In a recent article in Nature Energy,Zhang and He from Soochow University,Ozin from the University of Toronto,and their colleagues reported on a partially substituted perovskite that facilitates the efficient photocat...In a recent article in Nature Energy,Zhang and He from Soochow University,Ozin from the University of Toronto,and their colleagues reported on a partially substituted perovskite that facilitates the efficient photocatalytic dehydrogenation of ethane[1].This material represents another prototypical example of surface frustrated Lewis pairs(SFLPs)in heterogeneous photocatalysis.The concept of SFLPs is based on the original idea of‘frustrated Lewis pairs’(FLPs)—sterically hindered Lewis acids and bases that cannot form the classical adducts[2].While FLPs are wellestablished in homogeneous catalysis,their surface counterparts,SFLPs,have found important applications in heterogeneous catalysis using solid-state materials[3].SFLP-based catalysts often consist of(bi)metallic oxyhydroxide/oxides/hydroxides,such as In_(2)O_(3)-x(OH)y,CoGeO_(2)-x(OH)y,BixIn2-xO3,ZnSn(OH)6,Cu_(2)O/CeO_(2),modified CeO_(2),and MOFs[4‒7].More recently,materials like wurtzite-structured GaN,ZnO,and AlP have also been identified as exceptions.SFLPs are known to activate small molecules such as CO_(2),H2,alkenes,dienes,and alkynes,and have gained particular CO_(2) reduction[4‒9].However,the application of SFLPs in C−H activation of ethane via photocatalysis has been less explored.Therefore,this work opens new possibilities for utilizing SFLPs in catalysis beyond CO_(2) hydrogenation[10,11].展开更多
基金supported by the National Key R&D Program of China(Grant No.2021YFF0502000)the National Natural Science Foundation of China(Grant No.52372233)the China Postdoctoral Science Foundation(No.2024M762820).
文摘In a recent article in Nature Energy,Zhang and He from Soochow University,Ozin from the University of Toronto,and their colleagues reported on a partially substituted perovskite that facilitates the efficient photocatalytic dehydrogenation of ethane[1].This material represents another prototypical example of surface frustrated Lewis pairs(SFLPs)in heterogeneous photocatalysis.The concept of SFLPs is based on the original idea of‘frustrated Lewis pairs’(FLPs)—sterically hindered Lewis acids and bases that cannot form the classical adducts[2].While FLPs are wellestablished in homogeneous catalysis,their surface counterparts,SFLPs,have found important applications in heterogeneous catalysis using solid-state materials[3].SFLP-based catalysts often consist of(bi)metallic oxyhydroxide/oxides/hydroxides,such as In_(2)O_(3)-x(OH)y,CoGeO_(2)-x(OH)y,BixIn2-xO3,ZnSn(OH)6,Cu_(2)O/CeO_(2),modified CeO_(2),and MOFs[4‒7].More recently,materials like wurtzite-structured GaN,ZnO,and AlP have also been identified as exceptions.SFLPs are known to activate small molecules such as CO_(2),H2,alkenes,dienes,and alkynes,and have gained particular CO_(2) reduction[4‒9].However,the application of SFLPs in C−H activation of ethane via photocatalysis has been less explored.Therefore,this work opens new possibilities for utilizing SFLPs in catalysis beyond CO_(2) hydrogenation[10,11].