Sumit Dubal

4 Questions 9 Answers 0 Followers

Questions related from Sumit Dubal

What could be the reason for the formation of beads in PAN electrospun nanofiber after Carbonization at 900 C under nitrogen atmosphere?

I did carbonization of PAN Electrospun nanofiber at 900 C under the flow of nitrogen but SEM images of Carbonized samples are showing bead formation and fiber reduction from 700 nm to 150 nm. what...

01 August 2021 9,091 7 View

How to resolve the problem raised during the Carbonization of electrospun polyacrilonitrile nanofiber under N2 atmosphere?

Hello, I used a tube furnace for carbonization of polyacrylonitrile nanofiber mat at 1000C under the flow of Nitrogen with a heating rate of 5 degrees per minute, and dwell time was 1h at 1000 C....

01 August 2021 8,541 0 View

What FTIR peak at 2367cm-1 indicates for original and Stabilized Polyacrylonitrile nanofiber ?

Please find herewith attached FTIR of Polyacrylonitrile nanofiber mat before stabilization and after stabilization (at 290 C with 2 degree/min heating rate and isothermal treatment at 290 for...

06 July 2021 9,469 3 View

Is Binder material is required for PAN electrospun nanofiber electrode preparation? can we use the substrate material on which fibers are collected?

I have as-spun PAN electrospun nanofiber mat prepared using electrospinning. For stabilization/carbonization, should I peel off that fiber mat from aluminum foil and keep in the furnace or I can...

12 October 2020 6,971 4 View