Significant differences of NH<sub>3</sub>-SCR performances between monoclinic and hexagonal WO<sub>3</sub> on Ce-based catalysts
Shuang Liu, Yao Pan, Mingming Pei, Qingjin Lin, Shuhao Xu, Jianli Wang, Haidi Xu, Yaoqiang Chen
Abstract
Compared with that of WO 3 -monoclinic (W-m), the special open structure of WO 3 -hexagonal (W-h) facilitates the interaction between W-h and Ce as well as improves the acidity and redox properties of Ce–W-h, reflecting its excellent NH 3 -SCR activity.
Topics & Concepts
Monoclinic crystal systemHexagonal crystal systemCatalysisRedoxMaterials scienceInorganic chemistryCrystallographyChemistryCrystal structureOrganic chemistryCatalytic Processes in Materials ScienceElectrocatalysts for Energy ConversionAdvanced Photocatalysis Techniques