Photo-promoted rapid reconstruction induced alterations in active site of Ag@amorphous NiFe hydroxides for enhanced oxygen evolution reaction
作者机构：School of ChemistryBeijing Advanced Innovation Center for Biomedical EngineeringBeihang UniversityBeijingChina School of PhysicsBeihang UniversityBeijingChina Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion MaterialsCollege of Materials and Chemical EngineeringChina Three Gorges UniversityYichangHubeiChina
出 版 物：《Carbon Energy》 (碳能源（英文）)
年 卷 期：2024年第6卷第9期
页 面：210-220页
核心收录：
学科分类：081704[工学-应用化学] 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：This work was supported by the National Natural Science Foundation of China(52073008,52272181) the China Postdoctoral Science Foundation(2023T160036)
主 题：Ag amorphous Ni-Fe hydroxide OER photo-promoted rapid reconstruction
摘 要：The dynamic surface self-reconstruction behavior in local structure correlates with oxygen evolution reaction(OER)performance,which has become an effective strategy for constructing the catalytic active ***,it remains a challenge to understand the mechanisms of reconstruction and to accomplish it fast and ***,we reported a photo-promoted rapid reconstruction(PRR)process on Ag nanoparticle-loaded amorphous Ni-Fe hydroxide nanosheets on carbon cloth for enhanced *** photogenerated holes generated by Ag in conjunction with the anodic potential contributed to a thorough reconstruction of the amorphous *** valence state of unsaturated coordinated Fe atoms,which serve as active sites,is significantly increased,while the corresponding crystalline substrate shows little *** different structural evolutions of amorphous and crystalline substrates during reconstruction lead to diverse pathways of *** PRR utilizing loaded noble metal nanoparticles can accelerate the generation of active species in the substrate and increase the electrical conductivity,which provides a new inspiration to develop efficient catalysts via reconstruction strategies.
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