The pore size is nearly 0.1 micron, will this come into the nano-porous regime ? You should try to determine the average pore size, because in some regions the pore size is small, where at other place it is large, and a non-uniform haphazard distribution.
Do look into some of the nanoporous structures in other materials. I would suggest
You should google "nano-porous structures" and see the published images, and come to a better conclusion.
K. Sreenivas
thanks for your suggestion sir, can you say the structure of this?
It looks like a glassy nanoporous materials. What is the material in the structure?
The definition of pore size has been defined by IUPAC as follows: pores less than 2 nm are microporous, pores between 2-50 nm are mesoporous and pores greater than 50 nm are macroporous.
http://en.wikipedia.org/wiki/Mesoporous_material
By just looking at SEM image it is difficult to say weather the material is naoporous or not. To confirm it you need to do the gas sorption analysis. The poresize distribution result from gas sorption would lead you to more conclusive result. If you need further help feel free to ask.
regards
raeesh
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