Electrochemiluminescence of iridium(<scp>iii</scp>)/ruthenium(<scp>ii</scp>) complexes with naphthyl tags in solutions and host–guest thin films

Qu, Weiyu; Yang, Xinrui; Huang, Xiaojin; Guo, Weiliang; Dai, Zhihui

doi:10.1039/d3dt03922f

Cited by 2 publications

References 53 publications

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Dual‐Coreactants Enhanced Electrochemiluminescence

Ding,

2024

Chemistry A European J

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The electrochemiluminescence (ECL) of ruthenium(II) tris(2,2'‐bipyridyl) (Ru(bpy)32+) with tri‐n‐propylamine (TPrA) as the good coreactant can be unexpectedly enhanced by a weak coreactant, such as triethanolamine (TEOA). First, the intensity of ECL emitted by Ru(bpy)32+/TPrA can be remarkably amplified by 10.8‐fold after adding some amount of TEOA. Moreover, the ECL layer thickness, measured by self‐interference spectroscopy, is also doubled. The enhancement far exceeding the superposition of respective contribution of TPrA and TEOA was elucidated by a “chemical oxidation mechanism”, in which TEOA+• acts as a chemical enhancer to oxidize TPrA in solution and to accelerate significantly the ECL reaction kinetics. This mechanism was proved by single‐photon counting experiment and finite element simulations. In addition, the dual‐coreactants strategy works well not only in solution with freely diffusive Ru(bpy)32+, but also on Ru(bpy)32+‐functionalized microbeads, suggesting that ethanolamines could act as cheap, easily available and low‐background enhancers for ECL‐based bioanalysis and microscopy.

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Dual‐Coreactants Enhanced Electrochemiluminescence

Ding,

2024

Chemistry A European J

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Electrochemistry of ruthenium solid-state surface: fabrication and application

Al Hinaai,

Balushi

2024

Electrochemistry

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The requirement for energy, stokehole chemicals, quality controls, monitoring public health, and environmental pollution encouraged the investigation rate to develop compounds with distinctive properties for special applications. Researchers have proven that ruthenium (Ru) solid-state substances possess potential characteristics such as conductivity, stability, catalytic activity, and the ability to integrate with many other compounds. Intensive research has led to the progression of novel technologies, and many of these nanomaterials have demonstrated their enormous potential in various industries, especially in the field of chemical and industrial catalysts. Ru solid-state surfaces demonstrate high effectiveness and efficiency in catalyzing large numbers of chemical reactions. The recent trend involves nanoparticles, such as graphene, gold, and many bimetallic alloys. The critical enhancements were in the stability and improving the active site numbers. Ru based electronic devices such as capacitors show excellent performance in terms of current density and charge/discharge recycling ability. Also, with the with the most progress in the Ru-complexes base electromigrated chemiluminescent sensor unlimited and its analytical performance improving gradually, the researchers enabled the creation of solid-state surface sensors for an enormous number of analytes. In this chapter, the electrochemistry applications of Ru solid-state surfaces in attractive research fields are explored, as is the progress in the synthesis of solid-state surfaces and their characteristics and properties.

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Electrochemiluminescence of iridium(iii)/ruthenium(ii) complexes with naphthyl tags in solutions and host–guest thin films

Abstract: Herein we report the electrochemiluminescence (ECL) generation from three new iridium(III)/ruthenium(II) (Ir(III)/Ru(II)) complexes with naphthyl (nap) tags in solutions and in host-guest thin films. In comparison with its parent structure,...

Cited by 2 publications

References 53 publications

Dual‐Coreactants Enhanced Electrochemiluminescence

Dual‐Coreactants Enhanced Electrochemiluminescence

Electrochemistry of ruthenium solid-state surface: fabrication and application

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