CV of pure Au electrode as well as PANI@Au electrode.

More Shveta Malhotra's questions See All

How to do electrochemical surface characterization, i.e. how the size of particles will change the redox potential?

I have to do morphology characterization of the modified working electrode. At present, I only have CV instrument with me. Can anyone help if I can do electrochemical surface characterization,...

05 June 2018 6,921 5 View

Why unit of LOD reported as microM?

In many research papers for detection of glucose unit of LOD is reported as microM whereas concentration of analyte used in mM. Please if anyone can justify.

11 December 2017 9,351 3 View

How to make 2.0mM solution of polymer (such as PVF)?

Hi, I am trying to make 1000 mL of 2mM PVF solution. Can anyone suggest do I have to consider the mol wt of VF for determining the wight of PVF to be used.

10 November 2017 1,243 3 View

Calculation of electrode area from Randles–Sevcik equation?

Hi, I am looking forward to calculate area of my Pt electrode which I have modified and used in 3 electrode system for glucose solution in NaOH estimation. What I did is As per Randles–Sevcik...

10 November 2017 3,973 8 View

How to apply constant potential of −0.50 V for 5 min using Electrochemical Workstation?

Hi I have to apply constant potential of −0.50 V for 5 min for a 3-electrode system in HAuCl4 solution. I am using Electrochemical workstation. Which technique should I use? Is it, Normal Pulse...

10 November 2017 6,357 13 View

For measuring the sensitivity of my modified electrode, how to calculate area?

I need to calculate sensitivity of modified Pt electrode. For this, I need slope (which I got from calibration curve) and area. Can anyone please tell, how to calculate area to be used here.

09 October 2017 9,071 6 View

How to calculate thickness of the polymeric film using CV?

Hi, I have polymer film modified Pt electrode. How can I calculate the thickness of this polymeric film using CV? Thanks in adavance

09 October 2017 4,270 2 View

Which technique should I use for amperometric measurement using 3 electrode system?

I am trying to do barometric sensing of my modified electrode. Can anyone please let me know the technique which I should use?

08 September 2017 3,355 6 View

What is the reason for current dropping in OER , LSV curve?

I tried four trials of the same Copper Phosphides sample in Alkaline medium ( 0.5M KOH) with Hg/HgO reference electrode and Pt as counter electrode. I used 0.001 V/s scan rate for first three...

10 August 2024 3,629 1 View

Binder for ZnO nanoparticles in graphite paste electrode?

I have been using paraffin, but the deposited ZnO still detach from electrode. What is the best binder to modify graphite paste electrode with ZnO nanoparticles?

03 August 2024 4,624 3 View

How to find a reaction is reversible or irreversible in CV? How to know the number of electrons transfer?

My screen printed electrode CV is given here. For Nerstean one electron reaction the delta E value should be close to 57 mV and ration of Ic/Ia should be close to 1. I did CV of my screen printed...

30 July 2024 4,671 3 View

How to check pH of a high strength hydrogel?

We are working on biopolymeric hydrogels. Our system is highly viscous and sticky, and the gel formed are high in strength. We are unable to use pH electrode and pH strip. Please suggest an easy...

30 July 2024 942 2 View

While doing Chronoamperometry, when the light is turned off, why the current is not decreasing sharply?

Here, I have used Ag/AgCl as reference electrode and 0.5M KOH.

29 July 2024 4,538 3 View

Why semicircle of nyquist plot is not complete?

While I am doing HER, I noticed that nyquist plots of Electrochemical Impedance Spectroscopy (EIS) is not complete. Will it affect for the Linear Sweep Voltametry (LSV) data? However, I can found...

26 July 2024 7,542 4 View

Why do these abnormal charge/discharge curves of coin cell batteries appear?

As shown in the figures, there are several abnormal charge/discharge curves.Each of them may have different problems. I am curious why these situations appeared differently?There are a lot of...

24 July 2024 6,930 1 View

What binder would be the best choice to modify glassy carbon electrode with a 2D Material like Graphene or MXene?

I am trying to drop cast 2D Materials on Glassy Carbon Electrode for Cyclic voltametry and EIS purpose. What would be best binders to use?

23 July 2024 5,776 2 View

I obtain two plateu instead of one in LFP cathode assembled with graphite anode in 1M LiTFSI in DOL/DME, what does this mean?

I have attached the charging curve from the battery tester for review. I need help on what is happening

21 July 2024 6,898 2 View

I am working on III-V based tandem solar cells.Can anyone explain that solar cells work under forward or reverse biased conditions?

I want to know that n-doped side of solar cell is connected with positive or negative electrode.

20 July 2024 1,348 2 View

António Maximiano Fernandes

strong Au peak near -0,9 V

Bhushan Patil

If you can add more details like an electrolyte, pH then it will be easy to suggest something.

However, you can go through this article especially Fig.2. pure gold is also similar to it

Shveta Malhotra

Thank you António Maximiano Fernandes and Bhushan Patil