Journal
INORGANIC CHEMISTRY COMMUNICATIONS
Volume 130, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.inoche.2021.108715
Keywords
Facile synthesis; TiO2/BiOCl/La2O3 heterostructure; Photodegradation; UV-light photocatalytic activity; Dye pollutants
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A novel TiO2/BiOCl/La2O3 heterostructures synthesis approach prepared by hydrothermal, co-precipitation, and solid-state reaction demonstrated enhanced photocatalytic activity for the degradation of organic dyes under UV light illumination. The efficient separation of photogenerated charge carriers in the TiO2/BiOCl/La2O3 heterojunction significantly contributed to the improved UV-light photocatalytic performance.
A novel three-step synthesis approach of TiO2/BiOCl/La2O3 heterostructures was successfully prepared by hydrothermal, co-precipitation and solid-state reaction for enhances the photocatalytic activity through the degradation of Rhodamine B (RhB) and Reactive Yellow 86 (RY 86) organic dyes under UV-light illumination. The as-prepared photocatalysts were studied by using various physicochemical characterization tools like Powder X-ray diffraction (PXRD), UV-visible diffused reflectance spectroscopy (UV-Vis DRS), and Field emission scanning electron microscopy (FE-SEM) with EDX color mapping. The photocatalytic results were revealed TiO2/BiOCl and TiO2/BiOCl/La2O3 nanocatalyst effectively degrade RhB and RY 86 dyes molecules under UV light illumination within 120 min irradiation compare to pure TiO2. This prominent enhancement of UV-light photocatalytic activity can be ascribed to the efficient separation of photogenerated charge carriers by the effective construction of TiO2/BiOCl/La2O3 heterojunction.
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