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Questions related from Muhammad Usman
I was carrying out RAMAN Spectroscopy for MOFs. I have been carried out the XRD and EDX analysis for three samples synthesized by a different protocol. The crystal structure and chemical...
14 September 2020 7,298 5 View
How can I find the exact doping concentration in a chemically synthesized material? As there is no possible reaction which produces the same doping concentration of initially added ratio in a...
03 September 2020 3,800 11 View
One of my colleagues is working on the synthesis of metal oxide nanoparticle. We got a surprising issue in SEM analysis. When we start SEM imaging the sample got disappear within few second while...
28 August 2020 2,268 6 View
How can we calculate exact number of electron/hole recommendations? I carried out photoluminescence to determine the e/h combinations. This technique gives relative recombination rate but doesn't...
24 June 2020 4,136 0 View
why the intensity of Raman shift reduced for thin-film coated on glass substrate? and huge noise generated? Please suggest a suitable method to perform Raman spectroscopy for thin films.
15 January 2020 6,386 8 View
Which type of electrolyte can be used to increase the operating potential window of supercapacitor up to 2.5 V?? we have used PVA-KOH gel electrolyte, PVA-H3PO$ gel electrolyte, PVA-H2SO4 gel...
23 June 2019 5,618 14 View
What solvent can be used alternative to 2-methoxyethanole in preparation of NiO from nickle acetate?
18 October 2018 9,759 3 View
