Photocatalytic Analysis and Characterization of Zn2SnO4 Nanoparticles Synthesized via Hydrothermal Method with Na2CO3 Mineralizer

Yu Shiang Wu; Wen Ku Chang; Min Jou

doi:10.4028/www.scientific.net/AMR.97-101.19

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 97-101Photocatalytic Analysis and Characterization of...

Photocatalytic Analysis and Characterization of Zn₂SnO₄ Nanoparticles Synthesized via Hydrothermal Method with Na₂CO₃ Mineralizer

Abstract:

Zinc stannate Zn2SnO4 (ZTO) nanoparticles were synthesized via a hydrothermal process utilizing sodium carbonate (Na2CO3) as a weak basic mineralizer. The samples were hydrothermally treated at 150, 200, and 250oC for 48 h. The X-ray diffraction (XRD) patterns show that the highly-crystalline ZTO nanostructure could be formed in a well-dispersed manner for the 250°C sample at a particle size of less than 50 nm. As determined from transmission electron microscopy (TEM) results, ZTO nanoparticles are face-centered cubic single crystals agglomerated together. The Raman spectra results showed that the ZTO nanocrystals have a spinel structure. Furthermore, photocatalytic activity was tested with methylene blue (MB) by UV irradiation. The ZTO synthesized by the 2 M Na2CO3 mineralizer at 250oC demonstrated excellent photocatalytic activity. The ZTO treated three different ways had three distinct UV-Visible absorption curves, which directly influences their corresponding photocatalytic activity.

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Advanced Materials Research (Volumes 97-101)

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19-22

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https://doi.org/10.4028/www.scientific.net/AMR.97-101.19

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Online since:

March 2010

Authors:

Yu Shiang Wu, Wen Ku Chang, Min Jou

Keywords:

Hydrothermal Method, Mineralizer, Nanoparticle, Photocatalytic, Zinc Stannate (ZTO)

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