Covalent organic frameworks (COFs) are a class of crystalline porous organic polymers with
permanent porosity and highly ordered structures. Unlike other polymers, a significant …

Conjugated microporous polymers (CMPs) are a unique class of materials that combine
extended π-conjugation with a permanently microporous skeleton. Since their discovery in …

The development of efficient storage materials for hydrogen is important for the viable
implementation of hydrogen-powered fuel-cell automobiles. In this review, we summarize …

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 …

Metal− organic frameworks (MOFs), also known as coordination polymers, represent an
interesting type of solid crystalline materials that can be straightforwardly self‐assembled …

Porous organic materials have garnered colossal interest with the scientific fraternity due to
their excellent gas sorption performances, catalytic abilities, energy storage capacities, and …

Porous aromatic frameworks (PAFs) represent an important category of porous solids. PAFs
possess rigid frameworks and exceptionally high surface areas, and, uniquely, they are …

Metal–organic frameworks (MOFs) that contain open metal sites have the potential for
storing hydrogen (H2) at ambient temperatures. In particular, Cu (I)-based MOFs …

A huge challenge facing scientists is the development of adsorbent materials that exhibit
ultrahigh porosity but maintain balance between gravimetric and volumetric surface areas …

Porosity can be viewed as a profound concept that helps us to understand nature and create
advanced structures. There are some interesting examples in nature, such as hollow …