What is the meaning of a very low warburg element in EIS of a Li ion anodic half cell having graphite electrode?

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Why do I notice XRD peak splitting upon deposition of porous gold on flat gold substrates?

I deposited um range thick porous Au films on flat Au substrates. During XRD studies, I notice peak splitting in all the peaks for porous gold. Is this because of present of two phases or because...

10 November 2019 3,014 3 View

What will be a good option for cathode for Sn based alloy anodes?

I am trying to fabricate full cell to evaluate performance of my Sn based alloy anodes. Currently I have tried LiMnO2 based cathodes but not able to obtain stable OCV after charging. I am using a...

08 September 2019 7,159 3 View

Increase in pH of dilute strong acid solutions with increase in temperature - theoretical basis?

When I prepared a solution with 100 ml of 0.2M KCl and 0.5 ml of 0.2M HCl, the pH of the solution was 2.33. However, when I heated it up to 50 C then the pH dropped to 0.88. Now since HCl is a...

01 February 2019 4,635 2 View

How essential is a luggin capillary in electrodepostion experiments?

I am trying to perform electrodepostion of transition metal oxides on a Pt substrate using three electrode set up using Ag/AgCl reference electrode. There are many literature in this area which...

10 November 2018 6,280 0 View

How can I dissolve lyophillised carboxymethylchitosan (CMC) in water?

As CMC is not readily soluble in water, lyophillised sample becomes more difficult to dissolve. Has anybody come acrossany procedure to overcome this difficulty? Will it become a true solution or...

07 August 2018 864 0 View

Is it possible to obtain abnormally high molecular weight for aromatic schiff's base polymer?

Recently, I was trying to obtain schiffs base polymer from aromatic diammine and aromatic diketone via polycondensation, and obtained usual insouluble precipitate. Upon heating the ppt in DMF and...

04 May 2017 690 8 View

How to plot differential capacity plots using origin or excel ?

IS it possible to draw differential capacity plots using origin or excel?

11 December 2016 2,407 1 View

How to perform correction for ohmic resistance in phase angle bode plots ?

Is there any option in softwares like Z sim or any other fitting software for performing the correction of ohmic resistance in phase angle bode plot? What other alternative is there to find the...

08 September 2016 5,586 4 View

Are aromatic polyimines electrondeficient in nature?

There are literature(Macromolecules 1995,28, 1180-1196) which claim that aromatic polyimines are electron deficient in nature. However the electron rich Nitrogen group would readily delocalise...

07 August 2016 4,568 2 View

How can I perform CV studies with a polymer film anode with respect to Li?

I want to avoid using Li metal directly. Is it possible to use any other reference electrode and then reference it back to Li ? If yes, can you provide an example to do that?

04 May 2016 1,112 7 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

Sutter electrode holder leaking after applying positive pressure. How to fix?

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

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 are the new 2D nanomaterials were used for Silver nanoparticles stabilization?

In the stabilization of AgNPs are vital in current research interest. However, some of the 2D nano-materials like graphene oxide, MoS2, etc... previously used to stabilize it. But still they shown...

01 March 2021 2,207 3 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

Why initial concentration of Pb not the same as calculated one when testing using AAS?

I am currently doing research on the adsorption of heavy metal using magnetic reduce graphene oxide. I use AAS to determine the concentration of the heavy metal. I prepare the Pb solution with...

26 February 2021 9,580 4 View

How does charge on working electrode changes with rising potential?

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

How to delaminate copper in water-based anodes?

Hello everyone, I'm looking for a way to delaminate copper current collector of water-based anodes in Li-ion batteries without damaging the graphite film. I tried different materials such as HNO3...

24 February 2021 3,785 3 View

Is this the write procedure for acid digestion of soil for heavy metal analysis using AAS?

How to do acid digestion of soil sample with 3:1 aquaregia in an open vessel?

23 February 2021 3,053 7 View

Thermal reduction of graphene oxide.?

I am trying to reduce graphene oxide by thermally but I have no proper information regarding this. Can any one help me regarding the details about temperature and time for the reduction of...

23 February 2021 4,155 4 View