Electrochemically Synthesized Pt/Al2O3 Oxidation Catalysts

被引：24
|
作者：
Doronkin, Dmitry E. [1 ,2 ]
Kuriganova, Aleksandra B. [3 ]
Leontyev, Igor N. [4 ]
Baier, Sina [2 ]
Lichtenberg, Henning [1 ,2 ]
Smirnova, Nina V. [3 ,5 ]
Grunwaldt, Jan-Dierk [1 ,2 ]
机构：
[1] Karlsruhe Inst Technol, Inst Catalysis Res & Technol, Hermann von Helmholtz Pl 1, D-76344 Eggenstein Leopoldshafen, Germany
[2] Karlsruhe Inst Technol, Inst Chem Technol & Polymer Chem, Engesserstr 20, D-76131 Karlsruhe, Germany
[3] Platov South Russian State Polytech Univ, 132 Prosveschenia St, Novocherkassk 346428, Russia
[4] Southern Fed Univ, Dept Phys, 5 Zorge St, Rostov Na Donu 344090, Russia
[5] Natl Univ Sci & Technol MISiS, Leninskiy Pr 4, Moscow 119049, Russia
来源：
CATALYSIS LETTERS | 2016年 / 146卷 / 02期
基金：
俄罗斯科学基金会;
关键词：
Platinum; DOC; Electrochemical dispersion; Oxidation; NO OXIDATION; CO OXIDATION; CARBON-MONOXIDE; PARTICLE-SIZE; PLATINUM; DISPERSION; PRECURSOR; SURFACE; EXAFS; NANOPARTICLES;
D O I：
10.1007/s10562-015-1651-z
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Pt/gamma-Al2O3 catalysts made by fast and simple electrochemical dispersion method were characterized using X-ray absorption spectroscopy, CO chemisorption, transmission electron microscopy and X-ray diffraction, and compared with an impregnated catalyst with respect to oxidation of CO and NO. A combination of techniques revealed average particle sizes of 3-4 nm for 0.81-3.8 wt% Pt/gamma-Al2O3 catalysts. Electrochemically prepared materials demonstrated catalytic activity comparable to that of conventional impregnated catalyst and reasonable stability. [GRAPHICS]
引用
收藏
页码：452 / 463
页数：12
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