Polythiophene-tungsten selenide/nitrogen-doped graphene oxide nanocomposite for visible light-driven photocatalysis
Source abstract
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.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced Photocatalysis Techniques · 2D Materials and Applications · Conducting polymers and applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (42)
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