期刊
ACS APPLIED MATERIALS & INTERFACES
卷 9, 期 36, 页码 30273-30277出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.7b10233
关键词
BiOX; photocatalysis; carrier; exciton; solid solution; coupling
资金
- National Natural Science Foundation of China [51502146, U1404506, 21671113, 51702270]
- SWPU [2015QHZ001, 20149901010]
- State Key Laboratory of physical chemistry of solid surfaces (Xiamen University) [201601]
Exciton and carrier photocatalytic processes have been proved in bismuth oxyhalogen photocatalysts. But, there are no reports about how to regulate the different mechanisms to improve photocatalytic activity for different reaction. Here, we found that the photocatalytic mechanisms could be regulated by changing the assembly method of bismuth, oxygen, and halogen atoms. Reactive oxygen species (ROS) experimentals results concluded that solid solution BiOBr0.5I0.5 showed enhanced exciton photocatalytic process, and coupling 0.5BiOBr/0.5BiOI displayed improved carrier photocatalytic process This work promoted the understanding about solid solution and coupling for bismuth oxyhalogen.
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