Short answer
In the preparation of metal nanoparticle the particle size decrease with increasing capping (PVP) agent up to some value, but the size of the particle increase after adding more capping agent....
11 December 2018 5,975 4 View
I am using PVP as a capping agent for nanoparticle preparation. How can I remove PVP after formation of nanoparticle, which is supported by carbon material? Thanks!
02 March 2018 7,556 5 View
For L2 and L3 edge analysis of Au from AuCu alloy the intensity of my Au nano-particle is higher than the reference (Au foil) it is a little strange for me. Any one reason out this case? Thanks a lot!
09 October 2017 618 2 View
Is there a possibility that efficiency of electro-oxidation would better on flat/non-porous substrate than porous substrate for the same catalyst? I used relatively non-porous substrate for my...
05 June 2017 1,414 2 View
I determine the surface area of my electrode using Randles Sevcik equation, however this surface area is less than the geometrical/physical surface area of the electrode. What is this means? Does...
11 December 2016 5,681 11 View
I am depositing Ni on the home made electrode/substrate via cyclic voltammetry. During deposition at high number of cycles some white thing(a big suspension) is releasing from the substrate. Is...
08 September 2016 779 11 View
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
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
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
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
Here, I have used Ag/AgCl as reference electrode and 0.5M KOH.
29 July 2024 4,538 3 View
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
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
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 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 want to know that n-doped side of solar cell is connected with positive or negative electrode.
20 July 2024 1,348 2 View
