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Journal of Sol-Gel Science and Technology
Erschienen in: Journal of Sol-Gel Science and Technology 1/2016

01.07.2016 | Original Paper: Nano-structured materials (particles, fibers, colloids, composites, etc.)

Self-propagating combustion synthesis and synergistic photocatalytic activity of GdFeO3 nanoparticles

verfasst von: Li Li, Xiong Wang

Erschienen in: Journal of Sol-Gel Science and Technology | Ausgabe 1/2016

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Abstract

GdFeO3 (GFO) nanoparticles were synthesized by a glycine-assisted self-propagating combustion process. The as-synthesized GdFeO3 was characterized by X-ray diffraction, transmission electron microscopy, and UV–Vis diffuse reflectance spectra. The visible-light-responsive photocatalytic activity of GdFeO3 nanoparticles was evaluated by the photodegradation of Rhodamine B under visible light. The results indicate that the as-prepared GdFeO3 nanoparticles exhibit remarkable visible-light photocatalytic activity through the synergism of semiconductor-photocatalyzed oxidation and heterogeneous Fenton-like reaction. Compared with the bulk GFO, the photodecomposition rate of RhB was improved about 22 times when the simultaneous presence of the nanoparticles and H2O2 was observed. The mechanism and the main active species involved in photocatalytic oxidative reaction were also investigated through the carriers trapping experiments.

Graphical Abstract

Vorheriger Artikel The preparation and optical properties of Ag and Ag/ZnO composite structure
Nächster Artikel Synthesis and characterization of organotin(IV) semicarbazones: potential precursors for nanosized tin oxide

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Metadaten
Titel
Self-propagating combustion synthesis and synergistic photocatalytic activity of GdFeO3 nanoparticles
verfasst von
Li Li
Xiong Wang
Publikationsdatum
01.07.2016
Verlag
Springer US
Erschienen in
Journal of Sol-Gel Science and Technology / Ausgabe 1/2016
Print ISSN: 0928-0707
Elektronische ISSN: 1573-4846
DOI
https://doi.org/10.1007/s10971-016-4017-0

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