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Paper
Title

Preparation of nanocomposite thin film based on Andersontype polyoxometalates-embedded gold nanoparticles as a green and recyclable nanocatalyst for photocatalyticremoval of azo dyes from wastewaters

Year: 1399
COI: ICCNRT03_009
Language: EnglishView: 209
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Authors

Neda Rouhani - Department of Chemistry, Arak Branch, Islamic Azad University, Arak, Iran

Abstract:

The present research is focused on the preparation of a novel nanocomposite thin film (NCTF) including of Au nanoparticles (Au NPs) and Anderson-type polyoxometalate (POM),Na3[CrMo6O24H6], using a combination of sol-gel and photoreduction techniques in order to remove azo dyes from wastewaters. The presented thin film was characterized by UV/Vis spectroscopy, particle size distribution, and field emission-scanning electron microscopy (FE-SEM). To preparation of Au NPs, Anderson-type POM was utilized in the form of NCTF as a green reducing and stabilizing agent. Au NPs with particle size in the range of 10–20 nm were synthesized by applying a dip-coating technique. The photocatalytic activity of this NCTF was examined in the decolorization of methyl orange (MeO) as carcinogenic pollutant dyes applying UV irradiation. The pseudo-first-order rate constants were evaluated and computed for these reactions. A comparison between the presented NCTF with the prepared composite by Anderson-type POM revealed that thestructure of POM can affect the embedding amount of Au NPs.

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This Paper COI Code is ICCNRT03_009. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/1044084/

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Rouhani, Neda,1399,Preparation of nanocomposite thin film based on Andersontype polyoxometalates-embedded gold nanoparticles as a green and recyclable nanocatalyst for photocatalyticremoval of azo dyes from wastewaters,3nd national Congress of Chemistry and Nanochemistry from Research to Technology,Tehran,https://civilica.com/doc/1044084

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Type of center: Azad University
Paper count: 7,034
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