Research Progress on Crystal Growth Mechanism of Titania/Titanate Nano-powder Materials

doi:10.3724/SP.J.1077.2013.12690

Abstract

Abstract: Chemical and physical properties of titania/titanate nanomaterials should be strongly influenced by their crystalline phases, grain sizes, morphologies and microstructures. The process of crystal growth contains phase transition and morphological evolution behavior. In this review, the crystal phase transition mechanisms and morphology evolution models were elucidated based on the recent research works of crystal phase and morphology controlled synthesis of titania/titanate nano-powder materials, which included Ostwald Ripening, Ostwald’s step rule, Oriented Attachment Growth, Kirkendall Effect, etc. These phase transition mechanisms and morphology evolution models not only offer explanations for the formation of titania/titanate nano-powder materials with different phases and morphologies, but also give a guidance of phase and morphology controlled synthesis of titania/titanate nano-powder materials.

Key words: titania, titanate, crystal growth, morphology evolution, mechanism, review

CLC Number:

TQ174

ZHAO Bin, LIN Lin, CHEN Chao, HE Dan-Nong. Research Progress on Crystal Growth Mechanism of Titania/Titanate Nano-powder Materials[J]. Journal of Inorganic Materials, 2013, 28(7): 683-690.

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