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Laser-Induced Silver Nanoparticles on Titanium Oxide for Photocatalytic Degradation of Methylene Blue

Thou‐Jen WhangDepartment of Chemistry, National Cheng Kung University, No. 1, University Road, Tainan 70101, TaiwanHsien-Yu HuangDepartment of Chemistry, National Cheng Kung University, No. 1, University Road, Tainan 70101, TaiwanMu-Tao HsiehDepartment of Chemistry, National Cheng Kung University, No. 1, University Road, Tainan 70101, TaiwanJyun-Jen ChenDepartment of Chemistry, National Cheng Kung University, No. 1, University Road, Tainan 70101, Taiwan

2009en

ABI

Annotatsiya

Silver nanoparticles doped on titanium oxide (TiO(2)) were produced by laser-liquid interaction of silver nitrate (AgNO(3)) in isopropanol. Characteristics of Ag/TiO(2) (Ag doped TiO(2)) nanoparticles produced by the methods presented in this article were investigated by XRD, TEM, SEM, EDX, and UV-Vis. From the UV-Vis measurements, the absorption of visible light of the Ag/TiO(2) photocatalysts was improved (additional absorption at longer wavelength in visible light region) obviously. The photocatalytic efficiency of Ag/TiO(2) was tested by the degradation of methylene blue (MB) in aqueous solution. A maximum of 82.3% MB degradation is achieved by 2.0 wt% Ag/TiO(2) photocatalyst under 2 h illumination with a halogen lamp.

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DOI: 10.3390/ijms10114707

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