Boosting photocatalytic activity through tuning electron spin states and external magnetic fields

作     者：Chengxiao Peng Wenjuan Fan Qian Li Wenna Han Xuefeng Chen Guangbiao Zhang Yuli Yan Qinfen Gu Chao Wang Huarong Zhang Peiyu Zhang Chengxiao Peng;Wenjuan Fan;Qian Li;Wenna Han;Xuefeng Chen;Guangbiao Zhang;Yuli Yan;Qinfen Gu;Chao Wang;Huarong Zhang;Peiyu Zhang

作者机构：Institute for Computational Materials ScienceSchool of Physics and ElectronicsHenan UniversityKaifeng 475004China International Joint Research Laboratory of New Energy Materials and Devices of Henan ProvinceKaifeng 475004China National Engineering Research Center for Magnesium AlloysChongqing UniversityChongqing 400044China State Key Laboratory of Advanced Special SteelsShanghai Key Laboratory of Advanced FerrometallurgySchool of Materials Science and EngineeringShanghai UniversityShanghai 200444China Australian SynchrotronANSTO800 Blackburn RdClayton3168VICAustralia 

出 版 物：《Journal of Materials Science & Technology》 (材料科学技术（英文版）)

年 卷 期：2022年第115卷第20期

页      面：208-220页

核心收录：

学科分类：081704[工学-应用化学] 081705[工学-工业催化] 07[理学] 070304[理学-物理化学(含∶化学物理)] 08[工学] 0817[工学-化学工程与技术] 0703[理学-化学] 

基　　金：the National Natural Science Foundation of China(Nos.61774055,51871138,and U2102212) the Science and Technology Committee of Shanghai(No.19010500400) 

主　　题：Spin states External magnetic field Light adsorption Charges separation Reaction barrier 

摘      要：Photocatalysis is considered as one of the most promising technologies to generate renewable energy and degrade environmental *** efforts have been made to improve photocatalytic *** these,tuning spin polarization and introducing an external magnetic field are considered two promising strategies to boost photocatalytic *** this review highlights the recent breakthroughs through manipulating spin states and applying external magnetic fields for enhancing photocatalytic *** relevant characterization techniques and fundamental mechanisms are *** polarization states of photocatalysts have received considerable attention due to their unique roles,including inhibiting the recombination of photoexcited carriers owing to spin orientation constraint,enhancing the reaction product selectivity,and reducing the reaction barriers via optimizing the absorption energy and binding *** for the effects of external magnetic field on photocatalytic performance,we mainly discuss the separation enhancement of photoinduced carriers under static and time-varying magnetic fields and the magneto-hydrodynamic effect of charged ***,the negative magnetoresistance effect is discussed due to the synergistic effects of the electron spin state and an external magnetic *** discussions in this review may provide new insights into designing new semiconductors for boosting photocatalytic performance in internal and external magnetic fields.