Rare earth-based functional nanomaterials have wide applications in catalytic CO_(2)reduction reaction(CO_(2)RR)due to their impressive performance.In particular,the superior oxygen storage and release ability of Ce^(...Rare earth-based functional nanomaterials have wide applications in catalytic CO_(2)reduction reaction(CO_(2)RR)due to their impressive performance.In particular,the superior oxygen storage and release ability of Ce^(4+)/Ce^(3+)reversible pairs,the high coordination number and rich coordination geometry of lanthanide(La)metal ions and the unique stereoselectivity of samarium(Sm)reagents have aroused more and more interest among scientists.To enhance the catalytic activity of Ce,La,Sm(CLS)-based catalysts,recent developments of various modification strategies have been performed to promote the charge transfer and activation of CO_(2).This review constructively discussed the synthesis of modified CLS-based materials and the corresponding applications in thermal catalytic CO_(2)RR,photocatalytic CO_(2)RR,and electrocatalytic CO_(2)RR.Finally,the current difficulties of these materials and further research on the modification of rare earth-based catalysts,as well as the potential future development have been identified.展开更多
Cerium dioxide(CeO_(2))is a significant rare earth oxide with the merits of rich oxygen defects,specific4f^(1)5d^(1)orbitals,and superior oxygen storage-release capacity in Ce^(4+)/Ce^(3+)reversibility pairs,and has b...Cerium dioxide(CeO_(2))is a significant rare earth oxide with the merits of rich oxygen defects,specific4f^(1)5d^(1)orbitals,and superior oxygen storage-release capacity in Ce^(4+)/Ce^(3+)reversibility pairs,and has been widely investigated as an active photocatalytic material for air pollution remediation.To enhance the photocatalytic efficiency of CeO_(2),recent developments of numerous modification strategies have been employed to broaden the light absorption range and reduce the recombination rate of electron-hole pairs.This review summarizes the fabrication of modified CeO_(2)catalysts,including metal or nonmetal doping,heterostructure construction and oxygen vacancy manufacturing,to provide insight into how those advanced techniques improve the photocatalytic activity.Moreover,this work provides a detailed discussion on the usage of modified CeO_(2)in the fields of air pollution control,including nitrogen oxides removal,volatile organic compounds elimination and the purification of carbon dioxide.Finally,the potential future development and further research on the modification of CeO_(2)has been identified.展开更多
Since the outbreak of coronavirus disease 2019(COVID-19),the entire world has been affected by the epidemic[1,2].On November 9,2021,a variant of the novel coronavirus B.1.1.529 was detected for the first time from cas...Since the outbreak of coronavirus disease 2019(COVID-19),the entire world has been affected by the epidemic[1,2].On November 9,2021,a variant of the novel coronavirus B.1.1.529 was detected for the first time from case samples in South Africa.The Omicron strain spread and mutated significantly fast.This variant has the characteristics of escape immunity,which can induce relatively extreme disease and reduce the neutralization of antibodies in vaccinators,and is more likely to be reinfected[3,4].The clinical presentation of severe acute respiratory syndrome coronavirus 2(SARSCoV-2)in children has mild symptoms and a lower risk of hospitalization and death.展开更多
基金financial supports from the National Key Research and Development Program of China(Nos.2022YFB3504100 and 2021YFB3500600)National Natural Science Foundation of Jiangsu Province(No.BK20240567)+6 种基金Natural Science Foundation of the Jiangsu Higher Education Institutions of China(No.22KJB610012)Key R&D Program of Jiangsu Province(No.BE2022142)Jiangsu International Cooperation Project(No.BZ2021018)Nanjing Science and Technology Top Experts Gathering Plan,Cooperation Foundation for the Chunhui Plan Program of Ministry of Education of China(No.202200554)Open Project Program of Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science(No.M2024-7),MOEOpen Project Program of Anhui Province Key Laboratory of Pollutant Sensitive Materials and Environmental Remediation(No.PSMER2023008)the Open Foundation of State Environmental Protection Key Laboratory of Soil Environmental Management and Pollution Control(No.SEMPC2023004)
文摘Rare earth-based functional nanomaterials have wide applications in catalytic CO_(2)reduction reaction(CO_(2)RR)due to their impressive performance.In particular,the superior oxygen storage and release ability of Ce^(4+)/Ce^(3+)reversible pairs,the high coordination number and rich coordination geometry of lanthanide(La)metal ions and the unique stereoselectivity of samarium(Sm)reagents have aroused more and more interest among scientists.To enhance the catalytic activity of Ce,La,Sm(CLS)-based catalysts,recent developments of various modification strategies have been performed to promote the charge transfer and activation of CO_(2).This review constructively discussed the synthesis of modified CLS-based materials and the corresponding applications in thermal catalytic CO_(2)RR,photocatalytic CO_(2)RR,and electrocatalytic CO_(2)RR.Finally,the current difficulties of these materials and further research on the modification of rare earth-based catalysts,as well as the potential future development have been identified.
基金financially supported by the National Key Research and Development Program of China(Nos.2022YFB3504100 and 2021YFB3500600)Jiangsu International Cooperation Project(No.BZ2021018)+5 种基金Key R&D Program of Jiangsu Province(No.BE2022142)Nanjing Science and Technology Top Experts Gathering PlanCooperation Foundation for the Chunhui Plan Program of Ministry of Education of China(No.202200554)Open Project Program of Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science(No.M2024-7)MOE,Open Project Program of Anhui Province Key Laboratory of Pollutant Sensitive Materials and Environmental Remediation(No.PSMER2023008)the Open Foundation of State Environmental Protection Key Laboratory of Soil Environmental Management and Pollution Control(No.SEMPC2023004)。
文摘Cerium dioxide(CeO_(2))is a significant rare earth oxide with the merits of rich oxygen defects,specific4f^(1)5d^(1)orbitals,and superior oxygen storage-release capacity in Ce^(4+)/Ce^(3+)reversibility pairs,and has been widely investigated as an active photocatalytic material for air pollution remediation.To enhance the photocatalytic efficiency of CeO_(2),recent developments of numerous modification strategies have been employed to broaden the light absorption range and reduce the recombination rate of electron-hole pairs.This review summarizes the fabrication of modified CeO_(2)catalysts,including metal or nonmetal doping,heterostructure construction and oxygen vacancy manufacturing,to provide insight into how those advanced techniques improve the photocatalytic activity.Moreover,this work provides a detailed discussion on the usage of modified CeO_(2)in the fields of air pollution control,including nitrogen oxides removal,volatile organic compounds elimination and the purification of carbon dioxide.Finally,the potential future development and further research on the modification of CeO_(2)has been identified.
基金funded by the Science and Technology Project in Zhejiang Province(LGC21H200004).
文摘Since the outbreak of coronavirus disease 2019(COVID-19),the entire world has been affected by the epidemic[1,2].On November 9,2021,a variant of the novel coronavirus B.1.1.529 was detected for the first time from case samples in South Africa.The Omicron strain spread and mutated significantly fast.This variant has the characteristics of escape immunity,which can induce relatively extreme disease and reduce the neutralization of antibodies in vaccinators,and is more likely to be reinfected[3,4].The clinical presentation of severe acute respiratory syndrome coronavirus 2(SARSCoV-2)in children has mild symptoms and a lower risk of hospitalization and death.
