TY - JOUR
T1 - High-Efficacy Hierarchical Dy2O3/TiO2Nanoflower toward Wastewater Reclamation
T2 - A Combined Photoelectrochemical and Photocatalytic Strategy
AU - Kaid, Mahmoud M.
AU - Khder, Abdelrahman S.
AU - Ahmed, Saleh A.
AU - Ibrahim, Amr A.
AU - Altass, Hatem M.
AU - Alsantali, Reem I.
AU - Jassas, Rabab S.
AU - Khder, Menna A.
AU - Al-Rooqi, Munirah M.
AU - Moussa, Ziad
AU - Ahmed, Awad I.
N1 - Funding Information:
The authors acknowledge the Deanship of Scientific Research at Umm Al-Qura University for supporting this work by Grant No. 22UQU4320545DSR13. Also, the authors extend their sincere appreciation to Taif University Researchers Supporting Project No. TURSP-2020/312, Taif University, Taif, Saudi Arabia. Z.M. is grateful to the United Arab Emirates University of Al-Ain and the Research Office for supporting the research developed in his laboratory (Grant No. G00003291). The authors are grateful to Umm Al-Qura University for the use of the facilities and instrumentation.
Publisher Copyright:
© 2022 The Authors. Published by American Chemical Society.
PY - 2022
Y1 - 2022
N2 - Developing a sustainable photocatalyst is crucial to mitigate the foreseeable energy shortage and environmental pollution caused by the rapid advancement of global industry. We developed Dy2O3/TiO2 nanoflower (TNF) with a hierarchical nanoflower structure and a near-ideal anatase crystallite morphology to degrade aqueous rhodamine B solution under simulated solar light irradiation. The prepared photocatalyst was well-characterized using powder X-ray diffraction, Fourier transform infrared spectroscopy, transmission electron microscopy, energy-dispersive spectroscopy, scanning electron microscopy, Brunauer-Emmett-Teller, diffuse reflectance UV-vis spectra, and X-ray photoelectron spectroscopy. Further analysis was performed to highlight the photoelectrochemical activity of the prepared photocatalysts such as electrochemical impedance spectroscopy, linear sweep voltammetry, photocurrent response, and a Mott-Schottky study. The crystalline Dy2O3/TNF exhibits superb photocatalytic activity attributed to the improved charge transfer, reduced recombination rate of the electron-hole pairs, and a remarkable red-shift in light absorption.
AB - Developing a sustainable photocatalyst is crucial to mitigate the foreseeable energy shortage and environmental pollution caused by the rapid advancement of global industry. We developed Dy2O3/TiO2 nanoflower (TNF) with a hierarchical nanoflower structure and a near-ideal anatase crystallite morphology to degrade aqueous rhodamine B solution under simulated solar light irradiation. The prepared photocatalyst was well-characterized using powder X-ray diffraction, Fourier transform infrared spectroscopy, transmission electron microscopy, energy-dispersive spectroscopy, scanning electron microscopy, Brunauer-Emmett-Teller, diffuse reflectance UV-vis spectra, and X-ray photoelectron spectroscopy. Further analysis was performed to highlight the photoelectrochemical activity of the prepared photocatalysts such as electrochemical impedance spectroscopy, linear sweep voltammetry, photocurrent response, and a Mott-Schottky study. The crystalline Dy2O3/TNF exhibits superb photocatalytic activity attributed to the improved charge transfer, reduced recombination rate of the electron-hole pairs, and a remarkable red-shift in light absorption.
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U2 - 10.1021/acsomega.2c01090
DO - 10.1021/acsomega.2c01090
M3 - Article
AN - SCOPUS:85130801054
SN - 2470-1343
JO - ACS Omega
JF - ACS Omega
ER -