NDLI: Facile synthesis of rGO-supported $AgI-TiO_{2}$ mesocrystals with enhanced visible light photocatalytic activity

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Facile synthesis of rGO-supported $AgI-TiO_{2}$ mesocrystals with enhanced visible light photocatalytic activity

Content Provider	Scilit
Author	Qi, Hui-Ping Wang, Hui-Long Zhao, De-Ying
Copyright Year	2020
Description	Journal: Nanotechnology Facile synthesis of novel rGO-supported AgI decorated $TiO_{2}$ mesocrystals (AgI-TMCs-rGO) and their photocatalytic activity under visible light irradiation are reported. The catalysts were prepared by combining hydrothermal reaction process and in situ deposition-precipitation method. The structural features and chemical compositions of the prepared catalysts were investigated by HRTEM (high resolution transmission electron microscopy), XRD (X-ray powder diffraction), Raman spectra, XPS (X-ray photoelectron spectroscopy), UV-vis DRS (UV-vis diffuse reflectance spectra), PLS (photoluminescence spectra), and $N_{2}$ physisorption measurements. The AgI-TMCs-rGO catalysts featured large surface area, high adsorption capacity, enhanced photo-induced charge separation and strong absorbance of visible light. The intimate contact of various components and fast transfer of charge carriers can effectively suppress photolysis of AgI and do favor to structural stability of AgI-TMCs-rGO. The photocatalytic activity of the catalysts was evaluated by degrading Rhodamine B (RhB) in aqueous solution under visible light irradiation. Highest photocatalytic activity was observed in the sample 20%Ag-TMCs-rGO, attributed to the synergistic effects of lower band gap and charge carriers' recombination rate along with the higher surface area of the fabricated sample.
Related Links	https://iopscience.iop.org/article/10.1088/1361-6528/ab996d/pdf
ISSN	09574484
e-ISSN	13616528
DOI	10.1088/1361-6528/ab996d
Journal	Nanotechnology
Issue Number	37
Volume Number	31
Language	English
Publisher	IOP Publishing
Publisher Date	2020-06-04
Access Restriction	Open
Subject Keyword	Journal: Nanotechnology Chemical Engineering Reduced Graphene Oxide
Content Type	Text
Resource Type	Article
Subject	Chemistry Nanoscience and Nanotechnology Mechanics of Materials Mechanical Engineering Bioengineering Electrical and Electronic Engineering

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