of Fe3+

IF 3.2 4区化学 Q2 CHEMISTRY, ANALYTICAL

Luminescence Pub Date : 2025-03-24 DOI:10.1002/bio.70147

Jing Li, Hongjiang Ren, Yunhui Zhai, Liuchang Wang, Jiangtao Li

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引用次数: 0

Abstract

Coordination polymers (CPs) have garnered attention for their versatile structures and applications in fluorescence sensing and photochromic materials. Addressing the need for sensitive and selective detection of Fe³⁺, a crucial ion in biological, environmental, and industrial systems, this study synthesized two novel CPs, [Zn (cmmb)(bpy)_1/2] (CP1) and [Cd₅(μ₃-OH)₂(cmmb)₄] (CP2) [bpy = 4,4′-bipyridine], via hydrothermal reactions with 4-(carboxymethyl)-2-methoxybenzoic acid (H₂cmmb). Structural analysis confirmed their frameworks, which facilitate strong host–guest interactions and electron transfer modulation. Both CPs exhibited excellent Fe³⁺ sensing capabilities, with fluorescence quenching constants of 4.922 × 10⁴ M⁻¹ (CP1) and 3.294 × 10⁴ M⁻¹ (CP2), outperforming their responses to other ions. These results underscore the potential of CP1 and CP2 as effective materials for Fe³⁺ detection, providing valuable insights for designing functional CPs for ion sensing applications.

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来源期刊

Luminescence 生物-生化与分子生物学

CiteScore

5.10

自引率

13.80%

发文量

248

审稿时长

3.5 months

期刊介绍： Luminescence provides a forum for the publication of original scientific papers, short communications, technical notes and reviews on fundamental and applied aspects of all forms of luminescence, including bioluminescence, chemiluminescence, electrochemiluminescence, sonoluminescence, triboluminescence, fluorescence, time-resolved fluorescence and phosphorescence. Luminescence publishes papers on assays and analytical methods, instrumentation, mechanistic and synthetic studies, basic biology and chemistry. Luminescence also publishes details of forthcoming meetings, information on new products, and book reviews. A special feature of the Journal is surveys of the recent literature on selected topics in luminescence.