Metal Phosphate-Supported Pt Catalysts for CO Oxidation
AbstractOxides (such as SiO2, TiO2, ZrO2, Al2O3, Fe2O3, CeO2) have often been used to prepare supported Pt catalysts for CO oxidation and other reactions, whereas metal phosphate-supported Pt catalysts for CO oxidation were rarely reported. Metal phosphates are a family of metal salts with high thermal stability and acid-base properties. Hydroxyapatite (Ca10(PO4)6(OH)2, denoted as Ca-P-O here) also has rich hydroxyls. Here we report a series of metal phosphate-supported Pt (Pt/M-P-O, M = Mg, Al, Ca, Fe, Co, Zn, La) catalysts for CO oxidation. Pt/Ca-P-O shows the highest activity. Relevant characterization was conducted using N2 adsorption-desorption, inductively coupled plasma (ICP) atomic emission spectroscopy, X-ray diffraction (XRD), transmission electron microscopy (TEM), CO2 temperature-programmed desorption (CO2-TPD), X-ray photoelectron spectroscopy (XPS), and H2 temperature-programmed reduction (H2-TPR). This work furnishes a new catalyst system for CO oxidation and other possible reactions. View Full-Text
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Qian, X.; Qin, H.; Meng, T.; Lin, Y.; Ma, Z. Metal Phosphate-Supported Pt Catalysts for CO Oxidation. Materials 2014, 7, 8105-8130.
Qian X, Qin H, Meng T, Lin Y, Ma Z. Metal Phosphate-Supported Pt Catalysts for CO Oxidation. Materials. 2014; 7(12):8105-8130.Chicago/Turabian Style
Qian, Xiaoshuang; Qin, Hongmei; Meng, Tao; Lin, Yi; Ma, Zhen. 2014. "Metal Phosphate-Supported Pt Catalysts for CO Oxidation." Materials 7, no. 12: 8105-8130.