典型文献
Efficient photoreduction strategy for uranium immobilization based on graphite carbon nitride/activated carbon nanocomposites
文献摘要:
Uranium removal from aqueous solutions using environmentally friendly photocatalytic technology is a novel approach for resource recovery.Herein,carbon nitride/activated carbon composite materials(CN/AC)were investigated for U(Ⅵ)reduction under visible light.An exceptional boost in photocatalytic activity was observed for CN/AC composites(up to 70 times over the conventional bulk g-C3N4).The strong interactive conjugated π-bond structure between g-C3N4 and AC accelerated the migration of car-riers and then prolonged the electron lifetime.CN/AC composites exhibited excellent compatibility with different water substrates and were resilience to a wide range of pH changes and abundant competi-tive anions/cations.Quenching experiments and electron microscopy characterization indicated that U(Ⅵ)was reduced by photogenerated electrons and deposited on the edge of CN/AC composites.The low-cost,high-performance carbon-based composite material proposed in this work is a potential candidate for the efficient treatment of radioactive wastewater.
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作者姓名:
Shuyang Li;Zhiwei Niu;Duoqiang Pan;Zhenpeng Cui;Hewen Shang;Jie Lian;Wangsuo Wu
作者机构:
School of Nuclear Science and Technology,Lanzhou University,Lanzhou 730000,China;Key Laboratory of Special Function Materials and Structure Design,Ministry of Education,Lanzhou 730000,China;Frontiers Science Center for Rare Isotopes,Lanzhou University,Lanzhou 730000,China
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引用格式:
[1]Shuyang Li;Zhiwei Niu;Duoqiang Pan;Zhenpeng Cui;Hewen Shang;Jie Lian;Wangsuo Wu-.Efficient photoreduction strategy for uranium immobilization based on graphite carbon nitride/activated carbon nanocomposites)[J].中国化学快报(英文版),2022(07):3581-3584
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Efficient,photoreduction,strategy,uranium,immobilization,graphite,carbon,nitride,activated,nanocomposites,Uranium,removal,from,aqueous,solutions,using,environmentally,friendly,photocatalytic,technology,novel,approach,resource,recovery,Herein,materials,CN,AC,were,investigated,under,visible,light,An,exceptional,boost,activity,observed,up,times,conventional,bulk,C3N4,strong,interactive,conjugated,bond,structure,between,accelerated,migration,riers,then,prolonged,lifetime,exhibited,excellent,compatibility,different,substrates,resilience,wide,range,changes,abundant,competi,anions,cations,Quenching,experiments,microscopy,characterization,indicated,that,reduced,by,photogenerated,electrons,deposited,edge,low,cost,high,performance,proposed,this,work,potential,candidate,efficient,treatment,radioactive,wastewater
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0.68447
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