Electrochemical generation of solvated electrons from nanostructured carbon |
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| Affiliation: | 1. Institute of Problems of Chemical Physics, Russian Academy of Sciences, Moscow Region, Chernogolovka 142432, Russia;2. Institute of Energy Problems of Chemical Physics, Russian Academy of Sciences, Moscow Region, Chernogolovka 142432, Russia;1. Departamento de Ingeniería Química, Facultad de Ciencias y Tecnologías Químicas, Universidad de Castilla-La Mancha, Avenida Camilo José Cela 12, 13005 Ciudad Real, Spain;2. Université de Lorraine, Institut Jean Lamour, UMR7198, F-54011 Nancy, France;3. CNRS, Institut Jean Lamour, UMR7198, F-54011 Nancy, France;1. Department of Chemistry, Isfahan University of Technology, Isfahan 84156-83111, Iran;2. Faculty of Chemistry, Vienna University of Technology, Getreidemarkt 9/164SC, A-1060 Vienna, Austria;1. Laboratory of Electronics and Microelectronics, University of Monastir, Monastir 5000, Tunisia;2. National Center for Nuclear Sciences and Technologies, BP 72, Sidi Thabet 2020, Tunisia;1. CSU Engineering, Faculty of Business, Justice and Behavioural Sciences, Charles Sturt University, Panorama Avenue, Bathurst, NSW, Australia;2. Institute of Land, Water, and Society, Charles Sturt University, Australia |
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| Abstract: | Voltammograms for electrodes fabricated of nanostructured carbon of various morphology (nanotube paper, columnar and filament structures) in hexamethylphosphoric triamide (HMPA) solution have been obtained and analysed. Intensive dark-blue coloration near cathode surface at potentials as low as E ∼ −1.2 V (s.c.e.) has been observed. An ESR (electron spin resonance) spectrum of this frozen dark-blue solution was recorded. This spectrum coincides with one of free electrons. Experimental proofs of the existence of electron emission into electrolytic solutions at moderate cathodic potentials are present for all electrodes. This effect is established to be connected with the presence of atomically sharp areas on the electrode surfaces. |
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