典型文献
In-situ fabrication of Bi2S3/BiVO4/Mn0.5Cd0.5S-DETA ternary S-scheme heterostructure with effective interface charge separation and CO2 reduction performance
文献摘要:
Exploring new and efficient photocatalysts to boost photocatalytic CO2 reduction is of critical importance for solar-to-fuel conversion.In this study,through the in-situ growth method,a series of S-scheme mech-anism Bi2S3/BiVO4/Mn0.5Cd0.5S-DETA nanocomposites with good photocatalytic activity were synthesized.The extremely small size of Mn0.5Cd0.5S-DETA nanoparticles provides more active sites for photocatalytic reactions.In order to solve the serious shortcomings of sulfide photo-corrosion,BiVO4 were introduced as oxidation catalyst to consume too many holes and improve the stability of the material.In addition,the in-situ growth method produces the reduction cocatalyst Bi2S3 during the BiVO4 and Mn0.5Cd0.5S-DETA recombination process,thereby improving the efficiency of charge transfer at their interface contact.The ternary composite unveils a higher CO2-reduction rate(44.74 μmol g-1 h-1)comparing with pristine BiVO4(14.11 μmol g-1 h-1).The enhanced photocatalytic CO2 reduction performance is due to the spe-cial interface structure of the S-scheme Bi2S3/BiVO4/Mn0.5Cd0.5S-DETA photocatalyst,which facilitates the charge separation at the interface and improves its photocatalytic activity and stability.
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作者姓名:
Zhiwei Zhao;Xiaofeng Li;Kai Dai;Jinfeng Zhang;Graham Dawson
作者机构:
Laboratory of Green and Precise Synthetic Chemistry and Applications,Ministry of Education,Anhui Province Key Laboratory of Pollutant Sensitive Materials and Environmental Remediation,Huaibei Normal University,Huaibei 235000,China;Department of Chemistry,Xi'an Jiaotong Liverpool University,Suzhou 215123,China
文献出处:
引用格式:
[1]Zhiwei Zhao;Xiaofeng Li;Kai Dai;Jinfeng Zhang;Graham Dawson-.In-situ fabrication of Bi2S3/BiVO4/Mn0.5Cd0.5S-DETA ternary S-scheme heterostructure with effective interface charge separation and CO2 reduction performance)[J].材料科学技术(英文版),2022(22):109-119
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B类:
In,situ,fabrication,Bi2S3,BiVO4,Mn0,5Cd0,5S,DETA,ternary,scheme,heterostructure,effective,interface,charge,separation,reduction,performance,Exploring,new,efficient,photocatalysts,boost,photocatalytic,critical,importance,solar,fuel,conversion,this,study,through,growth,method,series,mech,anism,nanocomposites,good,activity,were,synthesized,extremely,small,nanoparticles,provides,more,active,reactions,order,solve,serious,shortcomings,sulfide,corrosion,introduced,as,oxidation,consume,too,many,holes,stability,material,addition,produces,cocatalyst,during,recombination,process,thereby,improving,efficiency,transfer,their,contact,unveils,higher,rate,comparing,pristine,enhanced,due,spe,cial,which,facilitates,improves,its
AB值:
0.493298
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