adding graphene oxide / rGO / graphene have shown conflicting surface roughness changes in Polyethersulfone. for rGO in specific, why do we have roughness decrease whilst porosity has increased?
Hi,
Please find the attachments; they might be useful for you
[1] https://pubs.rsc.org/en/content/articlelanding/2015/ra/c5ra11349k#!divAbstract
several nanoadditives can decrease the molecular mobility of polymers, and this can affect the surface roughness.
https://pubs.acs.org/doi/10.1021/acsami.7b06420
https://journals.aps.org/prapplied/abstract/10.1103/PhysRevApplied.9.024018
https://www.nature.com/articles/srep13562
The link for article can help
https://pubs.rsc.org/en/content/articlelanding/2015/ra/c5ra11349k/unauth
It may be attributed to that rGO is decreasing the affinity for non-solvent during phase inversion.
check this article
Article High flux and fouling resistant flat sheet polyethersulfone ...
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