<i>In situ</i> Raman spectroscopy reveals the structure evolution and lattice oxygen reaction pathway induced by the crystalline–amorphous heterojunction for water oxidation
Jianing Dong, Zhengxin Qian, Pan Xu, Mufei Yue, Ru-Yu Zhou, Yanjie Wang, Zi‐Ang Nan, Siying Huang, Quanfeng Dong, Jian‐Feng Li, Feng Ru Fan, Zhong‐Qun Tian
Abstract
The amorphous NiO x /crystalline α-Fe 2 O 3 heterojunctions were constructed and exhibited outstanding OER activities. Through the collaboration of multiple characterization techniques, the Lewis acid effect of Fe 3+ was revealed at molecular level.
Topics & Concepts
Raman spectroscopyAmorphous solidHeterojunctionIn situOxygenMaterials sciencePhotochemistryOxygen evolutionSpectroscopyLattice (music)ChemistryCrystallographyPhysical chemistryOptoelectronicsOpticsPhysicsOrganic chemistryElectrochemistryElectrodeAcousticsQuantum mechanicsSemiconductor materials and devicesElectrocatalysts for Energy ConversionElectronic and Structural Properties of Oxides