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典型文献
Construction of atomic-level charge transfer channel in Bi12O17Cl2/MXene heterojunctions for improved visible-light photocatalytic performance
文献摘要:
Exploring efficient co-catalysts to accurately steer the charge separation of semiconductor photocatalysts is highly desired yet remains challenging.Here,we tackle the significant challenge by in situ growing the Bi12O17Cl2 photocatalyst onto two-dimensional(2D)Cl-terminated Ti3C2 MXene to construct 2D/2D heterojunction of Bi12O17Cl2 and Ti3C2.Firstly,2D few-layered Ti3C2 MXene with chlorine groups has been successfully syn-thesized by Lewis acidic etching strategy with subsequent ultrasonic exfoliation.The grafting of chlorine terminations on the surface of MXene serves as nucleating centers and growth platform,resulting in the formation of strong interfacial bonds(Bi-Cl-Ti)between Bi12O17Cl2 and Ti3C2.These strong bonds can facilitate the separation and transfer of photo-generated charge carriers between Bi12O17Cl2 photocatalyst and Ti3C2 cocatalyst.As expec-ted,the photocatalytic degradation rate of Bi12O17Cl2/Ti3C2 hybrids is 9.7 times higher than that of bare Bi12O17Cl2 nanosheets.This work not only exhibits a new design concept to effectively steer the charge separation for photocatalysis,but also gives a reference for constructing efficient MXene-based photocatalytic systems.
文献关键词:
作者姓名:
Song-Song Cui;Xuan Liu;Yin-Biao Shi;Ming-Ye Ding;Xiao-Fei Yang
作者机构:
College of Science,Nanjing Forestry University,Nanjing 210037,China
引用格式:
[1]Song-Song Cui;Xuan Liu;Yin-Biao Shi;Ming-Ye Ding;Xiao-Fei Yang-.Construction of atomic-level charge transfer channel in Bi12O17Cl2/MXene heterojunctions for improved visible-light photocatalytic performance)[J].稀有金属(英文版),2022(07):2405-2416
A类:
expec
B类:
Construction,atomic,level,charge,transfer,channel,Bi12O17Cl2,MXene,heterojunctions,improved,visible,light,photocatalytic,performance,Exploring,efficient,accurately,steer,separation,semiconductor,photocatalysts,highly,desired,yet,remains,challenging,Here,tackle,significant,challenge,by,situ,growing,onto,two,dimensional,2D,terminated,Ti3C2,Firstly,few,layered,chlorine,groups,has,been,successfully,syn,thesized,Lewis,acidic,etching,strategy,subsequent,ultrasonic,exfoliation,grafting,terminations,surface,serves,nucleating,centers,growth,platform,resulting,formation,strong,interfacial,bonds,between,These,facilitate,generated,carriers,cocatalyst,degradation,hybrids,times,higher,than,that,bare,nanosheets,This,work,not,only,exhibits,new,design,concept,effectively,photocatalysis,but,also,gives,reference,constructing,systems
AB值:
0.577144
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