γ-CD-Functionalized TiO2 Nanoparticles For the Photocatalytic Degradation of Organic Dyes

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Shokoofehpoor F.; MOUSAVI S.H.; MOHAMMADI A.; ZANJANCHI M.A.

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Paper Information

Journal: PROGRESS IN COLOR, COLORANTS AND COATINGS Year:2020 | Volume:13 | Issue:1 Page(s): 23-39

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Title

γ-CD-Functionalized TiO2 Nanoparticles For the Photocatalytic Degradation of Organic Dyes

Author(s)

Shokoofehpoor F. | MOUSAVI S.H. | MOHAMMADI A. | ZANJANCHI M.A. | Issue Writer Certificate

Keywords

TiO2/γ-CD NPs

Photocatalytic

degradation

Gamma-cyclodextrin

TiO2 NPs

Surface-modification

Abstract

In this work, an efficient photocatalyst based on Gamma-cyclodextrinmodified titanium dioxide nanoparticles (TiO2/γ-CD NPs) was synthesized and used for Photocatalytic degradation of rhodamine B (RhB), methyl orange (MO) and methylene blue (MB). The results of FESEM, EDX, TEM, FTIR, XRD and BET surface area measurement showed that the TiO2 NPs were effectively modified with γ-CD. The Photocatalytic properties of the TiO2/γ-CD NPs were evaluated by the degradation of some organic dyes in aqueous solution under ultraviolet (UV) light illumination. The experimental results confirmed that the TiO2/γ-CD had exhibited efficient Photocatalytic activities higher than that of the pure TiO2 in the degradation of investigated dyes. The γ-CD could increase the lifetime of the excited states of the unreactive guests and facilitate electron transfer from the excited dye to TiO2 conduction band. The results indicated that the first-order kinetic model well describes the degradation of the dyes by TiO2/γ-CD NPs. The Photocatalytic reaction rate constants for RhB, MO and MB dyes in the presence of TiO2/γ-CD NPs were 4, 5. 6 and 4. 2 times higher than that of pure TiO2, respectively. In addition, the TiO2/γ-CD NPs can be used for several times in real application as an effective photocatalyst. Prog. Color Colorants Coat. 13 (2020), 23-39© Institute for Color Science and Technology.

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APA: Copy

Shokoofehpoor, F., MOUSAVI, S.H., MOHAMMADI, A., & ZANJANCHI, M.A.. (2020). γ-CD-Functionalized TiO2 Nanoparticles For the Photocatalytic Degradation of Organic Dyes. PROGRESS IN COLOR, COLORANTS AND COATINGS, 13(1), 23-39. SID. https://sid.ir/paper/734927/en

Vancouver: Copy

Shokoofehpoor F., MOUSAVI S.H., MOHAMMADI A., ZANJANCHI M.A.. γ-CD-Functionalized TiO2 Nanoparticles For the Photocatalytic Degradation of Organic Dyes. PROGRESS IN COLOR, COLORANTS AND COATINGS[Internet]. 2020;13(1):23-39. Available from: https://sid.ir/paper/734927/en

IEEE: Copy

F. Shokoofehpoor, S.H. MOUSAVI, A. MOHAMMADI, and M.A. ZANJANCHI, “γ-CD-Functionalized TiO2 Nanoparticles For the Photocatalytic Degradation of Organic Dyes,” PROGRESS IN COLOR, COLORANTS AND COATINGS, vol. 13, no. 1, pp. 23–39, 2020, [Online]. Available: https://sid.ir/paper/734927/en

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