Suvankar Deka

9 Questions 12 Answers 0 Followers

Questions related from Suvankar Deka

If there is confinement of phonon in a system, how it would affect the phonon lifetime?

Whether the lifetime will increase or decrease w.r.t to a system which has no confinement? Furthermore, let me know, how I can use PCM model and extract the Raman profile for a particular range...

13 October 2023 6,762 1 View

Can anyone share the CIF File of NiFe LDH?

I want to perform some DFT study for which I require the CIF file. I searched COD and materials project, but it's not there.

25 June 2023 8,062 2 View

Which is the best binder we can use while preparing the catalyst for electrochemical measurements?

While preparing the catalyst, we are using a mixture of nafion solution and ethanol-water, and after drop casting in carbon cloth, we found that the surface becomes hydrophobic. Prior to drop...

01 May 2023 692 3 View

Can we use Anson equation only for diffusion limited process?

Suppose I want to calculate the diffusion coefficient for an OER which is not only diffusion limited but also dependent on adsorption of redox species. Will it be correct to use Anson equation?...

25 April 2023 2,479 6 View

What does a parallel Cottrell plot refer to?

While taking chronoamperometry measurement (FOR OER), I found that the plot of Current(I) vs square root of time (t^1/2) yields a straight line. What does it mean?

17 April 2023 9,885 2 View

At what potential we should measure the solution resistance from EIS?

Whether it should be with respect to E (reference) or E (open circuit) ? And what is the potential value we need to put? Whether we should consider the onset potential from LSV or at 0V?

10 April 2023 2,195 6 View

How does positive zeta potential of a catalyst can help in oxygen evolution reaction?

Can it help to improve the durability and corrosion resistance of the catalyst by minimizing the formation of surface hydroxide species or dissolution of the catalyst material? Please cite some...

28 March 2023 2,634 3 View

What are the ways of depositing powder sample in Glassy carbon electrode?

I have made a mixture of the metal oxide sample with water and nafion in 2:1 ratio and then deposited it on the electrode and let it dry in oven for about 2 minutes. But, after a few minutes while...

11 October 2021 2,166 6 View

Why inorganic metal oxide shows high thermal stability?

I have performed TGA of a metal oxide and have found that it is almost constant up to 750 °C i.e there is no weight loss. Therefore, on what parameter or basis its thermal stability can be explained?

11 June 2021 8,409 7 View