Polyvinyl alcohol-mediated splitting of Kevlar fibers and superior mechanical performances of the subsequently assembled nanopapers

One-pot splitting can make polyvinyl alcohol to uniformly wrap on the surface of Kevlar nanofibers, thus leading to a high strength of 283.25 MPa, toughness of 32.41 MJ m −3 and transmittance of 67% at 800 nm of the subsequently assembled nanopaper.