Abstract

Zirconia nanorods and polyhedral particles were prepared using the molten-salt method. The effects of the LiF dosage on the ZrO2 crystal morphology were studied using XRD combined with Rietveld refinement, FE-SEM combined with EDS, FTIR, Raman spectroscopy, and high-temperature microscopy. The results show that the ZrO2 obtained with LiF is in the monoclinic phase. ZrO2 nanorods were synthesized at low LiF dosages. Polyhedral ZrO2 particles were synthesized, and the ZrO2 crystal planes (100) and (200) were exposed to a high LiF dosage. LiF promoted the dissolution of ZrO2 and was adsorbed onto the ZrO2 crystal surface. This work provides a new strategy for controlling morphology and crystal surface exposure.

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