出版日期：2008-10-01 00:00:00

著者：余宣賦; Yu, Hsuan-fu; 張振崴; Zhang, Zhen-wei; 胡發鈞; Hu, Fa-chun

單位：淡江大學化學工程與材料工程學系

出版者：Elsevier

著錄名稱、卷期、頁數：Journal of Alloys and Compounds 465(1-2), pp.484-490

摘要：TiO2 nanoparticles doped with total 5 mol% of phosphorus and zinc elements were synthesized using a sol–gel method. The alcoholic solution of tetraethylorthotitanite was mixed with an aqueous solution of Zn(NO3)2 and/or H3PO4, followed by refluxing at 90 °C for 4 h. After centrifugally filtration and drying, the dried particles were calcined at various temperatures and were then physically and chemically analyzed. The results indicated that by doping both zinc and phosphorus elements into Ti–O framework, the resultant TiO2 can maintain anatase monophase at temperatures as high as 800 °C. The P/Zn–TiO2 nanoparticles prepared, using [H3PO4]/[Zn(NO3)2] ≥ 2, at 600–800 °C can decompose ≥96 mol% of the MB after 30 min of UV irradiation and ≥80 mol% of the MB after 60 min of white light irradiation, which are much better than those of the P25 particles.

關鍵字：Ceramics; Oxide materials; Sol–gel processes; Catalysis; X-ray diffraction

語言：en

ISSN：0925-8388

期刊性質：國外

收錄於：SCI EI