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Journal of Nanoparticle Research

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01.10.2019 | Research Paper

Polythiophene-tungsten selenide/nitrogen-doped graphene oxide nanocomposite for visible light-driven photocatalysis

verfasst von: Yanan Liu, Han Yin, Chengcheng Xu, Xingchen Zhuge, Jun Wan

Erschienen in: Journal of Nanoparticle Research | Ausgabe 10/2019

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Abstract

The organic dye pollutants are of more concern due to their toxic effects on human health, animals, and plants, and researchers thus should pay more attention to their removal. The nanocomposite photocatalysts of polythiophene-tungsten selenide/nitride-doped graphene oxide (PTh-WSe₂/NG) were synthesized by a facile hydrothermal method. The catalytic activity of the nanocomposite was detected by degradation methylene blue (MB) under visible light. The as-prepared nanocomposite was characterized by scanning electron microscope (SEM), transmission electron microscope (TEM), X-ray powder diffraction (XRD), and Fourier transform infrared spectroscopy (FT-IR). The results showed that the photocatalytic performance of the composites was better than those of WSe₂ and PTh. This was mainly due to the PTh-WSe₂/NG which contains excellent conductivity and charge separation characteristics of PTh, WSe₂, and NG. They effectively inhibit the recombination of electron-hole pairs of PTh-WSe₂/NG. 12.5 wt% PTh-WSe₂/NG (12.5 wt% of PTh) was the most efficient catalyst, with the removal rate reaching to 94.8% of 1.0 × 10^–4 mol/L MB within 60 min of visible light irradiation.

Vorheriger Artikel An atomic scale Monte Carlo study of exchange bias in homogeneous/inhomogeneous core/shell Fe3O4/CoO nanoparticles

Nächster Artikel Enhanced photocatalytic activity of biosynthesized Au-Ag/TiO2 catalyst by removing excess anchored biomolecules

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Titel: Polythiophene-tungsten selenide/nitrogen-doped graphene oxide nanocomposite for visible light-driven photocatalysis
verfasst von: Yanan Liu
Han Yin
Chengcheng Xu
Xingchen Zhuge
Jun Wan
Publikationsdatum: 01.10.2019
Verlag: Springer Netherlands
Erschienen in: Journal of Nanoparticle Research / Ausgabe 10/2019
Print ISSN: 1388-0764
Elektronische ISSN: 1572-896X
DOI: https://doi.org/10.1007/s11051-019-4648-5

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