| 纳米晶Sb掺杂SnO2(ATO)粉体的合成与表征 |
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| 引用本文： | 张建荣,高濂. 纳米晶Sb掺杂SnO2(ATO)粉体的合成与表征[J]. 高等学校化学学报, 2003, 24(9): 1544-1547 |
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| 作者姓名： | 张建荣 高濂 |
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| 作者单位： | 中国科学院上海硅酸盐研究所, 高性能陶瓷与超微结构国家重点实验室, 上海 200050 |
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| 基金项目： | 国家重点基础研究发展计划(973计划)，G1999064506， |
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| 摘 要： | 以Sn粉和Sb2O3为原料.采用共沉淀法制备了纳米ATO粉.TG-DSC及FTIR结果表明.450℃以前前驱体已失去全部水分.并完全转化为氧化物.XRD测量结果表明.所得ATO粉具有四方金红石结构.500℃焙烧后粉体的粒径为12nm.随着焙烧温度的升高.粉体的粒径增加.TEM测定结果表明,粉体的分散性很好.团聚很少.粉体的烧结性能良好,950℃时烧结5h即达到理论密度的97.3％.用霍尔系数法测定粉体的导电行为.表明该粉体具有良好的导电性能.
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| 关 键 词： | 纳米粉体 SnO2 掺杂 |
| 文章编号： | 0251-0790(2003)09-1544-04 |
| 收稿时间： | 2002-10-22 |
| 修稿时间： | 2002-10-22 |
Synthesis and Characterization of Sb Doped SnO2(ATO) Nanoparticles |
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| ZHANG Jian-Rong,GAO Lian. Synthesis and Characterization of Sb Doped SnO2(ATO) Nanoparticles[J]. Chemical Research In Chinese Universities, 2003, 24(9): 1544-1547 |
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| Authors: | ZHANG Jian-Rong GAO Lian |
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| Affiliation: | State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China |
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| 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. |
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| Keywords: | Nanoparticles SnO2 Doping |
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