刘中清, 葛昌纯, 周艳平. 溶胶-凝胶自燃合成掺杂纳米二氧化钛的相变[J]. 工程科学学报, 2006, 28(2): 153-156. DOI: 10.13374/j.issn1001-053x.2006.02.035
引用本文: 刘中清, 葛昌纯, 周艳平. 溶胶-凝胶自燃合成掺杂纳米二氧化钛的相变[J]. 工程科学学报, 2006, 28(2): 153-156. DOI: 10.13374/j.issn1001-053x.2006.02.035
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LIU Zhongqing, GE Changchun, ZHOU Yanping. Phase transformation of doped titania nanoparticles prepared by sol-gel sell-combustion synthesis[J]. Chinese Journal of Engineering, 2006, 28(2): 153-156. DOI: 10.13374/j.issn1001-053x.2006.02.035
Citation: LIU Zhongqing, GE Changchun, ZHOU Yanping. Phase transformation of doped titania nanoparticles prepared by sol-gel sell-combustion synthesis[J]. Chinese Journal of Engineering, 2006, 28(2): 153-156. DOI: 10.13374/j.issn1001-053x.2006.02.035
shu

溶胶-凝胶自燃合成掺杂纳米二氧化钛的相变

Phase transformation of doped titania nanoparticles prepared by sol-gel sell-combustion synthesis

    摘要
  • 摘要: 以TiCl4为前驱体，采用溶胶-凝胶自燃合成的方法制备了同时掺杂Ce3+，Fe3+，Zn2+的纳米TiO2粉体．用X光衍射法对粉体的相组成进行了表征．用正交试验研究方法考察了Fe/Ce、（Fe+Ce）/Ti、柠檬酸/Ti（物质的量的比）、煅烧温度、煅烧时间等对产物相组成的影响。结果表明，柠檬酸/Ti，煅烧温度，（Fe+Ce）/Ti对产物相组成具有显著影响。

     

    Abstract: Titania nanoparticles co-doped with Ce3+, Fe3+, Zn2+ were prepared by sol-gel self-combustion synthesis with TiCl4 as the precusor. The products were characterized by X-Ray Diffraction (XRD). The effects of Fe/Ce, (Fe + Ce)/Ti, citric acid/Ti (in mole ratio), calcining temperature and time on phase composition were investigated by the orthogonal experimental method. The results showed that citric acid/Ti, calcining temperature and (Fe + Ce)/Ti affect dominantly on phase composition of the products.

     

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