Constructing a Bi–O–Mo electronic bridge bond and active sites over Bi/Bi 2 MoO 6 /Bi 24 O 31 Br 10 to boost the stepwise transfer of electrons for efficient CO 2 photoreduction

A Bi–O–Mo bridge bond was introduced between BMO and BOB interfaces and surface metal active sites were modified. The catalyst accelerates multi-electron photocatalytic reduction processes and reduces the reaction energy barrier for CO 2 reduction.