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技術學刊 EIScopus

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篇名 煅燒溫度對陽極氧化製備多孔性二氧化鈦電極之影響
卷期 28:4
並列篇名 EFFECTS OF HEAT TEMPERATURE ON THE CHARACTERIZATION OF TIO2 ELECTRODE BY AN ANODIC OXIDATION
作者 張漢昌高肇郎郭貹隆游宛菁賴世裕
頁次 211-216
關鍵字 二氧化鈦陽極氧化光電催化titanium dioxideanodizationphotoelectrocatalyticEIScopusTSCI
出刊日期 201312

中文摘要

本研究利用陽極氧化法製備多孔性ニ氧化鈦電極,以0.1 M和0.01 M氟化銨爲電解液經陽極氧化後於不同溫度锻燒(300°C、350°C、400°C、450°C、500°C、550°C、600°C)。實驗結果顯示,以0.1 M氟化銨溶液進行陽極氧化(操作電壓20 V)後再經400°C煅燒之ニ氧化鈦電極擁有最高的降解效率(79.16%),由掃描式電子顯微鏡可以得知其擁有較完整之ニ氧化鈦奈米管陣列結構。而由XRD以及拉曼圖譜可得知當煅燒溫度爲350°C-500°C時,其銳鈦礦相衍射峰逐漸產生。另由光電流密度和光電催化降解結果顯示,經陽極氧化後進行锻燒之ニ氧化鈦電極擁有較高光電流密度使光電催化性能増加。

英文摘要

In this study, a porous titanium dioxide electrode was prepared using an anodic oxidation in 0.1 M and 0.01 M NH4F electrolyte and calcined at different temperatures (300°C, 350°C, 400°C, 450°C, 500°C, 550°C and 600°C). The results indicated that the TiO2 electrode was made with the 0.1 M NH4F by anodization (20 V) and calcination at 400°C, which had the highest photoelectrocatalytic degradation efficiency of 79.16% and more complete structure of titania nanotubes observed by scanning electron microscopy. The XRD and Raman analysis results show that the intensity of anatase diffraction appears gradually when calcined temperature increased from 350°C to 500°C. In addition, the photoelectrocatalytic degradation efficiency of TiO2 electrode increases with anodization followed by calcination due to a higher photocurrent density.

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