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High Photocatalytic Performance of Pd/PdO‐Supported BiVO 4 Nanoparticles for Rhodamine B Degradation under Visible LED Light Irradiation
Author(s) -
Nguyen Trinh Duy,
Cao Vu Dai,
g Linh Xuan,
Nguyen Vinh Huu,
Bach Long Giang,
Le Nhan Thi Hong,
Luu Tuan Duy,
Hong Seong Soo,
Lim Kwon Taek,
Vo DaiViet N.
Publication year - 2019
Publication title -
chemistryselect
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.437
H-Index - 34
ISSN - 2365-6549
DOI - 10.1002/slct.201901295
Subject(s) - photocatalysis , x ray photoelectron spectroscopy , materials science , rhodamine b , photodegradation , raman spectroscopy , diffuse reflectance infrared fourier transform , photoluminescence , nanoparticle , nuclear chemistry , catalysis , photochemistry , chemical engineering , nanotechnology , chemistry , optoelectronics , optics , biochemistry , physics , engineering
Pd/PdO‐decorated BiVO 4 nanoparticles were prepared by two‐step router: (i) monoclinic scheelite BiVO 4 nanoparticles were fabricated via the co‐precipitation process in the presence of urea; (ii) Pd/PdO was decorated BiVO 4 surface by the combination of by precipitation method and annealing process. The as‐synthesized catalysts were characterized by X‐ray powder diffraction (XRD) analysis, Raman spectra, X‐ray photoelectron (XPS) spectra, UV‐visible diffuse reflectance (UV‐vis DRS) spectra, and photoluminescence (PL) spectroscopy. The photocatalytic performance of Pd/PdO‐decorated BiVO 4 samples exhibited excellent photodegradation of rhodamine B as well as the OH • radical generation under LED light irradiation as a comparison with the bare BiVO 4 . This excellent outcome is due to the reduced electron/hole recombination of Pd/PdO‐decorated BiVO 4 samples, which was confirmed by PL characterization. Therefore, the fabrication of semiconductors with a combination of noble metal/oxides are good candidates for enhancement of their photocatalytic performance.