Photoelectrochemical Hydrogen Production from Aqueous Solution Containing Cyanide Using Bi2MNbO7 (M = Al, Fe, Ga, In) Films on Stainless Steel as Photoanodes
作者： J. A. Pedraza-Avella , K. L. Rosas-Barrera , J. E. Pedraza-Rosas , D. A. Laverde-Cataño
DOI: 10.1007/S11244-011-9655-4
关键词: Electrochemical cell 、 Potentiometric titration 、 Cyanide 、 Materials science 、 Hydrogen production 、 Aqueous solution 、 Inorganic chemistry 、 SAE 304 stainless steel 、 Photoelectrochemical process 、 Water splitting
摘要: Photoelectrochemical water splitting (UV–Vis, 2.5 V) from alkaline solution containing cyanide was evaluated in a conventional two-compartment electrochemical cell by using Bi2MNbO7 (M = Al, Fe, Ga, In) films on AISI/SAE 304 stainless steel as photoanode and silver plate cathode. The were prepared sol–gel dip-coating followed thermal treatment at 500 °C. They characterized scanning electron microscopy, X-ray diffraction energy dispersive fluorescence. During the photoelectrochemical process, both circulating current hydrogen production measured. Changes concentration determined potentiometric titration. activity of higher or equivalent than that TiO2 film dependent electrolyte composition concentration. obtained results make further work subject very encouraging.
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