Sub-micrometre spherical particles of TiO2, ZrO2 and PZT by nebulized spray pyrolysis of metal-organic precursors

Murugavel, P. ; Kalaiselvam, M. ; Raju, A. R. ; Rao, C. N. R. (1997) Sub-micrometre spherical particles of TiO2, ZrO2 and PZT by nebulized spray pyrolysis of metal-organic precursors Journal of Materials Chemistry, 7 (8). pp. 1433-1438. ISSN 0959-9428

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Official URL: http://pubs.rsc.org/en/content/articlelanding/1997...

Related URL: http://dx.doi.org/10.1039/A700301C

Abstract

Nebulized spray pyrolysis of metal–organic precursors in methanol solution has been employed to prepare powders of TiO2 , ZrO2 and PbZr0.5Ti0.5O3(PZT). This process ensures complete decomposition of the precursors at relatively low temperatures. The particles have been examined by scanning and transmission electron microscopy as well as X-ray diffraction. As prepared, the particles are hollow agglomerates of diameter 0.1-1.6 μm, but after heating to higher temperatures the ultimate size of the particles comprising the agglomerates are considerably smaller (0.1 μm or less in diameter) and crystalline.

Item Type:Article
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