Citation: Cong-yang Zou, Ze-da Meng, Wen-chao Ji, Shou-qing Liu, Zhemin Shen, Yuan Zhang, Ni-shan Jiang. Preparation of a fullerene[60]-iron oxide complex for the photo-fenton degradation of organic contaminants under visible-light irradiation[J]. Chinese Journal of Catalysis, ;2018, 39(6): 1051-1059. doi: 10.1016/S1872-2067(18)63067-0 shu

Preparation of a fullerene[60]-iron oxide complex for the photo-fenton degradation of organic contaminants under visible-light irradiation

a School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China;
b School of Environmental Science and Engineering, Suzhou University of Science and Technology Shihu Campus, Suzhou 215009, Jiangsu, China

Received Date: 8 January 2018
Revised Date: 21 March 2018

Fund Project: The work was supported by the National Natural Science Foundation of China (21347006, 21576175, 51478285, 51403148), the Opening Project of Key Laboratory of Jiangsu Province environmental science and engineering of Suzhou University of Science and Technology (zd131205), Collaborative Innovation Center of Technology and Material of Water Treatment and Suzhou Key Lab of Separation and Purification Materials & Technologies (SZS201512).

Iron oxide (Fe₂O₃) was doped onto fullerene[60] (C₆₀) to form a C₆₀-Fe₂O₃ composite using an easy and scalable impregnation method. The as-prepared C₆₀-Fe₂O₃ samples were characterized by powder X-ray diffraction, X-ray photoelectron spectroscopy, scanning electron microscopy, high-resolution transmission electron microscopy, UV-vis absorption spectroscopy, Raman spectroscopy, and Fourier transform infrared spectroscopy. The photocatalytic activity of the C₆₀-Fe₂O₃ catalyst was evaluated by examining the degradation of methylene blue (MB), rhodamine B (RhB), methyl orange (MO), and phenol under visible light (λ > 420 nm) in the presence of hydrogen peroxide. The results showed that the catalyst exhibited excellent catalytic properties over a wide pH range 3.06-10.34. Under optimal conditions, 98.9% discoloration and 71% mineralization of MB were achieved in 80 min. Leaching test results indicated that the leaching of iron from the catalyst was negligible and that the catalyst had a high photocatalytic activity after five reaction cycles. The catalyst was also efficient in the degradation of RhB, MO, and phenol. These findings could be attributed to the synergetic effects of C₆₀ and Fe₂O₃. We used active species trapping experiments to determine the main active oxidant in the photocatalytic reaction process and found that hydroxyl radicals played a major role in the entire process.
- C₆₀-Fe₂O₃,
- Heterogeneous photocatalysis,
- Photo-Fenton,
- Visible light,
- Active species trapping
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