Nanoparticles detachment during electrochemical deposition?

More Honest C Makamba's questions See All

How do I dissolve antimony compounds in water or acid?

I am trying to dissolve antimony trichloride in 0.1 M HCl or DI water at concentrations as low as 2 mM but it is not dissolving. I am having the same problem with another antimony compound...

29 May 2019 9,701 5 View

What is the easiest way to make nano-sized graphene oxide?

What is the easiest way to make nano-sized graphene oxide from graphene oxide flakes?

28 November 2017 430 3 View

What are the units used in galvanostatic depsotion?

I am a bit confused when reading about galvanostatic deposition. It appears that some people apply a current for a specific time (e.g. 20 mA for 40 seconds) and other people use current density...

28 July 2016 6,386 2 View

Solid state Ag/AgCl reference electrode suffer problems of dissolution, why then is it a problem to use high Cl salts that may help stabilize them?

Solid state reference microelectrodes. The confusion I have is that chloride salts are needed to stabilize the solid state reference microelectrodes, but the chloride salts are considered a...

28 April 2016 330 3 View

• What the possible Persistent Organic Pollutants and Heavy metals present in fluorspar, sediments, and water bodies around its mining area?

Approximate concentrations are require in compared with the WHO permissible limts

11 August 2024 2,723 1 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

Hello researchers Is this a random laser or just fluorescence?

I am using Rhodamine6G as gain medium and silver nanoparticles as scatterers on a microscope slide and laser input 532 nm comes from above.

09 August 2024 9,894 2 View

How to prepare the nanoparticle treated fungal sample for Environmental SEM analysis?

A fungal strain was treated with nanoparticles. We want to do an environmental SEM analysis. So could anyone share your views on preparing the sample? Thank you.

07 August 2024 5,307 1 View

What procedure should I follow for current controlled PPy film electrochemical deposition on ITO?

For example, I perform passivation process before electropolymerization of Py for adhesion to titanium surface. Is a similar or different procedure required for ITO? If necessary, I would be glad...

06 August 2024 3,176 0 View

How can I measure the thickness of thin film by Uv-Vis?

06 August 2024 7,810 3 View

Why might the impedance values for DI water and 0.1X PBS buffer solution exhibit a decreasing and increasing trend, respectively over time (HP 4194A)?

Hello everyone, I'm encountering an issue with my electrochemical impedance spectroscopy (EIS) measurements and would appreciate some insights. Experimental Setup: Electrodes: Gold interdigitated...

05 August 2024 3,783 2 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

Can i quantify a nanoparticle encapsulated in cell culture medium by hplc?

Hello, if you made a transwell assay where you incubate the cells with a nanoparticle-encapsulated drug and considering that in the oposite compartment you'll have both the free and encapsulte...

03 August 2024 2,730 1 View

How can I find access to heavy metal reference doses from the EPA and WHO websites?

Reference dose and Maximum acceptable concentrations HMs

03 August 2024 8,230 4 View

António Maximiano Fernandes

Try to reduce voltage and concentration of your nanoparticle. Hydrogen evolution on electrode surface is biggest problem

Regards

Khelladi mohamed redha

Try to reduce the deposition potential and the electroactive ion concentration. The evolution of hydrogen on the surface of the electrode is the biggest problem when electroplating metals.

Sagir Alva

try controlled the pH of solution using buffer solution