Is it possible to take NMR spectra of thin film samples deposited on silicon.?

Dear sir/Madam, I am depositing battery electrode materials (Lithium chromium oxide) in thin film form. I want to study the NMR spectra of these samples and correlate their electrochemical...

06 July 2018 8,744 1 View

Does the surface roughness of the sputtering target affect the deposition rate of thin film?

I am trying to deposit ceramic oxide thin films from Lithium cobalt oxide target having difference roughness. Thanks

09 October 2015 5,073 11 View

How can one calculate the lattice parameters from XRD patterns?

02 March 2015 1,473 5 View

Why does the intensity (CPS) of the peaks of constituent element increases after sputter etching the surface of thin films except the carbon peaks??

I want to know what is happening at the surface at the atomic scale which facilitates a rise in intensity. Thank you.

03 April 2014 9,150 2 View

How accurate is the XPS compositional analysis when compared to ICP OES compositional analysis of Lithium Manganese Oxide (Li2MnO3) powder?

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08 September 2013 6,654 3 View

What is C-rate in case of testing Li ion cells?

Relation between C-rate and current used for discharging the cell.

07 August 2012 3,623 16 View

How can we manipulate the grain size of Tin (sn) thin film deposited by thermal evaporation technique?

I need to deposit a thin film of Tin (Sn) with grain size less than 300 nm.

06 July 2012 805 9 View

How can we clean platinum or gold coated silicon wafers for thin film deposition?

Thanks in advance.

06 July 2012 1,579 17 View

How does the purity of Lithium Cobalt Oxide cathodes for Li ion batteries effect the rate capability and cycle life?

How does the purity of Lithium Cobalt Oxide cathodes for Li ion batteries effect the rate capability and cycle life?

05 June 2012 7,244 6 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

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

How to Study a proton NMR of Graphene prepared by Electrochemical Exfoliation technique?

I performed a Proton NMR of graphene powder prepared by electrochemical exfoliation technique. It shows some peaks. But I can't understand it.

21 February 2021 8,947 3 View

How to predict the reaction pathway for electro organic synthesis?

Can anyone recommend some any software/models available that can predict substance reactivities and the reaction yield under a specific set of reaction conditions process and proposing pathways to...

17 February 2021 2,383 3 View

Selecting referencing electrodes for electrochemical experiment?

I have several questions, What reference electrodes is commonly used for aqueous electrochemical systems? What reference electrodes is commonly used for electrochemical systems which used...

06 February 2021 6,389 5 View

What are the factors on which exchange current density of an electrode depends, and how can they be predicted?

While surface roughness is an obvious factor, this is not what is exactly asked. Rather, periodic variation of exchange current density (of an electrode) with solution chemistry (of electrolyte)...

30 January 2021 4,886 5 View

Why sometimes current- voltage plot in chemiresistors/ FET does not pass through the origin?

I am trying to measure resistance from I-V curve from a chemiresistor/ FET sensor with a keithly sourcemeter. The substrate is soaked/ wet with protein and phosphate buffer only. But the I-V line...

24 January 2021 8,009 3 View

What is the difference between Pt(100), Pt(110) and Pt(111)?

For example: In an electrochemical cell utilising a platinum (Pt) anode, what is the difference and what kind of implications would be expected from using either Pt(100), Pt(110) or Pt(111)?

20 January 2021 309 5 View

Electroactive surface area of bare and the synthesized material?

For electrochemical sensors, the electroactive surface area (ESA) show higher value for the working material as compared to bare (reported in several papers). My bare electrode is FTO and working...

17 January 2021 7,220 3 View

Colorimteric and enzymatic method ?

First of all, thank you for your consideration about this question. I've been working on development of in-vitro diagnostic medical device as research engineer since 2013. Especially, my major is...

14 January 2021 3,885 4 View