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Silver nanoparticles synthesized by UV-irradiation method using chloramine T as modifier: structure, formation mechanism and catalytic activity

Abstract

Ultrasmall Ag NPs with different optical properties were synthesized by UV-irradiation method using chloramine T as organic modifier. Two different formation mechanisms were identified for low and high concentration of chloramine T, respectivelly. It was confirmed, that the usage of low concentration of chloramine T allows to synthesize very reactive Ag NPs, whereas usage of high concentration of chloramine T results in formation of crystalline AgCl. The performed catalytic investigation confirms, that the proposed method can be used to synthesize nanoparticles with high catalytic activity in reduction of methylene blue. It was noted, that the rate constant over the total weight of the catalyst was equal to 8.34 g-1s-1, which is incredible high in comparison with literature data. This high catalytic activity was related to the defected surface of Ag NPs.

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Publication details

The article was received on 16 Aug 2018, accepted on 09 Oct 2018 and first published on 09 Oct 2018


Article type: Paper
DOI: 10.1039/C8CE01379A
Citation: CrystEngComm, 2018, Accepted Manuscript
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    Silver nanoparticles synthesized by UV-irradiation method using chloramine T as modifier: structure, formation mechanism and catalytic activity

    A. Radoń and D. Łukowiec, CrystEngComm, 2018, Accepted Manuscript , DOI: 10.1039/C8CE01379A

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