Abstract
Rutile Ni x Ti1-3x Sb2x O2 solid solution nanoparticles were synthesized by a sol-gel route using propylene oxide as a gelation agent. Titanium oxide nanopowder and 12% TiCl3 solution were used as the source for titanium to investigate the influence of the titanium precursors on the formation of the target materials. It was found that the nanoparticles prepared using 12% TiCl3 solution showed a much lower phase formation temperature (700°C) as compared to those prepared from TiO2 nanoparticles (1000°C). This lower phase formation temperature allowed a substantial reduction of the aggregation of the particles during calcination leading to the formation of nearly mono-dispersed nanoparticles of about 20 nm. The results of this work show that the epoxide assisted sol-gel method is capable to produce titanium-based ternary oxide solid solution nanoparticles, owing to the formation of a highly homogeneous precursor gel intermediate.
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Acknowledgments
This work was supported by research projects from MEC (NAN2004-09317-C04-02 and MAT2005-05131-C02-01).
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Cui, H., Zayat, M. & Levy, D. Epoxide assisted sol-gel synthesis of rutile Ni x Ti1-3x Sb2x O2 solid solution nanoparticles. J Sol-Gel Sci Technol 41, 313–317 (2007). https://doi.org/10.1007/s10971-006-9009-z
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DOI: https://doi.org/10.1007/s10971-006-9009-z