Synthesis of solvothermal derived TiO2 nanocrystals supported on ground nano egg shell waste and its utilization for the photocatalytic dye degradation

TiO2 nanoparticles with excellent crystallinity were synthesized via solvothermal method and supported on the ground nano-sized egg shell waste at different loading concentrations. The photocatalytic degradation of the mixture of Methylene blue (MB) and Rhodamine 6G (Rh 6G) in aqueous solution utili...

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Bibliographic Details
Published in:Optical materials 2017-11, Vol.73, p.377-383
Main Authors: Singh, Rohini, Kumari, Pooja, Chavan, Prakash Dhondiram, Datta, Sudipta, Dutta, Suman
Format: Article
Language:English
Subjects:
Improved optical properties
Nanoparticles
Photo degradation
Solvothermal method
Supported nanoparticles
TiO2
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Summary:TiO2 nanoparticles with excellent crystallinity were synthesized via solvothermal method and supported on the ground nano-sized egg shell waste at different loading concentrations. The photocatalytic degradation of the mixture of Methylene blue (MB) and Rhodamine 6G (Rh 6G) in aqueous solution utilizing prepared TiO2 nano composite under visible light irradiation was analysed. Different characterizations including UV–Visible (UV–Vis) spectroscopy, Field emission scanning electron microscopic (FE-SEM), energy dispersive studies (EDS), Transmission electron microscopy (TEM) were performed to investigate the physicochemical properties of the prepared catalyst. In addition, FE-SEM and EDS analysis of the prepared egg shell support were carried out to confirm the morphology, particle size distribution, and composition. The solvothermal derived TiO2 nanocrystals supported on ground nano-sized egg shell waste exhibited enhanced photocatalytic activity as compared to the as-prepared TiO2 nanoparticles. The synergistic effect of TiO2 nanoparticles and nano egg shell support is attributed to the effective dispersion of TiO2 that offers high specific surface area. [Display omitted] •Synthesis of solvothermal derived optically active TiO2 nano particles.•Use of ground nano-eggshell waste as co-sorbent/support to enhance the catalytic activity of the prepared photocatalyst.•Optical and morphological characterization of the prepared photocatalyst and eggshell support.•Kinetics study of Methylene blue and Rhodamine 6G degradation over the prepared photocatalysts by simulated solar light.
ISSN:0925-3467
1873-1252
DOI:10.1016/j.optmat.2017.08.040