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Essential Role of Electrode Materials in Electrochemiluminescence Applications
Author(s) -
Valenti Giovanni,
Fiorani Andrea,
Li Haidong,
Sojic Neso,
Paolucci Francesco
Publication year - 2016
Publication title -
chemelectrochem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.182
H-Index - 59
ISSN - 2196-0216
DOI - 10.1002/celc.201600602
Subject(s) - electrochemiluminescence , electrode , materials science , nanotechnology , indium tin oxide , working electrode , reference electrode , electrochemistry , absolute electrode potential , optoelectronics , doping , chemistry , thin film
The phenomenon of electrochemiluminescence (ECL) is luminescence triggered by electrochemical reactions at electrodes. Heterogeneous electron transfers are deeply dependent on electrode materials, therefore, besides the usual parameters, the right choice of the electrode is a crucial point to address properly in order to maximize the emission efficiency. Many different electrodes have been studied, from metallic platinum or gold through transparent indium‐doped tin oxide to carbon‐based electrodes, and others, such as paper‐based and boron‐doped diamond. This review summarizes results of ECL at different electrode surfaces, disclosing the relative advantages and disadvantages, with a particular attention to the reference Ru(bpy) 3 2+ /TPrA coreactant system. In other words, we offer an insight to recognize and select the optimal electrode material for the ECL systems of interest with particular emphasis on the biosensing applications.