Title: Study on photocatalysis property of TiO_2 nanotube arrays in different conditions
Abstract:TiO2 nanotube arrays film are prepared in the surface of pure titanium sheet by anodic oxidation method.The method solves the immobilization of the TiO2 photocatalyst.The morphology and the crystal st...TiO2 nanotube arrays film are prepared in the surface of pure titanium sheet by anodic oxidation method.The method solves the immobilization of the TiO2 photocatalyst.The morphology and the crystal structure of the TiO2 nanotube arrays film are analyzed by field emission electron microscope(FESEM)and XRD.The result indicated that the diameter of nanotubes were 70~80 nm and the wall thicknesses were 5~10nm.TiO2 nanotube heated at 420℃ was entirely anatase while heated at 500℃ was anatase mixed with rutile.In photocatalysis experiment,methyl orange(10mg·L-1)was used as the degraded agent.The effects of the initial pH value of the solution,the crystal structure of the TiO2 nanotube arrays film,the TiO2 nanotube arrays film area and the used times of the TiO2 nanotube arrays film at the degradation rate are investigated.Results show that the TiO2 nanotube arrays film has the best photocatalysis for the methyl orange solution (pH =1),while the photocatalysis of the TiO2 nanotube arrays film decreases with the increase of the used times.Read More
Publication Year: 2010
Publication Date: 2010-01-01
Language: en
Type: article
Access and Citation
AI Researcher Chatbot
Get quick answers to your questions about the article from our AI researcher chatbot