Research team introduces new non-toxic method for producing high-quality graphene oxide

https://phys.org/news/2024-02-team-toxic-method-high-quality.html

"graphene oxide used to produce graphene by removing oxygen... if holes in graphene oxide, will also be holes after converted to graphene... combines H2SO4 acid from Hummers method (simple but had significant defects) and potassium chlorate oxidant from Brodie method (had been highly toxic), allowing them to produce graphene oxide with a number of defects as small as those in Brodie... graphene, preparation of gas protection coatings, semi-permeable membranes, sensors"