The effect of temperature in flux-assisted synthesis of SnNb2O6

D. Noureldine; K. Takanabe

doi:10.1117/12.2060660

3 October 2014 The effect of temperature in flux-assisted synthesis of SnNb₂O₆

D. Noureldine, K. Takanabe

Proceedings Volume 9176, Solar Hydrogen and Nanotechnology IX; 91760E (2014) https://doi.org/10.1117/12.2060660
Event: SPIE Solar Energy + Technology, 2014, San Diego, California, United States

Abstract

A flux-assisted method was used to synthesize SnNb2O6 as a visible-light-responsive metal oxide photocatalyst. The role of synthesis temperature was investigated in detail using different reaction temperatures (300, 500, 600, 800, 1000 °C). The obtained products were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), Brunauer-Emmett-Teller method (BET). The synthesis with SnCl₂ as a flux led to tin niobate particles in the platelet morphology with smooth surfaces. The synthesized crystal showed 2D anisotropic growth along the (600) plane as the flux ratio increased. The particles synthesized with a high reactant to flux ratio (1:10 or higher) exhibited improved photocatalytic activity for hydrogen evolution from an aqueous methanol solution under visible radiation (λ > 420 nm).

Citation Download Citation

D. Noureldine and K. Takanabe "The effect of temperature in flux-assisted synthesis of SnNb₂O₆", Proc. SPIE 9176, Solar Hydrogen and Nanotechnology IX, 91760E (3 October 2014); https://doi.org/10.1117/12.2060660

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