Citation: ZHAO Lin, LI Bi-Rong, CHEN Zhang-Liang, WANG Xin, XIE Yan-Zhao, DIAO Yong. Simultaneous Synthesis and Characterization of Biomass Multi-elements Self-doped Titanium Dioxide by Ultrasonic Irradiation[J]. Chinese Journal of Analytical Chemistry, ;2018, 46(3): 364-372. doi: 10.11895/j.issn.0253-3820.171161 shu

Simultaneous Synthesis and Characterization of Biomass Multi-elements Self-doped Titanium Dioxide by Ultrasonic Irradiation

1.
School of Biomedical Sciences, Huaqiao University, Quanzhou 362021, China;
2.
Minnan Science and Technology Institute, Fujian Normal University, Quanzhou 362332, China

Received Date: 9 August 2017
Revised Date: 22 December 2017

Fund Project: This work was supported by the National Natural Science Foundation of China (No. U1405215), the Department of Education Science and Technology Project of Fujian Province, China (No. JAT16067), and the Quanzhou Science and Technology Bureau Project of Fujian Province, China (No. 2016G061).

The biomass multi-elements self-doped TiO₂ was synthesized simultaneously by ultrasonic irradiation assisted sol-gel method, and characterized by field emission scanning electron microscopy (FESEM), X-ray diffraction(XRD), X-ray photoelectron spectroscopy (XPS), UV-Vis diffuse reflectance spectroscopy (UV-Vis-DRS), Fourier transform infrared (FT-IR) spectroscopy, and photoluminescence (PL). The characterization results showed that, multiple elements, C, N, P, Cl and K, were doped in the composite TiO₂. Compared with pure TiO₂, the band gap of the composite catalyst was narrowed by 0.21 eV, and possessed more surface hydroxyl radical and active sites, lower recombination rate of photo-generated carriers, higher crystallinity and higher specific surface area. The photocatalytic ability of the composite catalyst was studied, using methylene blue (MB) as target pollutant. The experimental results showed that, under visible light irradiation, the degradation efficiency of methylene blue was up to 98% after photocatalytic reaction for two hours by the composite catalyst.
- Simultaneous synthesis,
- Multi-elements self-doped,
- Titanium dioxide,
- Photocatalysis,
- Characterization
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