Sharply expanding single-atomically dispersed Fe–N active sites through bidirectional coordination for oxygen reduction
Huihui Jin, Ruohan Yu, Pengxia Ji, Weihao Zeng, Zhengying Li, Daping He, Shichun Mu
Abstract
Triphenylphosphine not only restricts Fe growth with 2-methylimidazole in bidirectional confinement to obtain high-density Fe–N sites, but also prevents the irregular aggregation of Fe on the carbon surface to generate positive Fe 2 P nanocrystals.
Topics & Concepts
Reduction (mathematics)OxygenOxygen reductionActive oxygenOxygen reduction reactionCoordination complexMaterials scienceChemical physicsNanotechnologyChemistryMetallurgyPhysical chemistryElectrodeMetalElectrochemistryMathematicsGeometryOrganic chemistryElectrocatalysts for Energy ConversionSemiconductor materials and devicesNanomaterials for catalytic reactions