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Title: Fabrication and photocatalytic properties of NaNbO3 nanorods
Other Titles: 一維鈮酸鈉納米桿的合成及光催化性能
Authors: Cheng, J
Zheng, GP 
Zhao, B
Keywords: NaNbO3
Hydrothermal method
Orthorhombic phase
H2 production rate
Issue Date: 2015
Publisher: 中国电子学会元件分会
Source: 电子元件与材料 (Electronic components & materials), 2015, v. 34, no. 11, p. 44-47 How to cite?
Journal: 电子元件与材料 (Electronic components & materials) 
Abstract: High crystalline and well-grown 1D orthorhombic phase NaNbO3 nanostructure was successfully prepared by traditional hydrothermal method with Nb2O5, NaOH as the source of niobium and sodium, and NaOH as the mineralizer,respectively. TG-DSC, XRD and SEM were employed to investigate the composition, crystalline structure and morphology of products at different stages. The Na2Nb2O6·1.4H2 O precursors were calcined at different temperatures. And they can be easily converted into 1D orthorhombic phase NaNbO3 nanorods when the temperature is above 400 ℃. As the temperature is increased gradually, the products keep good crystallinity, but start to distort in morphology even broke with defects. In addition, the photocatalytic activity was also evaluated by H2 production rate for the products after different post-treatment conditions. It was found that the photocatalytic activity of the products increase at the beginning and decrease at the end. When the post-heat treatment condition is 400 ℃ for 2 h, the average hydrogen production rate over NaNbO3 nanorods is 104.5 μmol·h-1.
ISSN: 1001-2028
Rights: © 2015 中国学术期刊电子杂志出版社。本内容的使用仅限于教育、科研之目的。
© 2015 China Academic Journal Electronic Publishing House. It is to be used strictly for educational and research purposes.
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