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

What is the role of current vs. time in galvanostatic deposition of Platinum? Is it possible to accelerate the deposition rate from a very dilute plating solution, by increasing the applied...

03 April 2016 6,683 6 View

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 8,144 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 2,506 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?

09 October 2014 9,345 14 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 5,953 4 View

Is an Ag/AgCl Reference Electrode an issue?

08 September 2014 4,188 15 View

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

While trying to deposit Ag, as soon as I dip an Ag/AgCl reference electrode into a Ag deposition solution of 0.2M AgNO3 + H3BO3 + HNO3, white colored matter starts to produce from the interface of...

07 August 2014 724 27 View

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

06 July 2014 7,326 12 View

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

06 July 2014 1,589 26 View

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 6,566 5 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

Why can't make aluminum nitride film successfully by use sputter?

We use reactive sputtering process to make aluminum nitride film, and want to make c-axis aluminum nitride film on a silicon substrate, but the crystal orientation cannot be seen with...

03 March 2021 7,975 3 View

What thickness need for ITO to use as conductive layer?

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

What is the indication of the absence of peaks in Methanol electrooxidation CV curves ?

I have several question regarding the MOR; hope anyone help me better understand. 1- in CV using (KOH+MEOH) what is the indication of absence of the redox peaks? shouldn't they exist as a sign...

28 February 2021 4,851 8 View

Dapi fluorescence protocol for colon cell lines ?

28 February 2021 2,534 2 View

Why is my platinum counter electrode getting dirty during electrodeposition?

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

Cloudy/high background western blot - can anyone help me?

Hi everyone! I try to detect VDR protein (~48 kDa) using Western Blot. After SDS-PAGE using 10% MP TGX Stain-Free Gel from BioRad I transferred the protein onto an metOH activated PVDF membrane...

23 February 2021 6,266 3 View

Have anyone checked before Cyclic voltammograms of intial ITO substrate and E-teck?

As a beginner in electrochemistry, I tried to obtain cyclic voltamograms of commercial anatase powder deposited on an ITO substrate or on Eteck. After several attempts, I noticed that my cyclic...

23 February 2021 3,175 3 View

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22 February 2021 9,932 11 View