Ultra-Permeable Single-Walled Carbon Nanotube Membranes with Exceptional Performance at Scale.

ABSTRACT: Enhanced fluid transport in single-walled carbon nanotubes (SWCNTs) promises to enable major advancements in many membrane applications, from efficient water purification to next-generation protective garments. Practical realization of these advancements is hampered by the challenges of fabricating large-area, defect-free membranes containing a high density of open, small diameter SWCNT pores. Here, large-scale (≈60 cm²) nanocomposite membranes comprising of an ultrahigh density (1.89 × 10¹² tubes cm^-2) of 1.7 nm SWCNTs as sole transport pathways are demonstrated. Complete opening of all conducting nanotubes in the composite enables unprecedented accuracy in quantifying the enhancement of pressure-driven transport for both gases (>290× Knudsen prediction) a

SUBMITTER: Jue ML 

PROVIDER: S-EPMC7740080 | biostudies-literature | 2020 Dec

REPOSITORIES: biostudies-literature