Bismuth sulfide (Bi2S3) nanotubes decorated TiO2 nanoparticles heterojunction assembly for enhanced solar light driven photocatalytic activity
Source abstract
Abstract
Abstract In this work, we report the synthesis of TiO 2 nanoparticles coupled with a metal sulfide semiconductor having narrower band gap i.e. Bi 2 S 3 , so as to utilize the maximum fraction of sunlight and to improve the photocatalytic performance of TiO 2 . Bi 2 S 3 nanotubes-TiO 2 nanoparticle heterostructures were successfully synthesized using a facile solvothermal process. The composition, morphology, optical and pore structural properties of the as prepared photocatalyst were studied by various techniques such as powder X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), fourier transformation infra-red spectroscopy (FTIR), photoluminescence spectroscopy (PL) and Brunauer-Emmett-Teller (BET) surface area analysis. It was observed that the synthesized heterostructures were composed of high density of TiO 2 nanoparticles along with Bi 2 S 3 nanotubes. The hetero-nanostructures composed of crystalline anatase TiO 2 and orthorhombic Bi 2 S 3 were synthesized, with high visible light response and surface area. The synthesized heterostructured photocatalyst was further explored for the degradation of a toxic azo dye i.e. amaranth dye under solar light and it exhibited superior photocatalytic activity as compared to bare Bi 2 S 3 and TiO 2 .
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced Photocatalysis Techniques · TiO2 Photocatalysis and Solar Cells · Chalcogenide Semiconductor Thin Films
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (53)
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