Synthesis and characterization of Ag doped TiO                         2                          heterojunction films and their photocatalytic performances

Selim Demirci; Tuncay Dikici; Metin Yurddaskal; Serdar Gultekin; Mustafa Toparli; Erdal Celik

doi:10.1016/j.apsusc.2016.08.145

Synthesis and characterization of Ag doped TiO ₂ heterojunction films and their photocatalytic performances

Selim Demirci^*, Tuncay Dikici, Metin Yurddaskal, Serdar Gultekin, Mustafa Toparli, Erdal Celik

^*Corresponding author for this work

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

168 Citations (Scopus)

Abstract

In this study, undoped and silver (Ag) doped titanium dioxide (TiO ₂ ) films were successfully synthesized by sol-gel spin coating technique on the Si substrates. Photocatalytic activities of the TiO ₂ films with different Ag content were investigated for the degradation of methylene blue (MB) under UV light irradiation. The crystal phase structure, surface morphology, chemical and optical properties of Ag-doped TiO ₂ films were characterized using an X-ray diffractometer (XRD), scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), UV–vis spectrophotometer, and FTIR spectrophotometer. The results showed that the Ag-doped TiO ₂ films calcined at 500 °C had the crystalline anatase phases and the surface morphologies with some cracks. Ag substitution into TiO ₂ matrix enhanced the photocatalytic activity of TiO ₂ films under UV light irradiation as compared to the undoped TiO ₂ film. Furthermore, the results indicated that the 0.7% Ag doped TiO ₂ film exhibited a superior photocatalytic activity than that of undoped and other Ag-doped TiO ₂ films. This study demonstrated the potential of an application of Ag doped films to efficiently treat dissolved organic contaminants in water.

Original language	English
Pages (from-to)	591-601
Number of pages	11
Journal	Applied Surface Science
Volume	390
DOIs	https://doi.org/10.1016/j.apsusc.2016.08.145
Publication status	Published - 30 Dec 2016
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2016 Elsevier B.V.

Keywords

Hydrophilicity
Methylene blue (MB)
Photocatalytic activity
Silver
Titanium dioxide

Access to Document

10.1016/j.apsusc.2016.08.145

Cite this

Demirci, S., Dikici, T., Yurddaskal, M., Gultekin, S., Toparli, M., & Celik, E. (2016). Synthesis and characterization of Ag doped TiO ₂ heterojunction films and their photocatalytic performances Applied Surface Science, 390, 591-601. https://doi.org/10.1016/j.apsusc.2016.08.145

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title = " Synthesis and characterization of Ag doped TiO 2 heterojunction films and their photocatalytic performances ",

abstract = " In this study, undoped and silver (Ag) doped titanium dioxide (TiO 2 ) films were successfully synthesized by sol-gel spin coating technique on the Si substrates. Photocatalytic activities of the TiO 2 films with different Ag content were investigated for the degradation of methylene blue (MB) under UV light irradiation. The crystal phase structure, surface morphology, chemical and optical properties of Ag-doped TiO 2 films were characterized using an X-ray diffractometer (XRD), scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), UV–vis spectrophotometer, and FTIR spectrophotometer. The results showed that the Ag-doped TiO 2 films calcined at 500 °C had the crystalline anatase phases and the surface morphologies with some cracks. Ag substitution into TiO 2 matrix enhanced the photocatalytic activity of TiO 2 films under UV light irradiation as compared to the undoped TiO 2 film. Furthermore, the results indicated that the 0.7% Ag doped TiO 2 film exhibited a superior photocatalytic activity than that of undoped and other Ag-doped TiO 2 films. This study demonstrated the potential of an application of Ag doped films to efficiently treat dissolved organic contaminants in water.",

keywords = "Hydrophilicity, Methylene blue (MB), Photocatalytic activity, Silver, Titanium dioxide",

author = "Selim Demirci and Tuncay Dikici and Metin Yurddaskal and Serdar Gultekin and Mustafa Toparli and Erdal Celik",

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year = "2016",

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doi = "10.1016/j.apsusc.2016.08.145",

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Demirci, S, Dikici, T, Yurddaskal, M, Gultekin, S, Toparli, M & Celik, E 2016, ' Synthesis and characterization of Ag doped TiO ₂ heterojunction films and their photocatalytic performances ', Applied Surface Science, vol. 390, pp. 591-601. https://doi.org/10.1016/j.apsusc.2016.08.145

Synthesis and characterization of Ag doped TiO ₂ heterojunction films and their photocatalytic performances . / Demirci, Selim; Dikici, Tuncay; Yurddaskal, Metin et al.
In: Applied Surface Science, Vol. 390, 30.12.2016, p. 591-601.

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

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T1 - Synthesis and characterization of Ag doped TiO 2 heterojunction films and their photocatalytic performances

AU - Demirci, Selim

AU - Dikici, Tuncay

AU - Yurddaskal, Metin

AU - Gultekin, Serdar

AU - Toparli, Mustafa

AU - Celik, Erdal

PY - 2016/12/30

Y1 - 2016/12/30

N2 - In this study, undoped and silver (Ag) doped titanium dioxide (TiO 2 ) films were successfully synthesized by sol-gel spin coating technique on the Si substrates. Photocatalytic activities of the TiO 2 films with different Ag content were investigated for the degradation of methylene blue (MB) under UV light irradiation. The crystal phase structure, surface morphology, chemical and optical properties of Ag-doped TiO 2 films were characterized using an X-ray diffractometer (XRD), scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), UV–vis spectrophotometer, and FTIR spectrophotometer. The results showed that the Ag-doped TiO 2 films calcined at 500 °C had the crystalline anatase phases and the surface morphologies with some cracks. Ag substitution into TiO 2 matrix enhanced the photocatalytic activity of TiO 2 films under UV light irradiation as compared to the undoped TiO 2 film. Furthermore, the results indicated that the 0.7% Ag doped TiO 2 film exhibited a superior photocatalytic activity than that of undoped and other Ag-doped TiO 2 films. This study demonstrated the potential of an application of Ag doped films to efficiently treat dissolved organic contaminants in water.

AB - In this study, undoped and silver (Ag) doped titanium dioxide (TiO 2 ) films were successfully synthesized by sol-gel spin coating technique on the Si substrates. Photocatalytic activities of the TiO 2 films with different Ag content were investigated for the degradation of methylene blue (MB) under UV light irradiation. The crystal phase structure, surface morphology, chemical and optical properties of Ag-doped TiO 2 films were characterized using an X-ray diffractometer (XRD), scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), UV–vis spectrophotometer, and FTIR spectrophotometer. The results showed that the Ag-doped TiO 2 films calcined at 500 °C had the crystalline anatase phases and the surface morphologies with some cracks. Ag substitution into TiO 2 matrix enhanced the photocatalytic activity of TiO 2 films under UV light irradiation as compared to the undoped TiO 2 film. Furthermore, the results indicated that the 0.7% Ag doped TiO 2 film exhibited a superior photocatalytic activity than that of undoped and other Ag-doped TiO 2 films. This study demonstrated the potential of an application of Ag doped films to efficiently treat dissolved organic contaminants in water.

KW - Hydrophilicity

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