What is the role of Current vs. time in galvanostatic deposition of Platinum?

More Muhammad Safdar's questions See All

How can one make a sputtered gold layer negatively charged?

If a thin gold layer (50 nm) is sputter coated on a wafer, is it possible to make this Au layer negatively charged, for example by adsorbing a negatively charged specie? Can we citrate for this...

31 December 2014 8,231 3 View

How does metal density influence the quality of a sputtered thin layer?

In the case of sputter coating, if we switch from Platinum (density 21.45 g/cm3) to Copper (density 8.96 g/cm3) for the same thickness of 20 nm, how the metal density difference will affect the...

09 October 2014 2,612 5 View

How to enhance adhesion between sputtered Au and Pt thin films?

I have noticed poor adhesion between sputtered Au and Pt thin films. Why this is so, and is there a way to enhance this adhesion?

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Is an Ag/AgCl Reference Electrode an issue?

I am trying to do potentiostatic electropolymerization of aniline but the reaction does not take place at all. Can an old Ag/AgCl reference electrode be the reason which was not in use for many...

08 September 2014 4,283 15 View

Is graphite a good material to serve as working electrode?

Can I use colloidal graphite coating as working electrode for the electropolymerization of conductive polymers? e.g. PANI, PEDOT, PPy.

08 September 2014 6,046 4 View

How can I remove a sputtered Ag or Au layer from polycarbonate?

I wish to know the method and materials required to remove sputtered Ag or Au layer from the surface of a polycarbonate membrane used for the preparation of nanowires.

07 August 2014 1,883 5 View

Why is a white colored matter produced as soon as Ag/AgCl reference electrode is dipped into a AgNO3 solution?

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Why I am not able to have reversible CV of potassium ferricynaide/ferrocyanide redox couple?

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Is there a standard way to determine if a metal can be electrochemically deposited on another?

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Is multilayer electrochemical deposition of Cu, Ni, Fe and Zn possible galvanostatically?

I want to sequentially deposit uniform layers of Cu, Ni, Fe and Zn, respectively on a gold layer. Is such sequential deposition possible galvanostatically?

05 June 2014 6,670 5 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

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...

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Best mask design for metal deposition aiming build a Perovskite solar cell device?

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How to calculate conductivity using Electrochemical Impedance Spectroscopy's Nyquist plot?

Hello everyone, I am new to this characterization but watching videos on youtube I have already plotted a Nyquist plot (Z' and -Z'') and already fitted models on my material using Zsim. But now I...

29 July 2024 1,376 0 View

Why semicircle of nyquist plot is not complete?

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26 July 2024 7,542 4 View

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

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23 July 2024 5,776 2 View

How do you decide an optimal AC amplitude for non-faradaic electrochemical impedance spectroscopy?

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16 July 2024 5,031 1 View

What are the possible chelating agents to form complex with cobalt only but not nickel in the solution of nickel and cobalt sulfate?

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15 July 2024 3,462 2 View

What should be consider when do CVD?

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15 July 2024 9,359 0 View

Why is EIS important even if the cell is only run under DC conditions?

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14 July 2024 6,321 1 View

prof V.S Muralidharan Popular answer

Pl add inhibitor for hydrogen evolution.use medium CD

prof V.S Muralidharan

Muhammad Safdar

Dear Prof. V.S Muralidharan, which compounds can be used a hydrogen inhibitors for the deposition of Pt.

Some people have used iron or gelatin during Zn deposition

Organic compounds with s,n,o atoms

Butyl compounds,thio urea

pl see this paper