Submit Manuscript  

Article Details


Synthesis of Cu2S-TiO2/MWCNTs Nanocomposites for Photo- Fenton-like Reaction

[ Vol. 11 , Issue. 1 ]

Author(s):

Mai Zhang, K.P. Annamalai, Tianlu Chen and Yousheng Tao*   Pages 15 - 19 ( 5 )

Abstract:


Background: Fenton reaction has been used for wastewater treatment. Photo- Fenton-like reaction which utilizes light irradiation is an alternative for Fenton reaction to enhance the degradation of pollutants.

Objective: To synthesize a photo-Fenton-like catalyst of high catalytic activity.

Methods: The heterojunction photo-Fenton-like catalysts of Cu2S-TiO2/multi-walled carbon nanotubes (MWCNTs) were prepared by incorporating photocatalyst TiO2 into Fenton-like catalyst Cu2S-loaded MWCNTs (Cu2S/MWCNTs). The morphologies and structures of the samples were studied by means of transmission electron microscopy (TEM), X-ray diffraction (XRD), and nitrogen adsorption/desorption at 77 K. The photo-Fenton-like catalytic activity of TiO2-Cu2S/MWCNTs was investigated with degradation of methylene blue under solar light.

Results: TiO2-Cu2S/MWCNTs nanocomposites were prepared by incorporating TiO2 into Cu2S/MWCNTs. The XRD results showed the coexistence of anatase TiO2 and Cu2S in the samples. The nanocomposites had a nanoporous structure with BET specific surface area of 105 m2g-1 and main mesopores with pore volume of 0.71 cm3g-1, showing photo-Fenton-like catalytic efficiency much higher than only Cu2S/MWCNTs under solar light.

Conclusion: The novel Cu2S-TiO2/MWCNTs exhibited high photo-Fenton-like catalytic efficiency under solar light. It could be explored as a catalyst for wastewater treatment.

Keywords:

Carbon nanotubes, photo-Fenton, catalyst, solar light, copper sulfide, titanium dioxide, nanocomposite, wastewater treatment.

Affiliation:

CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Haixi Institutes, Chinese Academy of Sciences (CAS), Fuzhou 350002, CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Haixi Institutes, Chinese Academy of Sciences (CAS), Fuzhou 350002, CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Haixi Institutes, Chinese Academy of Sciences (CAS), Fuzhou 350002, CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Haixi Institutes, Chinese Academy of Sciences (CAS), Fuzhou 350002

Graphical Abstract:



Read Full-Text article