Alkoxy Side Chain Engineering in Metal-Free Covalent Organic Frameworks for Efficient Oxygen Reduction.

ABSTRACT: Metal-free covalent organic frameworks (COFs) gain significant attention as catalysts for the oxygen reduction reaction (ORR), a key process in energy conversion technologies like fuel cells and metal-air batteries. While substantial efforts are devoted to unravelling the mechanisms, by which heteroatom-containing building blocks in linkers, vertices, and linkages, enhance catalytic activity and selectivity, the potential of side-chain engineering to modulate pore wall surfaces and optimize the catalytic environment remains largely underexplored. This study investigates the role of alkoxy side chains in modulating the properties of COFs to enhance ORR performance. The synthesized COFs have adjustable pore surfaces, integrating triazine rings and alkoxy groups to enhance channel hydrophilic

SUBMITTER: Li Z 

PROVIDER: S-EPMC12464629 | biostudies-literature | 2025 Sep

REPOSITORIES: biostudies-literature