3D Covalent Arsenic Polyoxomolybdate‐Organic Polymer with Ultrahigh Photocatalytic Oxidative Ability for Aromatic C─H Activation

generation on BDOEB linkers, avoiding nonproductive substrate mineralization. This work not only demonstrates a new 3D covalent AsPOM-organic polymer for C─H functionalization but also provides a blueprint for designing molecularly precise, multifunctional photocatalysts for sustainable organic synthesis.