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Electrochemiluminescence of Bare Glassy Carbon with Benzoyl Peroxide as the coreactant in N,N-Dimethylformamide

Journal of Analysis and Testing 2020年第4期4卷 257-263页

作者： ShuiJian He Kenneth Chu Jonathan Michael Wong Liu-Qing Yang Jonathan Ralph Adsetts Rui-Zhong Zhang Yan-Hua Chen Zhi-Feng Ding College of Materials Science and Engineering Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest ResourcesNanjing Forestry UniversityNanjing 210037China Department of Chemistry The University of Western OntarioLondonON N6A 5B7Canada Tianjin Key Laboratory of Molecular Photoelectronic Sciences Department of ChemistryTianjin UniversityTianjin 300072China

The electrochemiluminescence(ECL)properties of many carbon materials have been reported with glassy carbon(GC),Pt,Au or indium tin oxide(ITO)as the working electrode(WE).As one type of carbon materials,GC itself can generate ECL *** research groups have already noticed the ECL signal from GC WE and reported the results of GC WE with respect to their ***,comprehensive analyses of ECL properties of GC WE are ***,the ECL properties of GC WE in organic electrolyte with benzoyl peroxide as the coreactant are *** results are of great importance to distinguish the true ECL data of luminophores from that of GC.

关键词： Glassy carbon Electrochemiluminescence(ECL) Spooling ECL spectroscopy ECL intensity coreactant Benzoyl peroxide

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Electrochemiluminescence in Thermo-Responsive Hydrogel Films with Tunable Thickness

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Journal of Analysis and Testing 2020年第2期4卷 107-113页

作者： Haidong Li Valérie Ravaine Neso Sojic Univ.Bordeaux Bordeaux INPISM CNRS UMR 5255Site ENSCBP33607 PessacFrance School of Chemistry and Chemical Engineering Yangzhou UniversityYangzhou 225002China

Electrochemiluminescence(ECL)has attracted considerable interest for many applications such as microscopy,(bio)analysis,light-emitting materials or *** this work,we report the fabrication and characterization of ECL-active hydrogel films with tunable *** redox films were prepared by electrochemically-assisted radical polymerization by potential cycling of a PBS solution containing the monomer N-isopropylacrylamide,the initiator potassium persulfate,the cross-linker N,N′-methylenebis(acrylamide)and the Ru(bpy)3 *** deposits were easily prepared in a rapid and well-controlled one-step *** resulting homogeneous films are composed of a poly(N-isopropylacrylamide)(pNIPAM)matrix,which incorporates covalently[Ru(bpy)_(3)]^(2+)*** thickness and the number of ECL-active sites is tuned by control-ling the number of voltammetric *** deposited pNIPAM films are permeable to water-soluble chemicals such as the coreactant tri-n-propylamine(TPrA).The voltammetric characterization shows a continuous increase of the number of redox-active *** indicate that ECL signals are proportional to the number of electrodeposited[Ru(bpy)_(3)]^(2+)*** approach combining ECL and stimuli-responsive hydrogels open exciting prospects for developing new(bio)sensing materials.

关键词： Electrochemiluminescence Hydrogel pNIPAM film [Ru(bpy)_(3)]^(2+) coreactant Electrochemically-assisted radical polymerization

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