Saad Mohamed

3 Questions 16 Answers 0 Followers

Questions related from Saad Mohamed

The fitting of Co2p XPS spectra in case of Co3O4 and its family?

I would like to ask all of you, which oxidation state peak appear at lower B.E? Co3+ or Co2+? (Attached) Some paper fit 2p3/2 and 2p1/2 peaks to two peaks, one at lower B.E is correlated to Co3+...

13 April 2017 4,273 8 View

Is it possible to perform galvanostatic charging/discharging test by using Voltlab 40 potentiostat/galvanostat?

I am trying to measure the galvanostatic charge discharge of metal oxide using Voltalab 40 with voltamaster 4 software (attached JPG). But I am unable to keep the voltage window constant using...

21 May 2016 2,370 6 View

Why the redox peaks are absent in two electrode systems of Supercapacitors?

it is reported that "The absence of redox peaks indicates that the supercapacitors are charged and discharged at a pseudo-constant rate over the entirevoltammetric cycles" Nat. Nanotechnol. 2011,...

02 June 2015 1,618 4 View