Electrolytic aminated carbon materials for the electrocatalytic redox reactions of inorganic and organic compounds |
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| Authors: | Eriko Hayashida Yuichi Takahashi Hideki Nishi Shunichi Uchiyama |
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| Affiliation: | 1. Department of Applied Chemistry, Graduate school of Engineering, Saitama Institute of Technology 1690 Fusaiji, Fukaya, Saitama 369-0293, Japan;2. Department of Applied Chemistry, Faculty of Engineering, Saitama Institute of Technology 1690 Fusaiji, Fukaya, Saitama 369-0293, Japan;1. Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, China;2. Max Planck Institute for Terrestrial Microbiology & LOEWE Center for Synthetic Microbiology (SYNMIKRO), Marburg, Germany;1. Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Via Aldo Moro 2, 53100 Siena, Italy;2. Department of Chemistry, University of Florence, Via della Lastruccia 3-13, 50019 Sesto Fiorentino, Florence, Italy;3. Institute of Inorganic Chemistry, University of Vienna, Währinger Str. 42, A-1090 Vienna, Austria;1. Université Hassan 1er, Laboratoire de Chimie et Modélisation Mathématique, Faculté Polydisciplinaire, BP: 25000 Khouribga, Morocco;2. Université Hassan 1er, Laboratoire de Sciences des Matériaux, des Milieux et de la Modélisation, Faculté Polydisciplinaire, BP: 25000 Khouribga, Morocco |
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| Abstract: | Some kinds of amine groups can be introduced to the glassy carbon surface by the electrode oxidation of the carbon electrode surface in ammonium carbamate solution, and this amine groups modified electrode is named as an aminated glassy carbon electrode. The existences of not only primary amine but also secondary and tertially amines were confirmed by X ray photoelectron spectroscopy. The applications of the aminated carbon material for the electrocatalytic reductions of oxygen, hydrogen peroxide, and organic compounds such as quinones were carried out, and the effects of amination on the formation of electrocatalytic sites for many species were revealed. The electrocatalyzed cyclic voltammograms of metal ions and metal chelate compounds obtained by aminated glassy carbon electrodes are also discussed. Moreover, we intend to describe that the aminated carbon electrode can exhibit the large reduction waves of inorganic oxoacids such as N02? or bromide ion. The introduced functional groups containing nitrogen atom can change the distribution of the electron densities of the graphite carbon surface, and this specific electron distribution environment may generate the various electrocatalytic activities. |
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