Chem. Commun., 2025, Accepted Manuscript DOI: 10.1039/D5CC03869C, Feature Article Zhiwei Shao, Xiaojiao Du, Wei Jiang, Jun Di Given the limitations of traditional photocatalysts in terms of light absorption range and carrier recombination rate, Bi2Sn2O7 (BSO) has attracted widespread attention due to its unique crystal structure, tunable band...