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Journal of Nanoparticle Research
Erschienen in: Journal of Nanoparticle Research 5/2011

01.05.2011 | Research Paper

Surface photovoltage properties and photocatalytic activities of nanocrystalline CoFe2O4 particles with porous superstructure fabricated by a modified chemical coprecipitation method

verfasst von: Zhengru Zhu, Xinyong Li, Qidong Zhao, Yong Shi, Hong Li, Guohua Chen

Erschienen in: Journal of Nanoparticle Research | Ausgabe 5/2011

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Abstract

In this study, nanocrystalline CoFe2O4 particles with porous timber-like superstructure were synthesized by a modified chemical co-precipitation route with calcination temperatures of 573, 673, 773, 873, and 973 K, respectively. The structural properties of the samples were systematically investigated by X-ray powder diffraction, scanning electronic microscopy, energy-dispersive X-ray spectra, UV–Vis diffuse reflectance spectroscopy, and Fourier transform infrared spectroscopy techniques. The photo-induced charge separation in the samples was demonstrated by surface photovoltage (SPV) measurement. The photocatalytic performances of the CoFe2O4 samples were comparatively studied by the degradation of 4-chlorophenol under Xe lamp irradiation. The results indicated that the sample calcined at 673 K exhibited the highest photocatalytic efficiency among the five samples.
Vorheriger Artikel Effect on photophysical properties of colloidal ZnS quantum dots by doping with cobalt, copper, and cobalt–copper mixtures
Nächster Artikel Optimizing the yield and selectivity of high purity nanoparticle clusters

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Metadaten
Titel
Surface photovoltage properties and photocatalytic activities of nanocrystalline CoFe2O4 particles with porous superstructure fabricated by a modified chemical coprecipitation method
verfasst von
Zhengru Zhu
Xinyong Li
Qidong Zhao
Yong Shi
Hong Li
Guohua Chen
Publikationsdatum
01.05.2011
Verlag
Springer Netherlands
Erschienen in
Journal of Nanoparticle Research / Ausgabe 5/2011
Print ISSN: 1388-0764
Elektronische ISSN: 1572-896X
DOI
https://doi.org/10.1007/s11051-010-9973-7

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