How can I estimate quantitatively the doping level of graphene by Raman method?

09 October 2014 8,350 3 View

In graphene diazonium functionalization, why is tetrabutylammonium hexafluorophosphatis needed?

A lot of articles describe graphene functionalization by Nitrobenzene diazonium tetraflouroborate solution in acetonitrlie. Most of the authors also add tetrabutylammonium hexafluorophosphatis but...

05 June 2014 3,647 12 View

What exactly happens if one dissolves the 4-nitrobenzindiazonium BF4 in water?

Many thanks

04 May 2014 9,091 1 View

Does anybody know a simple method of graphene functionalization with some kind of organic functional groups?

I need to create sp3 impurities on graphene lattice so I have to functionalize it somehow by covalently attached functional groups. I am looking for a method to attach big functional groups, not...

04 May 2014 4,728 12 View

Does anybody know the mechanism of thermal decomposition of N-Methyl-pyrrolidone (NMP or Pharmasolve)?

I am looking for a mechanism of thermal decomposition of NMP and wondering whether free radical can be formed during the heating of NMP. Also, I heated graphite powder dissolved in NMP for 1 h at...

04 May 2014 3,005 7 View

Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

03 March 2021 3,661 2 View

What are anisotropic electrical and optical properties of a semiconductor due to?

In some materials, properties such as band gap, thermal conductivity differ along different crystallographic axes. What are the basics?

01 March 2021 1,923 3 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

How can we theoretically calculate Elemental analysis(percentage) of atoms in covalent organic framework?

For example in one research article the Elemental analysis values of COF-TpPa-1 ( Triformylphloroglucinol (Tp) (63 mg, 0.3 mmol), Paraphenylenediamine (Pa-1) (48 mg, 0.45 mmol) are as follows...

24 February 2021 1,265 6 View

How the Ground Plane implantation is performed without damaging (and w/o varying the undoped nature) the top Si (8-10 nm) in FDSOI technology ?

It is a general practice to introduce Ground Plane in FDSOI devices under the BoX. The Ground Planes are introduced by Ion Implantation through Top Si layer and Buried Oxide. I wanted to know that...

24 February 2021 5,974 4 View

How to Control Whiteflies in coconut leaves?

24 February 2021 1,005 1 View

Can a semi-conductor material have different absorption coefficient?

Does the absorption coefficient of the semiconductor changes with the change in the structure of the semiconductor? If you have a thin film and nanowire of the same semiconductor, will the...

23 February 2021 9,799 4 View

What reaction will occur when adding hexamine into ammonium nitrate in an acidic medium?

Hello, I am investigating properties of water in oil emulsion explosives. And adding hexamine (hexamethylenetetramine) into one of the phases that are used to make the emulsion should increase the...

21 February 2021 8,680 1 View

How to get/count refractive index in gasses?

20 February 2021 8,202 6 View

Any Homemade Organic Synthesis Practices?

Hi everyone, I am a teacher of Heterocycles Synthesis, Is there a home practice that you recommend for undergraduate students? A simulator would also be useful Due to the pandemic, students...

18 February 2021 2,769 4 View