Need your help. How to purify Graphene Oxide if dont have centrifuge?

More Erdawaty Jaafar's questions See All

Where can i get the xrd database for analysis xrd?

Can i know where can i get or someone in this researchgate have the data base. I already try to find but there is no free donwload.

31 December 2017 4,176 1 View

How to measure organic photovoltaic using keithley? is it have any circuit to measure it?

For my case, i already test my organic photovoltaic under the sun and show the solar cell behaviour when i read current and voltage reading. but unfortunately when i connect with keithley...

11 December 2017 9,468 2 View

What the effect if we take longer time in stir P3HT: PCBM and heat at 60 degree? What the effect heating p3ht pcbm in preparation p3ht pcbm?

Some researchers said they stir for overnight, some said just for few hours. I think this stir is to ensure the p3ht:pcbm dissolve in a solvent. In addition, some researchers said that the p3ht:...

08 September 2017 10,054 6 View

How to get the good coating of reduced graphene oxide on a glass substrate?

The coating that I get is not good adhered on a glass substrate. The reduced graphene oxide had dried using freezer (-73 degree celsius). I'm using DMF solvent for reduced graphene oxide solution....

02 March 2017 5,078 4 View

Can i know the washing process for reduced graphene oxide and drying temperature?

some paper I read that washing process for reduced graphene oxide involve the methanol and di water? is it methanol need in washing for reduced graphene oxide? if need why? what the actual drying...

31 December 2016 4,024 5 View

What is the difeerent between AFM, FESEM,SEM and TEM?

AFM, FESEM,SEM AND TEM also in surface characterization. Can i know the different between this?

09 October 2016 886 1 View

Geotechnical Engineering (Proceedings of the ICE) time review?

Hello everyone, I recently submitted an article to Geotechnical Engineering (Proceedings of the ICE), and the current status has been listed as "EiC Pre-assessment: Ready" for the past 20 days. I...

10 August 2024 6,493 1 View

How does grain and grain boundary affect the ceramic when studying its dielectric properties?

I am not able to get good literature and the physics behind how first these grains and grain boundaries arises out of no where when we make a pellet to study its dielectric properties and then how...

07 August 2024 5,177 3 View

What is the best conditions for formation Magnetite ore deposits?

I want to know more about Magnetite deposits.

06 August 2024 1,066 0 View

Why is the molecule's orientation with an electric field affect polarizability?

Why is the molecule's orientation with an electric field affect polarizability? Electrons are diffuse enough to be independent with respect to orientation and effect of electric field on...

03 August 2024 7,843 1 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

What should a Mechanical Engineering PhD scholar focus on during their PhD to enhance their chances of securing a postdoctoral position?

29 July 2024 7,714 4 View

May I know the exact Quartile of the journal- Advanced Engineering Materials (Wiley) for material science category?

In some data sources it has been grouped in Q1 and some shows it is Q2.

29 July 2024 4,227 2 View

What is the solubility of Iron (+3) in Bismuth Oxide?

Dear all: I am modifying Bismuth Tungstate with Hematite (Fe2O3), so I would like to know about how much Iron(+3) can form a solid solution in a Bismuth Oxide matrix. Best wishes Marco

29 July 2024 2,163 1 View

What is the best method to detect the chemical composition of pollen ?

I have multiple small samples of grass pollen with anthers. I want to find a method to identify concentrations of proteins, lipids, and other various elements for these samples. any suggestions?

28 July 2024 5,331 1 View