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Au NPs Loaded Al-MOF@PPy as Excellent Catalyst for the Removal of Organic Pollutants from Water

Key Laboratory for Environmental Pollution, Prediction and Control, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, P. R. China

E-mail Address: wuyl2018@lzu.edu.cn

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Yinyin Xu

Key Laboratory for Environmental Pollution, Prediction and Control, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, P. R. China

E-mail Address: yyxu@lzu.edu.cn

Corresponding author.

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Jingbo Feng

Key Laboratory for Environmental Pollution, Prediction and Control, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, P. R. China

E-mail Address: fengjb19@lzu.edu.cn

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, and

Yan Zhang

Key Laboratory for Environmental Pollution, Prediction and Control, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, P. R. China

E-mail Address: yanzhang2019@lzu.edu.cn

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https://doi.org/10.1142/S1793292021500028Cited by:10 (Source: Crossref)

Abstract

The novel Al-MOF@PPy@Au nanocomposites were synthesized by an in-situ growth method. The prepared Al-MOF@PPy@Au nanocomposites were characterized by Transmission Electron Microscope (TEM), Fourier Transform Infrared Spectrometer (FTIR), X-ray powder diffraction (XRD), Inductively Coupled Plasma (ICP) and X-ray photoelectron spectroscopy (XPS). The catalytic properties of the prepared Al-MOF@PPy@Au nanocomposites with different content of Au were investigated. The results illustrated that the Al-MOF@PPy@Au(G) with 27.80 wt.% (w/w) Au obtained good catalytic performance. P-nitrophenol (4-NP), methyl orange (MO), methylene blue (MB) and rhodamine B (RhB) were used to test the catalytic degradation of Al-MOF@PPy@Au(G) nanocomposites. The degradation efficiency of the Al-MOF@PPy@Au(G) nanocomposites for 4-NP, MO, MB and RhB reached 92.12%, 93.84%, 93.19% and 92.44% within 25 min, 7 min, 16 min and 2 min, respectively. The Al-MOF@PPy@Au(G) nanocomposites still have good degradation efficiency and good stability for 4-NP within one month being in water. The Al-MOF@PPy@Au(G) nanocomposites can be applied to the real water solution without causing the change of the degradation efficiency.

Keywords:

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