06 June 2013 1 5K Report

Xray diffraction analysis

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 I prepare Graphene using the electrolysis method?

Graphene has been a material of interest since its discovery in 2004 on account of its excellent physical properties. Can someone please explain the synthesis of Graphene by electrolysis?

31 December 2013 3,922 3 View

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