Abstract
Titanium (iv) oxide (amorphous, brookite, anatase, and rutile) fine particles have been synthesized by pyrolysis of an aerosol. As-received materials are constituted by hollow balloons of around 1–2 μm formed by very small crystalline nuclei, whose crystal size can be modified by annealing. By heating at 900 °C for 48 h individual crystals of around 1 μm are obtained. Intermediate sizes can be controlled as a function of the thermal treatment.
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Vallet-Regí, M., Peña, J., Martínez, A. et al. Selection of structural type and particle size in titanium (IV) oxide. Journal of Materials Research 8, 2336–2343 (1993). https://doi.org/10.1557/JMR.1993.2336
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DOI: https://doi.org/10.1557/JMR.1993.2336