To get a pure buckpaper without any impurity，What factors should I consider？For example,
1:which kind of CNT:
SWCNT,DWCNT,MWCNT or COOH-CNT
2:solvent:
DI water, methanol，ethanol or isopropanol
3:surfactant（if need）:
SDS,SDBS or Tritonx-100
4:membranes:
MCE,PTFE,PVDF,AAO,nylon and so on.
The pore size of the filter membranes should be smaller?
5:Dry and transfer:
How can I directly peel off the buckypaper without breaking, the buckypaper I get is usually brittle.
Looking forward to your answers！
Hi Priest,
My recent publications might help address some of your questions:
- https://doi.org/10.1002/smll.202310257
Article Conjugated Polymers with Immolative Side Chains Enable Condu...
In my work, I use HiPCo and Plasma SWNTs, THF as the solvent, and PTFE as the filtration membrane. After filtration, I peel off the free-standing film. It’s a tricky process, but with some practice, you’ll get the hang of it!
Feel free to reach out if you’d like to discuss further—I’d be happy to help.
Best regards, Xiao
Xiao Yu Dear Xiao Yu, Thank you very much! I have read your pubilcation above, excellent work. It provides me with a new choice of dispersant and solvent. I've also noticed that you're using a self-standing film when measuring resistance. Did you peel off the film directly after filtration, that the film is still wet. Or it is peeled off after a period of drying? Sincere thanks to you.
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