Please use this identifier to cite or link to this item: https://dspace.ctu.edu.vn/jspui/handle/123456789/33396
Title: Investigation of photoelectrochemical properties of TiO₂ nanotube arrays prepared by anodization method
Authors: Nguyen, Thi Van Anh
Mai, Thi Xuan
Phan, Thi Binh
Mai, Thi Thanh Thuy
Keywords: Photoelectrochemical
Nanotube arrays
Anodization
Issue Date: 2020
Series/Report no.: Vietnam Journal of Chemistry;Vol. 58 No. 02 .- P.180-184
Abstract: TiO₂ nanotube arrays were prepared successfully by anodization of Ti foil in electrolyte containing 0.25 % NH₄F, 5 % H₂O and 94.75 % ethylene glycol and subsequently calcination al various temperatures from 300 to 600 °C in air. The crystalline structure and surface morphology of samples were determined by X-ray diffraction and SEM images. respectively. The effect of calcination temperature, anodi/ation time and voltage on the photoelectroehemieal property of TiO₂ nanotube arrays had been investigated. Based on the obtained results, the highest photoeurrent density of 5.29 mA/cm² was found for TiO₂ nanotube arrays synthesized under conditions such as anodization time of 2 hours, anodization voltage of 40 V and calcinated at 500 °C.
URI: https://dspace.ctu.edu.vn/jspui/handle/123456789/33396
ISSN: 2525-2321
Appears in Collections:Vietnam Journal of Chemistry

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