Preparing and evaluating rhodamine B removal ability in aqueous solutions of copper oxide nanoparticles
Nội dung chính của bài viết
Tóm tắt
In this paper, nanostructured copper oxide materials were prepared in N’N-dimethylformamide solvent from Cu(NO3)2×3H2O and benzene-1,4-dicarboxylic acid precursors. The obtained copper oxide nanoparticles were characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), thermogravimetric analysis (TG/dTG), nitrogen adsorption-desorption isotherms, scanning and transmission electron microscopy (SEM and TEM). At 120°C synthesis, the CuO crystalline phase was mainly formed, while at 180-220°C, the Cu2O and Cu crystalline phases were also formed in addition to the CuO crystalline phase. The adsorption or degradation ability based on H2O2/catalyst system of copper oxide nanoparticles for rhodamine B removal was also evaluated. The results showed that copper oxide nanoparticles had low adsorption capacity for rhodamine B, but high catalytic activity to decompose rhodamine B in aqueous solution with hydrogen peroxide as the oxidizing agent.
Từ khóa
Benzene-1.4-dicarboxylic acid, copper oxide, nanoparticle, rhodamine B
Chi tiết bài viết
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Tài liệu tham khảo
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