Synthesis of nanostructured palladium, palladium oxide and palladium-palladium oxide nanocomposite by the gel combustion method and application as catalyst of hydrogen release
Publish place: Iranian Chemical Communication، Vol: 4، Issue: 4
Publish Year: 1395
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_ICC-4-4_008
تاریخ نمایه سازی: 2 مهر 1398
Abstract:
This paper presents a new gel combustion method to synthesize palladium nanoparticles, palladium oxide (PdO) nanoparticles and palladium-palladium oxide nanocomposites. In the proposed method, there are some effective parameters including palladium chloride concentration, polyvinyl alcohol (PVA) concentration, acid concentration, solvent composition and combustion temperature that their values are investigated and optimized by the one at a time method. The experimental data shows that the combustion temperature is the main factor that controls the sample composition to obtain palladium, palladium oxide or palladium-palladium nanocomposites. Characterization of the synthesized samples is performed by SEM, TEM, XRD and BET specific surface area measurements. The optimized sample consisted of clusters; each cluster is composed of smaller nanoparticles with an average diameter of 25 mm and 10 m2. g-1 specific surface areas. The optimized Pd-PdO nanocomposite is successfully used as nanocatalyst for the hydrogen revolution.
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Authors
Hassan Karami
Nano Research Laboratory, Payame Noor University, Abhar, Iran
Mohammad Ali karimi
Department of Chemistry, Payame Noor University, ۱۹۳۹۵-۴۶۹۷, Tehran, I.R. of Iran
Ehsan Atin
Department of Chemistry, Payame Noor University, ۱۹۳۹۵-۴۶۹۷, Tehran, I.R. of Iran
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