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Questions related from Mohamed S. Mahmoud
Dear Colleagues We are currently preparing transition metal-doped rGO sheets using the classical modified Hammer method. We need to understand the composition of the prepared sample. for example,...
16 July 2019 973 4 View
Dear colleagues We prepared a p/n nanocomposite based on GO, TiO2 and Co/Ni. How to check the stability of the new CB/VB ? and what is the effect of changing the nanoparticles ratio on the...
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Dear researchers I would like to ask about the electron mobility through the conduction band. I have n-type TiO2 nanotube doped with Cd (where its oxide give a n-type semiconductor). I applied...
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Dear researchers We are studying the photocatalytic activity of Mn doped TiO2 nanostructures. I need to know how to calculate the electron/hole recombination lifetime. Please let me know if you...
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Dear Colleagues I am working now in the preparation and verification of photo-catalyst composed of Metal-doped TiO2 nanotube. In the process of conversion of photons to excited-state electrons,...
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We are planning to use titanium for ORR at cathode in Fuel cell. Can we sputter titanium over carbon cloth? if not what is the suitable way to deposit titanium over carbon cloth? Regards,
14 March 2017 10,014 1 View
I want to ask about the dual function metal catalyst that is added to enhance the rate of production of oil from the pyrolyser, how can I fix this type of catalyst inside the reactor or should I...
21 April 2016 3,921 3 View
We have deposition of mixture of Zn, Mg and their oxides over Cu substrate, what is the best method to detect the % of each constituent taking into consideration that metal oxide coexist with the...
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