A facile and novel route to high surface area ceria-based nanopowders by salt-assisted solution combustion synthesis

被引：56

作者：

Chen, Weifan ^{[1
]}

Li, Fengsheng

Yu, Jiyi

Liu, Leili

机构：

[1] Nanjing Univ Sci & Technol, Natl Special Superfine Powder Engn Res Ctr, Nanjing 210094, Peoples R China

[2] Shandong Inst Light Ind, Coll Chem Engn, Jinan 250100, Peoples R China

来源：

MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY | 2006年 / 133卷 / 1-3期

基金：

中国国家自然科学基金;

关键词：

salt-assisted; solution combustion synthesis; ceria-based nanopowders; ethylene glycol; high surface area;

D O I：

10.1016/j.mseb.2006.06.020

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A novel salt-assisted combustion process to synthesize high surface area ceria-based nanopowders has been developed. The effects of fuel-to-oxidant ratios, type and amount of added salt on the characteristics of the resultants were investigated by powder X-ray diffractometry (XRD), transmission electron microscopy (TEM) and BET surface area analysis. The facile addition of soluble inert salt in the redox mixture solution for combustion synthesis was found to result in the formation of well-dispersed nanoparticles and a drastic increase of specific surface area from 14.10 to 156.74 m(2)/g. Finally, a mechanism scheme was proposed to illustrate the possible formation processes of highly dispersed nanoparticles. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：151 / 156

页数：6

共 24 条

[1]

ABDUL H, 2004, CATAL TODAY, V96, P165

[2] Characterization of CeO2-ZrO2 mixed oxides.: Comparison of the citrate and sol-gel preparation methods [J].

Alifanti, M ;

Baps, B ;

Blangenois, N ;

Naud, J ;

Grange, P ;

Delmon, B .

CHEMISTRY OF MATERIALS, 2003, 15 (02) :395-403

[3] Combustion synthesis and properties of nanostructured ceria-zirconia solid solutions [J].

Aruna, ST ;

Patil, KC .

NANOSTRUCTURED MATERIALS, 1998, 10 (06) :955-964

[4] Combustion synthesis and characterization of nanocrystalline CeO2-based powders via ethylene glycol-nitrate process [J].

Chen, WF ;

Li, FS ;

Yu, JY .

MATERIALS LETTERS, 2006, 60 (01) :57-62

[5] Conversion of ethane to ethylene and synthesis gas with cerium oxide. Promoting effect of Pt, Ph and Ru [J].

Fathi, M ;

Bjorgum, E ;

Rokstad, OA .

CATALYSIS LETTERS, 2001, 72 (1-2) :25-31

[6] Preparation of ultrafine CeO2 powders by microwave-induced combustion and precipitation [J].

Fu, YP ;

Lin, CH ;

Hsu, CS .

JOURNAL OF ALLOYS AND COMPOUNDS, 2005, 391 (1-2) :110-114

[7] Preparation of Y2O3-doped CeO2 nanopowders by microwave-induced combustion process [J].

Fu, YP ;

Lin, CH .

JOURNAL OF ALLOYS AND COMPOUNDS, 2005, 389 (1-2) :165-168

[8] Mechanochemical synthesis and characterisation of nanoparticulate samarium-doped cerium oxide [J].

Hos, JP ;

McCormick, PG .

SCRIPTA MATERIALIA, 2003, 48 (01) :85-90

[9] Ceria-based solid electrolytes - Review [J].

Inaba, H ;

Tagawa, H .

SOLID STATE IONICS, 1996, 83 (1-2) :1-16

[10] A NEW APPROACH TO THERMOCHEMICAL CALCULATIONS OF CONDENSED FUEL-OXIDIZER MIXTURES [J].

JAIN, SR ;

ADIGA, KC ;

VERNEKER, VRP .

COMBUSTION AND FLAME, 1981, 40 (01) :71-79

← 1 2 3 →