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Growth and characterization of electrodeposited orthorhombic FePO_4.2H_2O material
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نویسنده
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bouamer h. ould ,el joumani m. ,lakhal m. ,kaichouh g. ,ouzaouit k. ,faqir h. ,el hourch a. ,guessous a.
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منبع
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journal of materials and environmental science - 2018 - دوره : 9 - شماره : 4 - صفحه:1247 -1254
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چکیده
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Orthorhombic hydrated phosphates fepo₄·2h₂o form has been synthesized by using the electrochemical oxidation of a solution containing a precursor of iron in phosphoric acid. by means of the voltammetry cyclic, we were able to show the mechanism of the formation of the electrolytic deposit by diffusion process. the study of the influence of certain parameters such as the concentration of iron ions, phosphoric acid h_3po_4 and the scanning rates was realized in this article. a series of experiments including an x-ray diffraction study, thermogravimetric analysis and transmission electron microscopy investigation helped in determining the exact chemical formula of the obtained phase, i.e. fepo_4·2h₂o. the phase exhibits an orthorhombic structure with a=9.904å; b=10.116å; c=8.767å.
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کلیدواژه
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Voltammetry; iron; deposit; diffusion; FePO_4·2H_2O
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آدرس
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mohammed v university, faculty of science, materials, nanotechnologies and environment laboratory, department of chemistry, Morocco, mohammed v university, faculty of science, materials, nanotechnologies and environment laboratory, department of chemistry, Morocco, mohammed v university, faculty of science, materials, nanotechnologies and environment laboratory, department of chemistry, Morocco, mohammed v university, faculty of science, materials, nanotechnologies and environment laboratory, department of chemistry, Morocco, reminex research center, managem group, Morocco, reminex research center, managem group, Morocco, mohammed v university, faculty of science, materials, nanotechnologies and environment laboratory, department of chemistry, Morocco, mohammed v university, faculty of science, materials, nanotechnologies and environment laboratory, department of chemistry, Morocco
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پست الکترونیکی
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guessous95@yahoo.fr
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Authors
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