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Article

One-Step Acidic Hydrothermal Preparation of Dendritic Rutile TiO2 Nanorods for Photocatalytic Performance

1
Department of Chemical Engineering, School of Environmental and Chemical Engineering, Nanchang University, Nanchang 330031, China
2
Key Lab of Poyang Lake Ecology and Bio-resource Utilization (Ministry of Education), Nanchang University, Nanchang 330031, China
3
Jiangxi Province Key Laboratory of Edible and Medicinal Plant Resources, Nanchang University, Nanchang 330031, China
*
Authors to whom correspondence should be addressed.
Nanomaterials 2018, 8(9), 683; https://doi.org/10.3390/nano8090683
Received: 26 July 2018 / Revised: 29 August 2018 / Accepted: 30 August 2018 / Published: 1 September 2018
(This article belongs to the Special Issue Titanate Nanostructures)
Three-dimensional and dendritic rutile TiO2 nanorods were successfully fabricated on a Ti foil surface using a one-step acidic hydrothermal method. The TiO2 nanorods were characterized using X-ray diffraction (XRD), energy dispersive X-ray spectrometry (EDX), transmission electron microscopy (TEM), scanning electron microscopy (SEM), and optical contact angle testing. The results showed that the nanorods with diameters of 100–500 nm and lengths of 100 nm to 1 μm were obtained on the Ti foil surface. The length and density of the TiO2 nanorods were perfect at the conditions of HCl concentration 0.5 mol/L, temperature 220 °C, and reaction time 12 h. The TiO2 nanorods formed parallel to the consumption of Ti and grew along the (110) direction having a tetragonal rutile crystal. The morphology of the nanorods possessed a three-dimensional structure. The contact angle of the nanorods was only 13 ± 3.1°. Meanwhile, the photocatalytic activities of the TiO2 nanorods were carried out using ultraviolet fluorescence spectrophotometry for the methyl orange detection, and the degradation was found to be about 71.00% ± 2.43%. Thus, TiO2 nanorods can be developed by a one-step acidic hydrothermal method using Ti foil simultaneously as the substrate with a TiO2 source; the TiO2 nanorods exhibited photocatalytic performance while being environment-friendly. View Full-Text
Keywords: titanium dioxide; nanorods; photocatalysis; acidic hydrothermal method; hydrophilicity titanium dioxide; nanorods; photocatalysis; acidic hydrothermal method; hydrophilicity
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MDPI and ACS Style

Gong, C.; Du, J.; Li, X.; Yu, Z.; Ma, J.; Qi, W.; Zhang, K.; Yang, J.; Luo, M.; Peng, H. One-Step Acidic Hydrothermal Preparation of Dendritic Rutile TiO2 Nanorods for Photocatalytic Performance. Nanomaterials 2018, 8, 683. https://doi.org/10.3390/nano8090683

AMA Style

Gong C, Du J, Li X, Yu Z, Ma J, Qi W, Zhang K, Yang J, Luo M, Peng H. One-Step Acidic Hydrothermal Preparation of Dendritic Rutile TiO2 Nanorods for Photocatalytic Performance. Nanomaterials. 2018; 8(9):683. https://doi.org/10.3390/nano8090683

Chicago/Turabian Style

Gong, Cheng, Jun Du, Xiuyun Li, Zhenjie Yu, Jiansong Ma, Wenqian Qi, Kai Zhang, Jin Yang, Mei Luo, and Hailong Peng. 2018. "One-Step Acidic Hydrothermal Preparation of Dendritic Rutile TiO2 Nanorods for Photocatalytic Performance" Nanomaterials 8, no. 9: 683. https://doi.org/10.3390/nano8090683

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