How can I functionalize graphene with Di amine?

I want to functionalize graphene with di ammine.

09 October 2015 7,082 2 View

How can I find the proper concentration of graphene during synthesis by liquid-phase exfoliation?

09 October 2014 3,688 3 View

How can I clean silicon wafer substrate for an AFM sample?

I want to characterize my Graphene on Atomic force Microscopy (AFM), therefore I request you to kindly guide me the sample preparation steps for AFM and cleaning of silicon wafer as a substrate...

08 September 2014 9,965 11 View

What is dipolar aprotic solvents? Does anbody have list of dipolar aprotic solvents

08 September 2014 9,089 2 View

How do you find the molar absorptivity of the mixture of solvent to find the concentration of graphite that is dispersed as graphene in the solvent?

08 September 2014 612 3 View

Could you please tell me how to find absorption in the below UV-VIs Spectroscopy?

i am unable to find this simple thing.

08 September 2014 4,031 19 View

Does anyone have an idea of how to calculate the molar absorption of a solvent by UV-vis-Spectroscopy?

See above

06 July 2014 6,785 2 View

Activation Energy Calculation from Flynn Wall Ozawa Method?

01 January 1970 6,530 4 View

How can i find the area of three different segments of a curve using Origin or any software?

Here i am attaching the picture you reference. S1,S2 and S3 are the three different segments of the curve. i want to calculate the specific area of these segments by using some software like...

01 January 1970 6,371 2 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

Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 2 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

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

Can anyone share his experience regards Smoothing in origin?

I am working on TiO2 composite material and the results of XRD have a lot of small/junk peaks and while I apply a smooth filter in Origin then the other characteristics peaks disappear so anyone...

26 February 2021 8,183 3 View

No title

I am trying to find how to know the density needed for a pva electrospinning in a 0.6mm neddle, the electrospinning will be from top to bottom and the problem I really have is the solution because...

25 February 2021 2,615 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