Porous organic cages (POCs) are a relatively new class of low-density crystalline materials
that have emerged as a versatile platform for investigating molecular recognition, gas …

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 …

Membranes with high selectivity offer an attractive route to molecular separations, where
technologies such as distillation and chromatography are energy intensive. However, it …

Membranes of high ion permselectivity are significant for the separation of ion species at the
subnanometer scale. Here, we report porous organic cage (ie, CC3) membranes with …

Microporous framework membranes such as metal–organic framework (MOF) membranes
and covalent organic framework (COF) membranes are constructed by the controlled growth …

Molecular separations that enable selective transport of target molecules from gas and liquid
molecular mixtures, such as CO2 capture, olefin/paraffin separations, and organic solvent …

Concurrent regulation of crystallographic orientation and thickness of zirconium metal–
organic framework (Zr‐MOF) membranes is challenging but promising for their performance …

Energy shortages and climate change call for the development of clean and sustainable
energy. The development of green materials for clean energy storage and conversion is …

Membranes with fast and selective ion transport are widely used for water purification and
devices for energy conversion and storage including fuel cells, redox flow batteries and …

Metal–organic polyhedra are a member of metal–organic materials, and are together with
metal–organic frameworks utilized as emerging porous platforms for numerous applications …