Silver nanoparticle loaded TiO2 nanotubes with high photocatalytic and antibacterial activity synthesized by photoreduction method

Pham Van Viet; Bach Thang Phan; Derrick Mott; Shinya Maenosono; Truong Tan Sang; Cao Minh Thi; Le Van Hieu

doi:10.1016/j.jphotochem.2017.10.051

Silver nanoparticle loaded TiO₂ nanotubes with high photocatalytic and antibacterial activity synthesized by photoreduction method

Pham Van Viet, Bach Thang Phan, Derrick Mott, Shinya Maenosono, Truong Tan Sang, Cao Minh Thi, Le Van Hieu

IEHE - Division of Research in Higher Education

Research output: Contribution to journal › Article › peer-review

90 Citations (Scopus)

Abstract

Silver nanoparticles (Ag NPs) were loaded on TiO₂ nanotubes (TNTs) via photoreduction method at room temperature without any additional reducing agent. The morphology and crystal structure were examined by transmission electron microscopy, X–ray diffraction pattern, and Raman spectroscopy. Chemical states of silver, titanium, and oxygen were analyzed by X–ray photoelectron spectroscopy. The results showed that Ag NPs with an average diameter of 5 nm were uniformly distributed on TNTs surface. Ag NPs improved both photocatalytic and the antibacterial activity of TNTs under sunlight irradiation. Ag/TNTs decomposed 81.2% of methylene blue and 75.8% of methylene orange after 150 min under sunlight irradiation. In addition, Ag/TNTs at 20 ppm concentration eliminated 99.99% of Staphylococcus aureus after 60 min under sunlight irradiation. This research demonstrated that Ag/TNTs can be synthesized at industrial scale by the photoreduction method and are effective antibacterial materials.

Original language	English
Pages (from-to)	106-112
Number of pages	7
Journal	Journal of Photochemistry and Photobiology A: Chemistry
Volume	352
DOIs	https://doi.org/10.1016/j.jphotochem.2017.10.051
Publication status	Published - 2018 Feb 1

Keywords

Photocatalyst
Photoreduction
Silver nanoparticles
Sunlight
TiO nanotubes

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10.1016/j.jphotochem.2017.10.051

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title = "Silver nanoparticle loaded TiO2 nanotubes with high photocatalytic and antibacterial activity synthesized by photoreduction method",

abstract = "Silver nanoparticles (Ag NPs) were loaded on TiO2 nanotubes (TNTs) via photoreduction method at room temperature without any additional reducing agent. The morphology and crystal structure were examined by transmission electron microscopy, X–ray diffraction pattern, and Raman spectroscopy. Chemical states of silver, titanium, and oxygen were analyzed by X–ray photoelectron spectroscopy. The results showed that Ag NPs with an average diameter of 5 nm were uniformly distributed on TNTs surface. Ag NPs improved both photocatalytic and the antibacterial activity of TNTs under sunlight irradiation. Ag/TNTs decomposed 81.2% of methylene blue and 75.8% of methylene orange after 150 min under sunlight irradiation. In addition, Ag/TNTs at 20 ppm concentration eliminated 99.99% of Staphylococcus aureus after 60 min under sunlight irradiation. This research demonstrated that Ag/TNTs can be synthesized at industrial scale by the photoreduction method and are effective antibacterial materials.",

keywords = "Photocatalyst, Photoreduction, Silver nanoparticles, Sunlight, TiO nanotubes",

author = "Viet, {Pham Van} and Phan, {Bach Thang} and Derrick Mott and Shinya Maenosono and Sang, {Truong Tan} and Thi, {Cao Minh} and Hieu, {Le Van}",

note = "Publisher Copyright: {\textcopyright} 2017 Elsevier B.V.",

year = "2018",

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day = "1",

doi = "10.1016/j.jphotochem.2017.10.051",

language = "English",

volume = "352",

pages = "106--112",

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TY - JOUR

T1 - Silver nanoparticle loaded TiO2 nanotubes with high photocatalytic and antibacterial activity synthesized by photoreduction method

AU - Viet, Pham Van

AU - Phan, Bach Thang

AU - Mott, Derrick

AU - Maenosono, Shinya

AU - Sang, Truong Tan

AU - Thi, Cao Minh

AU - Hieu, Le Van

PY - 2018/2/1

Y1 - 2018/2/1

N2 - Silver nanoparticles (Ag NPs) were loaded on TiO2 nanotubes (TNTs) via photoreduction method at room temperature without any additional reducing agent. The morphology and crystal structure were examined by transmission electron microscopy, X–ray diffraction pattern, and Raman spectroscopy. Chemical states of silver, titanium, and oxygen were analyzed by X–ray photoelectron spectroscopy. The results showed that Ag NPs with an average diameter of 5 nm were uniformly distributed on TNTs surface. Ag NPs improved both photocatalytic and the antibacterial activity of TNTs under sunlight irradiation. Ag/TNTs decomposed 81.2% of methylene blue and 75.8% of methylene orange after 150 min under sunlight irradiation. In addition, Ag/TNTs at 20 ppm concentration eliminated 99.99% of Staphylococcus aureus after 60 min under sunlight irradiation. This research demonstrated that Ag/TNTs can be synthesized at industrial scale by the photoreduction method and are effective antibacterial materials.

AB - Silver nanoparticles (Ag NPs) were loaded on TiO2 nanotubes (TNTs) via photoreduction method at room temperature without any additional reducing agent. The morphology and crystal structure were examined by transmission electron microscopy, X–ray diffraction pattern, and Raman spectroscopy. Chemical states of silver, titanium, and oxygen were analyzed by X–ray photoelectron spectroscopy. The results showed that Ag NPs with an average diameter of 5 nm were uniformly distributed on TNTs surface. Ag NPs improved both photocatalytic and the antibacterial activity of TNTs under sunlight irradiation. Ag/TNTs decomposed 81.2% of methylene blue and 75.8% of methylene orange after 150 min under sunlight irradiation. In addition, Ag/TNTs at 20 ppm concentration eliminated 99.99% of Staphylococcus aureus after 60 min under sunlight irradiation. This research demonstrated that Ag/TNTs can be synthesized at industrial scale by the photoreduction method and are effective antibacterial materials.

KW - Photocatalyst

KW - Photoreduction

KW - Silver nanoparticles

KW - Sunlight

KW - TiO nanotubes

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DO - 10.1016/j.jphotochem.2017.10.051

M3 - Article

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SN - 1010-6030

VL - 352

SP - 106

EP - 112

JO - Journal of Photochemistry and Photobiology A: Chemistry

JF - Journal of Photochemistry and Photobiology A: Chemistry

ER -

Silver nanoparticle loaded TiO₂ nanotubes with high photocatalytic and antibacterial activity synthesized by photoreduction method

Abstract

Keywords

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