With the rapid development of world economy,serious energy shortages and environmental crises have emerged.And photocatalytic technology is regarded as an effective solution to alleviate this problem.Bi2O3 has become one of the research hotspots in the field of environmental energy science due to its unique layered structure,narrow band gap and potential visible-driven photocatalytic performance.Herein,the preparation methods of Bi2O3 photocatalytic materials were reviewed,with emphasis on the research status of gas phase reaction,liquid phase reaction,solid phase reaction and other methods.The construction strategies,removal effects and main mechanisms of Bi2O3 photocatalytic materials were summarized,followed by introduction on their applications in environmental energy fields such as photocatalytic water environment treatment,hydrogen production by water decomposition,nitrogen fixation and desulfurisation,bactericidal disinfection,carbon dioxide reduction,electrodes and supercapacitors.Finally,the existing problems of Bi2O3 photocatalytic materials were pointed out and their future development direction was prospected.
关键词
Bi2O3/制备/复合改性/作用机理/光催化/应用
Key words
Bi2O3/preparation/composite modification/mechanism of action/photocatalysis/application
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