Photodegradation of Rhodamine 6G by Amorphous TiO2 Films Grown on Polymethylmethacrylate by Magnetron Sputtering

被引：0

作者：

Julius Andrew P. Nuñez

Hernando S. Salapare

Michelle Marie S. Villamayor

Luis De Los Santos Valladares

Henry J. Ramos

机构：

[1] University of the Philippines Manila,Department of Physical Sciences and Mathematics, College of Arts and Sciences

[2] University of the Philippines Diliman,College of Science

[3] University of the Philippines Open University,Faculty of Education

[4] Los Baños,College of Science

[5] Pamantasan ng Lungsod ng Maynila,Plasma and Coatings Division, Department of Physics, Chemistry and Biology

[6] Intramuros,Cavendish Laboratory, Department of Physics

[7] Linköping University,Laboratorio de Ceramicos y Nanomateriales, Facultad de Ciencias Fisicas

[8] University of Cambridge,undefined

[9] Universidad Nacional Mayor de San Marcos,undefined

[10] Ap. Postal,undefined

来源：

Protection of Metals and Physical Chemistry of Surfaces | 2017年 / 53卷

关键词：

photocatalysis; magnetron sputtering; polymethylmethacrylate; titanium dioxide; plasma deposition; Rhodamine 6G;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Titanium dioxide (TiO2) was deposited on polymethylmethacrylate (PMMA) substrates by magnetron sputtering using a Compact Planar Magnetron sputtering device at different flow rate ratios of O2/Ar. The deposited TiO2 on PMMA substrates were characterized using X-ray Diffraction analysis, X-ray Photoelectron Spectroscopy, Fourier Transform Infrared Spectroscopy, UV-Visible Spectroscopy, and Scanning Electron Microscopy (SEM). These techniques confirm the deposition of a chemically stable amorphous TiO2 layer on the PMMA surface. Photocatalytic activity of the amorphous TiO2 layers were tested via photodegradation of Rhodamine 6G (Rh6G) dye solution. The samples were able to degrade 18–27% of the Rh6G solution after the initial 25 minutes of UV irradiation and complete degradation of Rh6G was observed after 7 hours of UV irradiation.

引用

页码：1022 / 1027

页数：5

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