首页|Trinuclear Nickel Catalyst for Water Oxidation:Intramolecular Proton-Coupled Electron Transfer Triggered Trimetallic Cooperative O-O Bond Formation
Trinuclear Nickel Catalyst for Water Oxidation:Intramolecular Proton-Coupled Electron Transfer Triggered Trimetallic Cooperative O-O Bond Formation
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We report a molecular trinuclear nickel(TNC-Ni)catalyst for water oxidation that exhibited high catalytic performance and stability under neutral conditions(pH 7).Electrochemical studies dis-closed that cooperation among the three nickel sites plays a vital role in both charge accumulation and O-O bond formation.This TNC-Ni catalyst could accomplish 4e-oxidation of water by involv-ing all three nickel sites and the O-O bond forma-tion was triggered by a charge distribution process from 5 to 5dp via proton-coupled electron transfer.
water oxidationproton-coupled elec-tron transfernickel catalystartificial photosynthe-sisO-O bond formation
Center of Basic Molecular Science(CBMS),Department of Chemistry,Tsinghua University,Beijing 100084
Key Laboratory of Material Chemistry for Energy Conversion and Storage,Ministry of Education,School of Chemistry and Chemical Engineering,Huazhong University of Science and Technology,Wuhan 430074
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