An Emerging Visible-Light Organic-Inorganic Hybrid Perovskite for Photocatalytic Applications

The development of visible-light active photocatalysts is a current challenge especially energy and environmental-related fields. Herein, methylammonium lead iodide perovskite (MAIPb) was chosen as the novel semiconductor material for its ability of absorbing visible-light. An easily reproducible an...

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Bibliographic Details
Published in:Nanomaterials (Basel, Switzerland) Switzerland), 2020-01, Vol.10 (1), p.115
Main Authors: Bresolin, Bianca-Maria, Ben Hammouda, Samia, Sillanpää, Mika
Format: Article
Language:English
Subjects:
Alternative energy sources
Catalytic oxidation
Efficiency
Fourier transforms
halide perovskite
Hydrogen peroxide
Iodides
Light
Morphology
oxidation
Perovskites
Photocatalysis
Photocatalysts
Photodegradation
Point defects
Pollutants
Radiation
Renewable resources
Rhodamine
rhodamine b
Semiconductor materials
Spectrum analysis
visible-light
Wastewater treatment
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Summary:The development of visible-light active photocatalysts is a current challenge especially energy and environmental-related fields. Herein, methylammonium lead iodide perovskite (MAIPb) was chosen as the novel semiconductor material for its ability of absorbing visible-light. An easily reproducible and efficient method was employed to synthesize the as-mentioned material. The sample was characterized by various techniques and has been used as visible-light photocatalyst for degradation of two model pollutants: rhodamine B (RhB) and methylene-blue (MB). The photo-degradation of RhB was found to achieve about 65% after 180 min of treatment. Moreover, the efficiency was enhanced to 100% by assisting the process with a small amount of H O . The visible-light activity of the photocatalyst was attributed to its ability to absorb light as well as to enhance separation of photogenerated carriers. The main outcome of the present work is the investigation of a hybrid perovskite as photocatalyst for wastewater treatment.
ISSN:2079-4991
2079-4991
DOI:10.3390/nano10010115