Sai Gourang Patnaik

12 Questions 22 Answers 0 Followers

Questions related from Sai Gourang Patnaik

Why do I notice XRD peak splitting upon deposition of porous gold on flat gold substrates?

I deposited um range thick porous Au films on flat Au substrates. During XRD studies, I notice peak splitting in all the peaks for porous gold. Is this because of present of two phases or because...

11 November 2019 3,123 3 View

What will be a good option for cathode for Sn based alloy anodes?

I am trying to fabricate full cell to evaluate performance of my Sn based alloy anodes. Currently I have tried LiMnO2 based cathodes but not able to obtain stable OCV after charging. I am using a...

09 September 2019 7,236 3 View

Increase in pH of dilute strong acid solutions with increase in temperature - theoretical basis?

When I prepared a solution with 100 ml of 0.2M KCl and 0.5 ml of 0.2M HCl, the pH of the solution was 2.33. However, when I heated it up to 50 C then the pH dropped to 0.88. Now since HCl is a...

02 February 2019 4,711 2 View

How essential is a luggin capillary in electrodepostion experiments?

I am trying to perform electrodepostion of transition metal oxides on a Pt substrate using three electrode set up using Ag/AgCl reference electrode. There are many literature in this area which...

11 November 2018 6,353 0 View

How can I dissolve lyophillised carboxymethylchitosan (CMC) in water?

As CMC is not readily soluble in water, lyophillised sample becomes more difficult to dissolve. Has anybody come acrossany procedure to overcome this difficulty? Will it become a true solution or...

08 August 2018 936 0 View

Is it possible to obtain abnormally high molecular weight for aromatic schiff's base polymer?

Recently, I was trying to obtain schiffs base polymer from aromatic diammine and aromatic diketone via polycondensation, and obtained usual insouluble precipitate. Upon heating the ppt in DMF and...

05 May 2017 767 8 View

How to plot differential capacity plots using origin or excel ?

IS it possible to draw differential capacity plots using origin or excel?

12 December 2016 2,484 1 View

How to perform correction for ohmic resistance in phase angle bode plots ?

Is there any option in softwares like Z sim or any other fitting software for performing the correction of ohmic resistance in phase angle bode plot? What other alternative is there to find the...

09 September 2016 5,687 4 View

What is the meaning of a very low warburg element in EIS of a Li ion anodic half cell having graphite electrode?

EIS of a anodic half cell having graphite anode having nafion as binder shows very less warburg component value when EIS is measured immediately after fabrication compared to when PVDF is used as...

09 September 2016 5,612 2 View

Are aromatic polyimines electrondeficient in nature?

There are literature(Macromolecules 1995,28, 1180-1196) which claim that aromatic polyimines are electron deficient in nature. However the electron rich Nitrogen group would readily delocalise...

08 August 2016 4,645 2 View

How can I perform CV studies with a polymer film anode with respect to Li?

I want to avoid using Li metal directly. Is it possible to use any other reference electrode and then reference it back to Li ? If yes, can you provide an example to do that?

05 May 2016 1,184 7 View

What general difference in profile can we observe for IR spectra of a monomer and corresponding polymer?

I am interested in the difference in general profile pattern and not in fingerprint stretching frequencies. What change in the profile can be expected in the polymeric samples against monomer...

03 March 2016 6,639 6 View