Which characterization technique can identify the nitro and sulfo groups?

More Naresh Kumar's questions See All

I would like to know the published article ISSN number ?

Can anyone suggest me how to get the ISSN number of published article or journal in simple and easy way

09 October 2017 7,367 5 View

How to calculate the percentage of Carbon atom by using XPS Data ?

After Curve fitting of XPS data how to calculate the atom percentage like Carbon and Oxygen (%C ...& %O...)

05 June 2016 5,617 2 View

How can I do BET measurement for graphene like materials ?

I measured BET of few layered graphene.But, it is giving very low specific area around 8-10 m2/g only. Before BET measurement is there any process required for materials..?

11 December 2015 6,245 7 View

How do I measure the band gab by UV measurements and how band gap varies with wave length?

Presently i am working on graphene materials. i have confusion.ie how much quantity of the material (solid in grams) i need to take and volume of the solvent. what is the ratio (W/V). how can we...

06 July 2015 9,742 4 View

How can I choose the PVP molecular weight for synthesis of metal oxide nanoparticles?

Hi friends we have different MW of PVP how to choose the particular MW of PVP for synthesis of metal oxides ?

04 May 2015 5,234 2 View

Which characterization technique is useful to find out the Nitronium ions ?

i want to introduce the Nitronium ions to graphite ?

02 March 2015 4,140 2 View

How to draw graphene structure by using any software ?

I want to draw schematic digram of graphene could any one suggest me which software is available ?

02 March 2015 7,525 5 View

How can I analyze the TEM diffraction pattern?

How can I find out the d-spacing in alloy and composition of the materials? Is there any software available?

01 February 2015 7,734 5 View

How do I calculate the band gap of materials using UV-Vis spectrometer?

How to choose the medium for dispersion of materials during the UV-vis measurement?

01 February 2015 322 5 View

How to get the cif files of the XRD?

I have a graphene MgO material and I want to see structure of graphene MgO. It means where is the MgO attaching to graphene sheet, I am using the Diamond software for structure analysis.

01 February 2015 4,196 3 View

Short Synthesis of Graphene Oxide from Natural Graphite Flakes?

I am in search of a modified Hummer's method, which can be used to synthesis graphene oxide within 6-8 hours. As I am a student it is not allowed for us to work after 5 in the laboratory. So I am...

01 August 2024 8,368 2 View

How can I separate graphene from amorphous carbon of similar particle sizes?

The starting material is a finely ground powder. Some particles contain more graphene than others.

30 July 2024 3,978 2 View

Graphene and graphene oxide as cancer factor?

Please, can any one inform us about risks of graphene and graphene oxide as a factor of cancer growth?

28 June 2024 6,815 4 View

How to eliminate imaginary phonon frequency in phonon dispersion of Coved Graphene Nanoribbons?

Dear all, I want to calculate the phonon dispersion of 4CNR-1-0 (structure is in Fig. 2 (b) in this article Designing coved graphene nanoribbons with charge carrier mob... ) and then calculate...

17 June 2024 6,911 2 View

Do we need a femto laser for good LIG?

Do we really need a femtosecond laser for Laser-induced graphene(LIG) production on polymers? Other than better resolution and lesser thermal damage is there any other advantages?

13 June 2024 5,294 0 View

I synthesized Graphene oxide Two times but I got Peak at 8 degree first time. And second time I got a Peak at 6 degree. What will be possible reasons?

Please help me.

01 June 2024 1,598 3 View

What is the difference between absorption and adsorption?

30 May 2024 4,447 27 View

Does Graphene Powder really exist?

It is said that graphene layers accumulate again if they are produced and are not in a suitable solvent. So how are these pristine graphene powders supplied? I do not mean graphene oxide or...

29 May 2024 378 1 View

Good Afternoon ,I, Anjum F Sayed Student of Homi Bhabha State University but i am unable to form sponge ???

I am able to prepare Go and Rgo which I have confirmed with Xrd data but sponge formation is difficult. initially solid sponge type structure was formed but it was Fragile . Actually my main...

22 May 2024 1,056 0 View

How to develop an input file for a composite material in Quantum ESPRESSO (QE)?

Currently, I want to investigate the structural, electronic, and other properties of a composite material, but have trouble in developing the necessary input file for Quantum ESPRESSO (QE). So...

21 May 2024 3,409 3 View