Microwave-assisted design of nanoporous graphene membrane for ultrafast and switchable organic solvent nanofiltration.

ABSTRACT: Layered two-dimensional materials can potentially be utilized for organic solvent nanofiltration (OSN) membrane fabrication owing to their precise molecular sieving by the interlayer structure and excellent stability in harsh conditions. Nevertheless, the extensive tortuosity of nanochannels and bulky solvent molecules impede rapid permeability. Herein, nanoporous graphene (NG) with a high density of sp² carbon domain was synthesized via sequential thermal pore activation of graphene oxide (GO) and microwave-assisted reduction. Due to the smooth sp² carbon domain surfaces and dense nanopores, the microwave-treated nanoporous graphene membrane exhibited ultrafast organic solvent permeance (e.g., IPA: 2278 LMH/bar) with excellent stability under practical cross-flow con

SUBMITTER: Kang J 

PROVIDER: S-EPMC9935848 | biostudies-literature | 2023 Feb

REPOSITORIES: biostudies-literature