Synthesis and characterization of nickel-doped ceria nanoparticles with improved surface reducibility

被引：29

作者：

Derafa, Wassila ^{[1
,2
]}

Paloukis, Fotios ^{[1
]}

Mewafy, Basma ^{[1
]}

Baaziz, Walid ^{[3
]}

Ersen, Ovidiu ^{[3
]}

Petit, Corinne ^{[1
]}

Corbel, Gwenael ^{[4
]}

Zafeiratos, Spyridon ^{[1
]}

机构：

[1] Univ Strasbourg, ICPEES, UMR 7515, ECPM,CNRS, 25 Rue Becquerel, F-67087 Strasbourg 02, France

[2] Jouf Univ, Chem Dept, Coll Sci, POB 2014, Sakaka, Saudi Arabia

[3] Univ Strasbourg, IPCMS, UMR 7504, CNRS, 23 Rue Loess, F-67037 Strasbourg 08, France

[4] Le Mans Univ, IMMM, UMR 6283, CNRS, Ave Olivier Messiaen, F-72085 Le Mans 9, France

来源：

RSC ADVANCES | 2018年 / 8卷 / 71期

基金：

欧盟地平线“2020”;

关键词：

CATALYTIC PERFORMANCE; CARBON-DIOXIDE; METAL; OXIDE; OXIDATION; CEO2; MONODISPERSE; REDUCTION; INTERFACE; CATHODE;

D O I：

10.1039/c8ra07995a

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Nickel-doped ceria nanoparticles (Ni0.1Ce0.9O2-x NPs) were fabricated from Schiff-base complexes and characterized by various microscopic and spectroscopic methods. Clear evidence is provided for incorporation of nickel ions in the ceria lattice in the form of Ni3+ species which is considered as the hole trapped state of Ni2+. The Ni0.1Ce0.9O2-x NPs exhibit enhanced reducibility in H-2 as compared to conventional ceria-supported Ni particles, while in O-2 the dopant nickel cations are oxidized at higher valence than the supported ones.

引用

页码：40712 / 40719

页数：8

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