Intermolecular forces and assembly strategies in porphyrin-based electrochemiluminescence: Mechanisms and future prospects

IF 11.8 1区化学 Q1 CHEMISTRY, ANALYTICAL

Trends in Analytical Chemistry Pub Date : 2024-09-21 DOI:10.1016/j.trac.2024.117969

Yi-Xuan Li , Yu-Xuan Dai , Jérôme Chauvin , Xue-Ji Zhang , Serge Cosnier , Dan Shan

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Abstract

The exploration of innovative luminophores is critical for enhancing the efficiency and stability of electrochemiluminescence (ECL). Porphyrins, with their superior optical and electrical properties, have emerged as promising organic ECL emitters. The tunable functional groups of the porphyrins facilitate their assembly into ordered structures, thereby reducing aggregation-caused quenching (ACQ) and achieving desirable photophysical properties. This review introduces the effect of central metal and peripheral substituents of porphyrins on their ECL properties. It then summarizes various assembly strategies for developing enhanced porphyrin-based ECL emitters, focusing on the intermolecular forces introduced by the porphyrin ring, the central metal and peripheral substituents. By correlating characterization and ECL results, the structure-activity relationship between porphyrin assembly structure and ECL performance is analyzed, providing significant reference and guidance for the future design of organic ECL emitters. Finally, current challenges and future perspectives for the construction of porphyrin-based ECL emitters are discussed.

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基于卟啉的电化学发光中的分子间作用力和组装策略：机理与未来展望

探索创新型发光体对于提高电化学发光（ECL）的效率和稳定性至关重要。卟啉具有优异的光学和电学特性，已成为前景广阔的有机 ECL 发光体。卟啉的可调官能团有利于它们组装成有序结构，从而减少聚集引起的淬灭（ACQ），实现理想的光物理特性。本综述介绍了卟啉的中心金属和外围取代基对其 ECL 特性的影响。然后，它总结了开发增强型卟啉基 ECL 发射器的各种组装策略，重点是卟啉环、中心金属和外围取代基引入的分子间作用力。通过表征与 ECL 结果的关联，分析了卟啉组装结构与 ECL 性能之间的结构-活性关系，为未来有机 ECL 发射器的设计提供了重要的参考和指导。最后，讨论了构建卟啉基 ECL 发射器的当前挑战和未来展望。

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

Trends in Analytical Chemistry 化学-分析化学

CiteScore

20.00

自引率

4.60%

发文量

257

审稿时长

3.4 months

期刊介绍： TrAC publishes succinct and critical overviews of recent advancements in analytical chemistry, designed to assist analytical chemists and other users of analytical techniques. These reviews offer excellent, up-to-date, and timely coverage of various topics within analytical chemistry. Encompassing areas such as analytical instrumentation, biomedical analysis, biomolecular analysis, biosensors, chemical analysis, chemometrics, clinical chemistry, drug discovery, environmental analysis and monitoring, food analysis, forensic science, laboratory automation, materials science, metabolomics, pesticide-residue analysis, pharmaceutical analysis, proteomics, surface science, and water analysis and monitoring, these critical reviews provide comprehensive insights for practitioners in the field.