Covalent organic frameworks are crystalline porous polymers in which organic building blocks are connected by strong covalent bonds to form ordered two-dimensional or three-dimensional networks. Often abbreviated as COFs, covalent organic frameworks combine low density, high surface area, tunable pore architecture, and chemically programmable backbones. Their properties depend on monomer geometry, linkage chemistry, crystallinity, pore size, stacking, defects, and post-synthetic modification.
COFs matter because they offer a lightweight and designable platform for separations, catalysis, energy storage, proton conduction, sensing, optoelectronics, water purification, and drug delivery. Their ordered channels can be engineered for molecular recognition, ion transport, charge transport, and selective adsorption, placing them within the broader field of nanoporous materials. Two-dimensional COFs also connect to research on two-dimensional materials, thin films, membranes, and layered organic semiconductors.
Conferences on covalent organic frameworks are found in materials chemistry, nanotechnology, polymer science, catalysis, membrane science, and energy programs. Sessions often focus on synthesis, crystallization, topology design, thin-film growth, charge transport, and applications in adsorption or catalysis. Tracking COF events is useful because the field links molecular precision with scalable porous materials and emerging functional devices.
To learn more, read our detailed glossary article on covalent organic frameworks.