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Journal of Sol-Gel Science and Technology
Erschienen in: Journal of Sol-Gel Science and Technology 2/2019

10.11.2018 | Brief Communication: Nano-structured materials (particles, fibers, colloids, composites, etc.)

Shape-dependent photocatalytic performance of SnFe2O4 nanocrystals synthesized by hydrothermal method

verfasst von: Enlei Zhang, Lijie Wang, Bengui Zhang, Yingpeng Xie, Guosheng Wang

Erschienen in: Journal of Sol-Gel Science and Technology | Ausgabe 2/2019

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Abstract

SnFe2O4 nanocrystals (nanocubes and nanodisks) were synthesized without using any surfactant by hydrothermal method. The morphologies of SnFe2O4 nanocrystals were depended mainly on the concentration of NaOH solution in hydrothermal condition. Transient photoelectron chemical analysis showed that the photoelectric performance of SnFe2O4 nanocubes (1.3 μA/cm2) was better than that of SnFe2O4 nanodisks (0.8 μA/cm2). The photocatalytic activity of SnFe2O4 nanocrystals was measured by degradation of Congo red solution under visible light irradiation. As a result, SnFe2O4 nanocubes showed a superior photocatalytic degradation of Congo red with the degradation rate of 92% in 120 min. The SnFe2O4 nanocubes can be recovered easily be a magnet and reused for 5 times with remained degradation efficiency about 85%. A possible photocatalytic mechanism has also been proposed. The SnFe2O4 nanocubes have good potential in water treatment applications.
Nächster Artikel Third-order nonlinearity and optical limiting properties of sol–gel-based bromophenol blue dye immobilized in silica–titania nanohybrid

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Metadaten
Titel
Shape-dependent photocatalytic performance of SnFe2O4 nanocrystals synthesized by hydrothermal method
verfasst von
Enlei Zhang
Lijie Wang
Bengui Zhang
Yingpeng Xie
Guosheng Wang
Publikationsdatum
10.11.2018
Verlag
Springer US
Erschienen in
Journal of Sol-Gel Science and Technology / Ausgabe 2/2019
Print ISSN: 0928-0707
Elektronische ISSN: 1573-4846
DOI
https://doi.org/10.1007/s10971-018-4868-7

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