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Journal:   IRANIAN JOURNAL OF PHYSICS RESEARCH   WINTER 2018 , Volume 17 , Number 5 ; Page(s) 753 To 760.
 
Paper: 

Optimizing Carbonaceous Nanostructure Composition As A Substrate To Grow Co Electro Catalysts
 
 
Author(s):  Pourreza M., Naseri N.*, Ghasemi Sh.
 
* DEPARTMENT OF PHYSICS, SHARIF UNIVERSITY OF TECHNOLOGY, TEHRAN, IRAN
 
Abstract: 
Global warming and other adverse environmental effects of fossil fuels have forced humans to consider clean and renewable energy resources. In this context, hydrogen production from water splitting reaction is a key approach. In order to reduce required over potential for water oxidation reaction, it is necessary to use low cost electro catalysts like Ni, Co, Cu, Fe, Mn, and Zn nanostructures. Herein, cobalt nanostructures developed on steel-mesh substrate were applied. Electrochemical method was used for Co nanoflakes growth because of its simplicity and scalability for commercial approach. Surely, the substrate condition is crucial in electro catalysts efficiency. Therefore, using carbonaceous support layers including nanomaterials such as graphene oxide and carbon nanotubes, can reduce over potential and increase efficiency of the electro catalyst. According to the results, 40 wt% of graphene oxide and 60 wt% of carbon nanotubes in the prepared carbon paste led to better growth for cobalt oxide nanoflakes. For the mentioned layer, cobalt was detected in metallic crystalline phase and the overpotential and electrical resistances were measured to be 305 mV and 20 ?, respectively.
 
Keyword(s): ELECTRO CATALYST, CO NANOFLAKES, GRAPHENE OXIDE SHEETS, CARBON NANOTUBES, OVER POTENTIAL
 
 
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APA: Copy

POURREZA, M., & NASERI, N., & GHASEMI, S. (2018). OPTIMIZING CARBONACEOUS NANOSTRUCTURE COMPOSITION AS A SUBSTRATE TO GROW CO ELECTRO CATALYSTS. IRANIAN JOURNAL OF PHYSICS RESEARCH, 17(5 ), 753-760. https://www.sid.ir/en/journal/ViewPaper.aspx?id=573296



Vancouver: Copy

POURREZA M., NASERI N., GHASEMI SH.. OPTIMIZING CARBONACEOUS NANOSTRUCTURE COMPOSITION AS A SUBSTRATE TO GROW CO ELECTRO CATALYSTS. IRANIAN JOURNAL OF PHYSICS RESEARCH. 2018 [cited 2022May21];17(5 ):753-760. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=573296



IEEE: Copy

POURREZA, M., NASERI, N., GHASEMI, S., 2018. OPTIMIZING CARBONACEOUS NANOSTRUCTURE COMPOSITION AS A SUBSTRATE TO GROW CO ELECTRO CATALYSTS. IRANIAN JOURNAL OF PHYSICS RESEARCH, [online] 17(5 ), pp.753-760. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=573296.
 
 
Persian Abstract Yearly Visit 76
 
 
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