What are the criteria/physical properties to chose positive and negative electrode for asymmetric supercapacitor?

To fabricate asymmetric supercapacitor, what should be the properties of metal oxides/hydroxides, polymers to select them as positive or negative electrode? For example, MnO2 used as positive as...

11 December 2017 2,670 2 View

Several issues on Researchgate. What you think regarding that?

06 July 2014 7,428 4 View

What is the difference between vacancy-like defects and hopping defects?

01 January 1970 10,029 2 View

How can I subtract the background of C-K edge EELS ?

I want to quantify sp2 content and sp3 content from the C_K edge EELS of probed volume of the sample. Can anyone suggest that how to subtract the background from the spectra? Thanks, in advance

01 January 1970 1,745 5 View

How the mass of carbon nanowalls/vertical graphene can be calculated for specific capacitance measurement?

Carbon nanowalls/vertical graphene grow vertically on substrates. To calculate the specific capacitance from cyclic voltammetry measurement, I wanted to know how the mass of the samples can be...

01 January 1970 5,279 2 View

Is it possible to get n-type carrier in the film although XPS result doesn't show any nitrogen peak?

01 January 1970 1,300 11 View

Which one is the appropriate to use among wavenumber and Raman shift for the Raman spectra?

In the existing literatures, some authors labelling X-axis as Raman shift and others as wavenumber for the Raman plot. Which will be the appropriate to use. Is their any difference between these...

01 January 1970 1,421 4 View

How do you calculate wall density of carbon nanowalls/vertical graphene?

Please see the attached image. Can anyone tell me how wall density can be calculate? Simple "ImageJ" can be use for that, after choosing the area and one can count manually. Is it the only way? I...

01 January 1970 7,430 4 View

Raman Spectroscopy of graphene.

'For n-LG , we have n2 (square of n) DR processes' according to Annu.Rev.Condens.Matter Phys.2010.1:89-108. But Physics Report 473 (2009) 51-87 : for 3-LG , ''one should model the DR Raman...

01 January 1970 8,596 4 View

Dissolving of PMMA layer

Is there any method to completely dissolve the PMMA layer?

01 January 1970 938 7 View

How to quantify carbon deposition on CuZnAl catalyst?

Dear All, I want to quantify carbon deposition on the surface of the CuZnAl catalyst. I have tried thermogravimetric analysis, but I've got weight gain as the active Cu- get oxidised. Does anyone...

01 March 2021 1,907 3 View

Why Trivalent chromium start precipitating above PH 5 ? Moreover discuss difference between adsorption of chromium and precipitation of chromium ?

I am a student of MS Environmental Engineering and started my research phase. I am working on metal removal ( chromium iii ) by using activated carbon prepared from the agricultural feedstock. So...

01 March 2021 5,475 2 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

Apart from Nanosilica and CNT's what are the other nanomaterials readily available to use in concrete mixture?

Nanotechnology in concrete materials

01 March 2021 3,379 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

What is the density for pva electrospining?

I'm Juan Carlos, a high school student who is working with electropinning, I made an electropinning machine with a 21g needle and a 30kv high voltage source and the distance between my needle is...

28 February 2021 298 3 View

Benefits of the 24 welled plate?

We have always used the 96 welled plate, the 48 welled plate but apparently there is much evidence on the 24 welled plate and above all its benefits.It states it is the same you would use on ELISA...

28 February 2021 1,149 1 View

How can I assign a velocity along one direction to CO2 molecules in a molecular dynamics simulation using GROMACS?

Dear all, I am trying to perform a MD simulation about the interaction between CO2 and a polymer. I create my model, solvate it and perform the NVT and NPT equilibration. Now I am not able to...

26 February 2021 10,014 3 View

CGA 300 Regulator for CO2 cylinder?

Has anyone ever tried to deliver CO2 with a CGA 300 regulator? I know that a CGA 320 regulator is standard for CO2. The issue is that I currently do not have any free CGA 320 regulators. I also...

25 February 2021 3,292 3 View

What are the methods used for CNT..?

Respected Professor's i hope you are doing well and happy. i need some information about carbon Nanotubes. before blending the CNT with the matrix the CNT has been introducing in some treatments....

24 February 2021 5,383 5 View