Metal–support interactions predominately determine the electronic structure and catalytic behavior of metal nanoparticles.However,direct tuning of the metal–support interaction under mild conditions and directional ...Metal–support interactions predominately determine the electronic structure and catalytic behavior of metal nanoparticles.However,direct tuning of the metal–support interaction under mild conditions and directional regulation of the surface charge remain challenging.Herein,we describe the transformation of Pd species in Pd/Si_(3)N_(4)catalysts under facile thermal activation conditions to control the selectivity of acetylene hydrogenation.Specifically,after thermal activation,a series of flattened Pd particles with different convexities were formed.展开更多
基金support from the National Key Research and Development Program of China(2021YFA1501800,2021YFA1501801 and 2021YFA1501802)the Science and Technology Department of Zhejiang Province(LGG20B060004)+2 种基金Zhejiang Province Public Welfare Technology Application Research Project(LGF19B050002)the National Natural Science Foundation of China(NSFCgrant No.21606199 and 21976129)is gratefully acknowledged.
文摘Metal–support interactions predominately determine the electronic structure and catalytic behavior of metal nanoparticles.However,direct tuning of the metal–support interaction under mild conditions and directional regulation of the surface charge remain challenging.Herein,we describe the transformation of Pd species in Pd/Si_(3)N_(4)catalysts under facile thermal activation conditions to control the selectivity of acetylene hydrogenation.Specifically,after thermal activation,a series of flattened Pd particles with different convexities were formed.