Nikolaos Kostoglou

3 Questions 3 Answers 0 Followers

Questions related from Nikolaos Kostoglou

Could Raman spectroscopy reveal the presence of Pt and Ru nanoparticles dispersed on a carbon powder?

I am just curious if Pt and Ru nanoparticles (5 wt.%) dispersed in a carbon powder using a combined wet chemical and thermal treatment could actually be present in the Raman spectrum.

10 November 2015 8,439 5 View

Is ultra-sonication an effective method to increase the specific surface area of carbon nanopowders?

Can ultra-sonication be considered as an effective method/treatment in order to increase the specific surface area of carbon powders (e.g. carbon nanotubes, graphene nanoplatelets, etc)?

27 November 2014 7,275 11 View

Is an irreversibility/hysteresis expected upon H2 desorption at 273 K from a Pt-doped carbon surface?

We have carried out H2 adsorption and desorption measurements at 77 and 273 K using a low-pressure (0-1 bar) gas sorption analyzer (i.e. volumetric method) for a pure few-layer graphene powder...

01 January 1970 7,952 5 View