How to avoid thermal degradation of GO to graphene within an extruder at processing temp of 150 C?

I am using GO and a thermoplastic to create nanocomposite and am going for the melt route. My temperature in the second zone of extruder reaches 120 C and near die it reaches upto 190 C. GO...

23 October 2020 1,450 3 View

How can we calculate correct sampling frequency of a given signal(stationary or non stationary) in MATLAB, if only signal vector is given?

Can the attached piece of code give us correct sampling frequency? dt = mean(diff(t)) ; F = 1 / dt % Hz;

01 June 2020 2,281 3 View

How to show pre-stressing and loading in different time steps in ansys WB?

Hi all. I am running a static structural analysis on a glenoid implant that will be fixed to the base via press fitting technique. How do I show this on ANSYS. I read a paper where the author...

23 December 2019 8,219 3 View

Is there available the standard BMI criteria for RATS to assessment of normal wt., Overweight, obesity of rats???

If there is any standard BMI criteria to assess wt. To categories in normal wt.,Ower wt. and obesity of Rats

20 August 2018 5,824 1 View

While conducting 4 probe test on graphene pellet (0.25 mm thick), sparks were observed. What does this imply?

Arc observed at surface of graphene during conductivity test

04 October 2017 5,796 5 View

Can one give the sample a desired strain by interrupting a uniaxial tensile test in between??

04 July 2014 6,271 9 View

Is there any way to convert classified raster to polygon shapefile in C/ C++ ?

Without using ARC GIS

30 July 2013 6,157 1 View

Can someone help me with modelling og PV array in Matlab?

I found a solar cell block in Matab. Now I have to use it as an array so how should I connect this block? Otherwise I have my designed model of a cell, which will be better for an array of 10 KW.

22 May 2013 3,519 7 View

Is there any other software that I can use for the analysis of solar PV systems?

As I am using matlab, I heard about homar, digisilent many. Which is best?

20 May 2013 786 11 View

Mixing molten alkali nitrate salts and alkali chloride salts, is it safe or not?

During my experimental procedure, a point will come when a small amount of molten alkali chloride salts will be mixed in molten alkali nitrate salts. I don't have much Idea of the chemistry...

15 February 2013 6,429 2 View

What is involved in morphological changes of SEM images of a substance?

In the sem analysis of CaCO3 nanaoparticles, the morphology images showed spherical shaped particles but the proposed morphology for these type of nanoparticles is trigonal. I prepared the...

01 March 2021 1,960 4 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

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

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

What kind of steel moulds are used for hot pressing metal powders?

My main concern is that the metal powders should not weld to the mold surface and I should easily be able to eject out the pressed samples. I am looking for alternative for graphite moulds. The...

22 February 2021 2,965 4 View

Is there an ideal incubation time of RGO-modified SPCE before subsequent use, i.e., electrochemical characterization or further modification?

I notice that upon washing and air-drying of my RGO/SPCE surface and characterizing again via DPV, the current response towards ferricyanide probe significantly decreases. My worry is that the...

22 February 2021 5,324 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

Which compound is getting oxidized during bulk electrolysis with TFAA?

The experiment is really simple. When I do a bulk electrolysis with 1% TFAA (ACN solution) to get dihydrogen, what is going to be oxidized? (working electrode graphit, counter electrode platinum,...

18 February 2021 4,430 1 View

What is the best substrate for exfoliating few layers of hexagonal boron nitride (hBN) using traditional scotch tape method?

Unlike graphene, it is usually very difficult to exfoliate few layers (~10 nm thick) of hBN on SiO2 substrate due to lip-lip interaction at the edges. Au substrates have been proven very useful...

16 February 2021 2,635 2 View