A NOVEL APPROACH FOR SYNTHESIS OF VISIBLE-LIGHT-ACTIVE NANO-CRYSTALLINE 
TIO2 PHOTOCATALYST

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ASHKARRAN A.A.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Journal Paper

Paper Information

Journal: JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL) Year:2011 | Volume:5 | Issue:2 Page(s): 87-93

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Title

A NOVEL APPROACH FOR SYNTHESIS OF VISIBLE-LIGHT-ACTIVE NANO-CRYSTALLINE TIO2 PHOTOCATALYST

Author(s)

ASHKARRAN A.A. | Issue Writer Certificate

Keywords

SILVER DOPED

SANS-SERIF"> TIO2

LIQUID ARC DISCHARGE

SOL-GEL

Abstract

Silver doped TiO2 nanoparticles were prepared by combination of SOL-GEL and arc discharge methods in liquid. The Ag/TiO2 nanoparticles were characterized by X-Ray diffraction (XRD), transmission electron microscopy (TEM) and ultra violet-visible absorption spectroscopy (UV-Vis). The visible light photocatalytic activities were successfully demonstrated for the degradation of Rhodamine B (Rh. B) as a standard organic compound under the irradiation of 90 W halogen light for 2 h. The results revealed that the Ag/TiO2 nanoparticles extended the light absorption spectrum toward the visible region and significantly enhanced the Rh. B photodegradation under visible light irradiation. 0.05 gr Ag/TiO2 nanoparticles exhibited highest photocatalytic efficiency. It has been confirmed that the Ag/TiO2 nanoparticles could be excited by visible light (E<3.2 eV). The significant enhancement in the Ag/TiO2 nanoparticles photocatalytic activity under visible light irradiation can be ascribed to the effect of doped noble metal Ag by acting as electron traps in TiO2 band gap.

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APA: Copy

ASHKARRAN, A.A.. (2011). A NOVEL APPROACH FOR SYNTHESIS OF VISIBLE-LIGHT-ACTIVE NANO-CRYSTALLINE TIO₂ PHOTOCATALYST. JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL), 5(2), 87-93. SID. https://sid.ir/paper/318601/en

Vancouver: Copy

ASHKARRAN A.A.. A NOVEL APPROACH FOR SYNTHESIS OF VISIBLE-LIGHT-ACTIVE NANO-CRYSTALLINE TIO₂ PHOTOCATALYST. JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL)[Internet]. 2011;5(2):87-93. Available from: https://sid.ir/paper/318601/en

IEEE: Copy

A.A. ASHKARRAN, “A NOVEL APPROACH FOR SYNTHESIS OF VISIBLE-LIGHT-ACTIVE NANO-CRYSTALLINE TIO₂ PHOTOCATALYST,” JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL), vol. 5, no. 2, pp. 87–93, 2011, [Online]. Available: https://sid.ir/paper/318601/en

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