Effective Photocatalytic Disinfection of Escherichia coli by One-Dimensional Ag2V4O11 Nanowires under Solar Light Irradiation

Peng Ju; Peng Wang; Dun Zhang

doi:10.4028/www.scientific.net/AMM.401-403.771

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 401-403Effective Photocatalytic Disinfection of...

Effective Photocatalytic Disinfection of Escherichia coli by One-Dimensional Ag₂V₄O₁₁Nanowires under Solar Light Irradiation

Abstract:

In this paper, one-dimensional Ag₂V₄O₁₁nanowires were prepared by a facile method and developed as a novel visible-light-sensitive photocatalyst for the disinfection of Escherichia coli (E. coli) under solar light irradiation. The as-prepared Ag₂V₄O₁₁had uniform wire-like structure with large specific surface area and good visible-light absorption performance. Experimental results indicated that almost all (99.9%) of the initial bacteria were killed after 30 min reaction in the presence of 1 mg/mL Ag₂V₄O₁₁under solar light irradiation. The photocatalytic mechanism was studied by active species trapping experiments, revealing that the hydroxyl radicals (·OH) played key roles in the inactivation of bacteria. This study provides a potential effective Ag₂V₄O₁₁ nanowire photocatalyst for water purification and other applications.

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Periodical:

Applied Mechanics and Materials (Volumes 401-403)

Pages:

771-774

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.401-403.771

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Online since:

September 2013

Authors:

Peng Ju, Peng Wang, Dun Zhang

Keywords:

Ag₂V₄O₁₁, Nanowire, Photocatalytic Disinfection, Solar Light

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