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 5,781 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 7,421 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 554 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 1,333 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 5,613 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 701 11 View
I am using a Sutter electrode holder for my patch clamp experiments, but I'm having trouble keeping positive pressure inside my electrode due to a leak out of the back of the holder. I have added...
02 March 2021 5,829 1 View
I want to do RF sputtering of ITO on glass substrate using magnetron sputtering. what thickness do i need to make it good conductive layer to use it for PSC. Moreover, whats about thickness of...
01 March 2021 395 3 View
I am conducting anodic electrodeposition of MnO2 onto a stainless steel substrate, using a platinum strip as a counter electrode. This is done galvanostatically, with the current held between 5...
27 February 2021 1,829 3 View
During performing CV of a GCE or modified GCE, we rise the potential in the first half of the cycle and reduce it in reverse half. During the first half, what is the nature of charge on GCE or...
25 February 2021 7,994 3 View
I am trying to characterize an electrochromic system. The system uses ITO electrodes on glass, WO3 as the electrochromic film, and NiO as the ion storage layer. When I deposit NiO and WO3 and...
23 February 2021 9,592 2 View
What are the testing rate for electrodes recommended by ASTM for cochlear implants. I am currently doing the 15mm/min elongatio testing.
22 February 2021 1,515 1 View
One of my colleagues said, "the impedance you can measure with the three electrodes and with the specific sequence varying the frequency" Is it possible to configure the potenciostat without the...
21 February 2021 418 2 View
Hello everyone Do you have any information about this error 'The experiment was stopped by a potential overload on Vs (auxiliary electrode)' in Origamaster software? I tried everything possible,...
19 February 2021 3,152 7 View
The experiment is really simple. When I do a bulk electrolysis with 1% TFAA (ACN solution) to get dihydrogen, what is going to be oxidized? (working electrode graphit, counter electrode platinum,...
18 February 2021 4,430 1 View
I am working on cathode material. I have made different Li-ion coin cell against Li metal using commercial available cathode materials such as LCO,LMO, LFP and NMC and also with the lab...
18 February 2021 1,450 3 View