Template-Free Synthesis of Hierarchical m-ZrO₂ Nanorods and its Formation Mechanism

Abstract:

Hierarchical ZrO2 nanorods have recently received considerable attention due to their special physical and chemical properties. However, traditional preparation methods are involved in expensive equipment, complicated process and high production cost. Here we report a simple hydrothermal approach to prepare hierarchical ZrO2 nanorod. The results show that as-synthesized products are composed of many nanorods with 80~150 nm in diameter and 15~20 μm in length. After annealing, the final product was involved into hierarchical monoclinic ZrO2 (m-ZrO2) nanorods, namely, the big nanorod was made up of many small nanorods with 20~30 nm in diameter and 300~500 nm in length. The possible formation mechanism was proposed based on a series of chemical reactions and the natural properties of zirconium.

• Periodical: Advanced Materials Research (Volume 662)
• Pages: 76-79
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.662.76
• Online since: February 2013
• Authors: Fei Huang, Ai Hua Yan, Zheng Yi Fu, Fan Zhang, Ying Huai Qiang, Shi Bin Yin
• Keywords: Formation Mechanism, Hierarchical Materials, m-ZrO₂ Nanorod

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