Abstract
Pd-loaded K2NiF4-type perovskite oxides, Pd/La0.2Sr1.8-xMnO4 were prepared by liquid-phase adsorption process, and their structural and catalytic properties were investigated. Pd deposition was carried out by mixing La0.2Sr1.8MnO4 with Pd(NO3)2 in aqueous solution, followed by filtration, drying, and calcination at 800 °C. During the Pd deposition process, 5% of Sr in La0.2Sr1.8MnO4 oxides was dissolved into the aqueous phase, whereas the perovskite structure retained. The content of Pd loaded on La0.2Sr1.8MnO4 was 0.24 wt%. X-ray absorption spectroscopy studies showed that highly dispersed PdO nanoparticles were supported on Pd/La0.2Sr1.8MnO4 prepared by the liquid-phase adsorption process, whereas aggregated PdO particles were formed on Pd/La0.2Sr1.8MnO4 prepared by an impregnation method. The Pd/La0.2Sr1.8MnO4 catalyst prepared by the liquid-phase adsorption process exhibited higher catalytic activity for NO-CO reaction than the 0.24 wt% Pd/La0.2Sr1.8MnO4 catalyst prepared by the impregnation method.
| Original language | English |
|---|---|
| Pages (from-to) | 7-13 |
| Number of pages | 7 |
| Journal | Catalysis Today |
| Volume | 251 |
| DOIs | |
| Publication status | Published - Aug 1 2015 |
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All Science Journal Classification (ASJC) codes
- Catalysis
- Chemistry(all)
Cite this
Preparation and characterization of Pd loaded Sr-deficient K2NiF4-type (La, Sr)2MnO4 catalysts for NO-CO reaction. / Uchiyama, Tomoki; Karita, Reiko; Nishibori, Maiko; Einaga, Hisahiro; Teraoka, Yasutake.
In: Catalysis Today, Vol. 251, 01.08.2015, p. 7-13.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Preparation and characterization of Pd loaded Sr-deficient K2NiF4-type (La, Sr)2MnO4 catalysts for NO-CO reaction
AU - Uchiyama, Tomoki
AU - Karita, Reiko
AU - Nishibori, Maiko
AU - Einaga, Hisahiro
AU - Teraoka, Yasutake
PY - 2015/8/1
Y1 - 2015/8/1
N2 - Pd-loaded K2NiF4-type perovskite oxides, Pd/La0.2Sr1.8-xMnO4 were prepared by liquid-phase adsorption process, and their structural and catalytic properties were investigated. Pd deposition was carried out by mixing La0.2Sr1.8MnO4 with Pd(NO3)2 in aqueous solution, followed by filtration, drying, and calcination at 800 °C. During the Pd deposition process, 5% of Sr in La0.2Sr1.8MnO4 oxides was dissolved into the aqueous phase, whereas the perovskite structure retained. The content of Pd loaded on La0.2Sr1.8MnO4 was 0.24 wt%. X-ray absorption spectroscopy studies showed that highly dispersed PdO nanoparticles were supported on Pd/La0.2Sr1.8MnO4 prepared by the liquid-phase adsorption process, whereas aggregated PdO particles were formed on Pd/La0.2Sr1.8MnO4 prepared by an impregnation method. The Pd/La0.2Sr1.8MnO4 catalyst prepared by the liquid-phase adsorption process exhibited higher catalytic activity for NO-CO reaction than the 0.24 wt% Pd/La0.2Sr1.8MnO4 catalyst prepared by the impregnation method.
AB - Pd-loaded K2NiF4-type perovskite oxides, Pd/La0.2Sr1.8-xMnO4 were prepared by liquid-phase adsorption process, and their structural and catalytic properties were investigated. Pd deposition was carried out by mixing La0.2Sr1.8MnO4 with Pd(NO3)2 in aqueous solution, followed by filtration, drying, and calcination at 800 °C. During the Pd deposition process, 5% of Sr in La0.2Sr1.8MnO4 oxides was dissolved into the aqueous phase, whereas the perovskite structure retained. The content of Pd loaded on La0.2Sr1.8MnO4 was 0.24 wt%. X-ray absorption spectroscopy studies showed that highly dispersed PdO nanoparticles were supported on Pd/La0.2Sr1.8MnO4 prepared by the liquid-phase adsorption process, whereas aggregated PdO particles were formed on Pd/La0.2Sr1.8MnO4 prepared by an impregnation method. The Pd/La0.2Sr1.8MnO4 catalyst prepared by the liquid-phase adsorption process exhibited higher catalytic activity for NO-CO reaction than the 0.24 wt% Pd/La0.2Sr1.8MnO4 catalyst prepared by the impregnation method.
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UR - http://www.scopus.com/inward/citedby.url?scp=84929080460&partnerID=8YFLogxK
U2 - 10.1016/j.cattod.2014.09.033
DO - 10.1016/j.cattod.2014.09.033
M3 - Article
AN - SCOPUS:84929080460
VL - 251
SP - 7
EP - 13
JO - Catalysis Today
JF - Catalysis Today
SN - 0920-5861
ER -