How can I prepare Graphene using the electrolysis method?

More Prakash Mahakul's questions See All

Dear All, Can anyone please tell my the possible reasons for not getting diode characteristics of solar cell ?

My device structure is ITO/PEDOT:PSS/Active layer/Al. Here i am using p3ht-cnt composite as the active layer. During dark i-v measuring i am not getting the usual diode characteristics for the...

31 December 2015 6,597 6 View

How can I take the c-v characteristics of P3HT film deposited over glass substrate ?

I am interested for capacitance voltage measurement of p3ht film. I am depositing aluminium dots above the p3ht film. But when i am measuring the c-v characteristics, am not getting the data as...

04 May 2015 2,080 9 View

Which is the best solvent for dispersing RGO without functionalizing it?

There are lots of articles that describe the dispersion of RGO. But most of them are by covalent functionalization. Though it enhances dispersion but degrades the properties of the material. Hence...

06 July 2014 614 11 View

Can someone help me calculate the electron and hole mobility from R-T measurement?

I have prepared a polymer composite film. I want to compare the charge mobility. Could somebody please help me with some references?

04 May 2014 8,234 3 View

How can I coat a thin layer of PEDOT:PSS over SiO2 so that I can characterize its film thickness?

I have prepared a thin film of PEDOT:PSS over SiO2 substrate. I tried masking the substrate with teflon tape but the solution get stuck near the teflon tape and the thickness there is greater...

04 May 2014 7,916 5 View

I have prepared reduced graphene oxide using solution method. Can someone explain to me how to filter to get the required material?

Here I am using PTFE filter paper, but it is very much brittle. It can not be bent or folded. So it is being very difficult to filter. Please explain

03 April 2014 2,002 3 View

How can we measure the smoothness of thin film?

Sometimes relation between different layers (thin films) of device play an important role in device performance. So it needs to be optimized.

02 March 2014 486 7 View

Can someone please explain the meaning of 2.5 wt% dispersion in H2O?

I am interested in preparing a composite with PEDOT:PSS. But I don't understand how to maintain the ratio as I don't understand what 1.3 wt% dispersion in H2O means.

01 February 2014 2,679 3 View

How can we allign carbon nanotubes in a polymer matrix?

Polymers with CNT filler have proved themselves as important candidates in the category of polymer composites due to their good physical properties. Hence can we in some way align them in an easy...

01 February 2014 9,511 17 View

How can we explain the zero bandgap semiconductor "graphene"?

As graphene is known to be a zero bandgap semiconductor, I understand its behaviour to be somewhat like metal as the band gap is zero and somewhat like semiconductor as the name signifies. Can...

11 December 2013 6,862 7 View

I have get this error when i calculated the geometrical optimization for prco3, it takes 12 hours until gives this message in the outputfile?

Fatal error in MPI_Allreduce: Other MPI error, error stack: MPI_Allreduce(1628)......: MPI_Allreduce(sbuf=000002459254A180, rbuf=000002459F86A140, count=4851, MPI_DOUBLE_COMPLEX, MPI_SUM,...

09 August 2024 7,615 1 View

What is the prepared reference material that can be used in inductively coupled plasma optical emission spectrometry (ICP-OES) to measure REE and U ?

What is the prepared reference material that can be used in the ICPE-9820 Shimadzu Japan instrument, which employs inductively coupled plasma optical emission spectrometry (ICP-OES) to measure...

06 August 2024 1,896 1 View

How effective is the Citi Bloc standard basket in enhancing the accuracy and comparability of international construction cost assessments?

Citi BLOC Standard Basket Definitions: A standardized unit representing a fixed basket of construction materials, labor, and equipment costs priced in various cities. Purpose: To create a common...

04 August 2024 8,997 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

In teaching with Evidence-Based Practices for students with ASD, what are some that can benefit from the use of AI?

I am a student in a master's program for Special Education and I am curious to see what Evidence-Based Practices that are used in teaching individuals with Autism Spectrum Disorder benefit from...

30 July 2024 5,611 1 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

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

How to retain the a GFP tagged gene expression in stable cell line?

Hello , I established a stable cell line expressing GFP tagged to a centrosomal gene having G418 drug selection marker. I validated the stable line by IFA and Western blotting, results are fine....

29 July 2024 5,007 0 View

Culture fibroblasts with or without FGF2?

I'm new to primary human fibroblast culture and I'm studying aging using cells from old and young donors. Some research groups have used media supplemented with FGF2, so I cultured cells in the...

29 July 2024 3,030 2 View

Can we eliminate the stress singularity at the tip of the crack by manipulating the elastic constants?

The aim of the research here is to prevent the propagation of the crack in the fabricated elastic medium with useful applications.

25 July 2024 9,976 3 View

Gyorgy Banhegyi

Asfar as I know there are electrochemical delamination or exfoliation methods combined with intercalation.

Oleksiy V Penkov

There is a paper:

http://www.sciencedirect.com/science/article/pii/S0008622309004631

Jerzy Kowalczyk

Graphite as anode, sulphates or sulphuric acid as electrolyte, approx 10-15 V D.C. (cathode -graphite, some metals:Ti, Pt, Fe alloys. ).