Zeolites and metal–organic frameworks (MOFs) represent an attractive class of crystalline
porous materials that possesses regular pore structures. The inherent porosity of these …

In this Review we survey the molecular sieving behaviour of metal–organic framework
(MOF) and covalent organic framework (COF) membranes, which is different from that of …

Membrane-based separations have garnered considerable attention owing to their high
energy efficiency, low capital cost, small carbon footprint, and continuous operation mode …

To date, significant efforts have been devoted to eliminate hazardous components to purify
wastewater through development of various nanomaterials. Covalent organic frameworks …

Metal–organic framework (MOF) membranes are energy-efficient candidates for molecular
separations, but it remains a considerable challenge to eliminate defects at the atomic scale …

Membranes with ultrahigh permeance and practical selectivity could greatly decrease the
cost of difficult industrial gas separations, such as CH4/N2 separation. Advanced …

The robustness of carbon nanomaterials and their potential for ultrahigh permeability has
drawn substantial interest for separation processes. However, graphene oxide membranes …

Metal–organic frameworks (MOFs) represent the largest known class of porous crystalline
materials ever synthesized. Their narrow pore windows and nearly unlimited structural and …

Mass transport at the sub-nanometre scale, including selective transport of gases, liquids
and ions, plays a key role in systems such as catalysis, energy generation and storage …

Covalent organic frameworks (COFs) are promising materials for advanced molecular-
separation membranes, but their wide nanometer-sized pores prevent selective gas …