Porous crystalline materials usually include metal–organic frameworks (MOFs), covalent
organic frameworks (COFs), hydrogen-bonded organic frameworks (HOFs) and zeolites …

Hydrogen-bonded organic frameworks (HOFs) are a new class of crystalline porous
materials that are formed through the interconnection of organic or metal–organic building …

Covalent organic frameworks (COFs) are ideal templates for constructing metal-free
catalysts for the oxygen reduction reaction due to their highly tuneable skeletons and …

The idea of spatial confinement has gained widespread interest in myriad applications.
Especially, the confined short hydrogen-bond (SHB) network could afford an attractive …

Covalent organic frameworks (COFs) are an emerging class of highly porous crystalline
organic polymers comprised entirely of organic linkers connected by strong covalent bonds …

Membrane-based separation is one of the most energy-efficient methods to meet the
growing need for a significant amount of fresh water. It is also well-known for its applications …

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

Porous organic polymers (POPs) are porous materials composed of light elements such as
C, H, N, and O. The benign characters, including large surface area, good physical and …

The increasing complexities associated with water pollution and the growing shortage of
freshwater resources pose significant obstacles to the long-term sustainability of human …

Abstract 2D covalent organic frameworks (2D COFs) are attractive candidates for next‐
generation membranes due to their robust linkages and uniform, tunable pores. Many …