Formation of nano sized nickel coated graphite by adding the anionic surfactant

سال انتشار: 1389
محل انتشار: چهارمین همایش پیل سوختی
کد COI اختصاصی: PEEL04_072
زبان مقاله: انگلیسی
تعداد مشاهده: 1541

نویسندگان

Graduate Student, Iran University of Science and Technology

Professor in Physical Chemistry, Iran University of Science and Technology

چکیده

An electroless technique was developed to coat nickel on graphite with high nickel deposition rate and bath stability. The graphite were pre-treated by putting the electrodes in coloride stannous and palladium coloride bath. As it published in literature electroless nickel (EN) deposition bath is known to have a major problem of sudden bath decomposition, which results in an increase in the operating cost and the generation of environmentally hazardous waste. Bath stabilizers are normally added to extend its life. In this paper, the effects of some electroless nickel bath stabilizers; potassium sodium tartarat tetrahydrate, acetate plumb and sodiumdodecyl sulfate were investigated. It was observed that the stabilizers have a major effect on the EN deposits. It is also shown that the addition of surfactant has an effect on the nano-grain size of the EN deposit. Scanning electron microscopy (SEM) images, XRD pattern of the composites all confirm the deposition of nickel

کلیدواژه ها

Graphite, Electroless nickel deposition, Anionic surfactant

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