Synthesis of KNbO3 Nanorods by Hydrothermal Method
Potassium niobate (KNbO3) nanorods were prepared from Nb2O5 powder by hydrothermal synthesis in KOH solution at 180 °C for 48 h using sodium dodecyl sulfate surfactant. The products were characterized by X-ray diffraction as well as scanning and transmission electron microscopy. The KNbO3 nanorods were shown to have orthorhombic crystal structure and were 100–300 nm in diameter and up to 5 μm long. The addition of surfactant changed the product morphology from agglomerated particles to nanorods. A possible mechanism for the formation of the KNbO3 nanorods is briefly discussed.
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Document Type: Research Article
Publication date: February 1, 2009
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