Synthesis and Characterization of Sb Doped SnO2(ATO) Nanoparticles

Abstract

Abstract: Sb doped SnO₂(ATO) nanoparticles were synthesized by the coprecipitation method with Sn and Sb₂O₃as the raw materials. TG-DSC curves showed that the precursors lose weight completely before 450℃; FTIRspectra showed that the precursors convert to SnO₂at 450℃; X-ray powder diffraction patterns of the powders indicated the same rutile lattice structure known from bulk SnO₂.The size of the particles calcinated at 500 ℃ was about 12 nm. The size of the nanocrystalline powders increased with the calcination temperature increasing. TEM showed that the particles are weakly agglomerated. The powders showed better sintering behavior and the density is about 97. 3% when being sintered at 950 ℃ for 5 h. The resistivity determined by the Hall system indicated that the particles are greatly conductive.

Key words: Nanoparticles, SnO₂, Doping

CLC Number:

O614
TB321

TrendMD:

ZHANG Jian-Rong, GAO Lian. Synthesis and Characterization of Sb Doped SnO₂(ATO) Nanoparticles[J]. Chem. J. Chinese Universities, 2003, 24(9): 1544.

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Synthesis and Characterization of Sb Doped SnO₂(ATO) Nanoparticles

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