Comparison between two combustion routes for the synthesis of nanocrystalline SnO2 powders

Two nitrate-citrate gel combustion routes for the synthesis of nanocrystalline SnO2 powders were compared. Metallic tin and tin dichloride were used as raw materials. The combustion process was more intense for the metallic tin route, resulting in smaller crystallite size (10.5 nm) and higher specif...

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Bibliographic Details
Published inMaterials letters Vol. 47; no. 4-5; pp. 262 - 266
Main Authors FRAIGI, L. B, LAMAS, D. G, WALSÖE DE RECA, N. E
Format Journal Article
LanguageEnglish
Published Amsterdam Elsevier 01.02.2001
Subjects
Chemistry
Colloidal state and disperse state
Cross-disciplinary physics: materials science; rheology
Disperse systems
Exact sciences and technology
General and physical chemistry
Materials science
Nanoscale materials and structures: fabrication and characterization
Physics
Powders
Particle size
Powders
Inorganic compounds
Thermal decomposition
Combustion
Experimental study
Tin chlorides
Precursor
Heat treatments
Characterization
Tin oxides
Chemical preparation
Tin
Gel growth
Surface area
Thermodynamic properties
Nanocrystal
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Summary:Two nitrate-citrate gel combustion routes for the synthesis of nanocrystalline SnO2 powders were compared. Metallic tin and tin dichloride were used as raw materials. The combustion process was more intense for the metallic tin route, resulting in smaller crystallite size (10.5 nm) and higher specific surface area (49.4 m2/g). The presence of chloride ions in powders obtained by the tin dichloride route was also studied. 16 refs.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0167-577X
1873-4979
DOI:10.1016/S0167-577X(00)00246-9