| 水热法制备纳米Mn(Ⅱ)/TiO_2粉体及其日光催化活性的研究 |
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| 引用本文： | 马琦,张保柱,张志强,任建国,张智敏.水热法制备纳米Mn(Ⅱ)/TiO_2粉体及其日光催化活性的研究[J].石油化工,2005,34(4):384-387. |
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| 作者姓名： | 马琦 张保柱 张志强 任建国 张智敏 |
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| 作者单位： | 山西大学,化学化工学院,山西,太原,030006 |
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| 基金项目： | 山西省自然科学基金资助项目(20041016). |
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| 摘 要： | 采用水热法,在温和的条件下制备了具有较高光催化活性的Mn(Ⅱ)/TiO2光催化剂,采用X射线粉末衍射、扫描电镜、紫外可见漫反射手段对其进行了表征。在太阳光照射下,以罗丹明B溶液的降解为模型反应,研究了光催化剂的催化活性。研究结果表明,TiO2晶型为单一的锐钛矿相,光响应波长由纯TiO2的380nm拓宽到400nm以上,达到可见光区范围,新型改性的Mn(Ⅱ)/TiO光催化剂的日光催化活性比较高。
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| 关 键 词： | 水热法 二氧化钛 光催化 可见光 |
| 文章编号： | 1000-8144(2005)04-0384-04 |
| 修稿时间： | 2004年10月8日 |
Nano Mn( Ⅱ )/TiO2 Powder Prepared by Hydrothermal Method and Its Photocatalytic Activity Under Sunlight |
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| Ma Qi,Zhang Baozhu,Zhang Zhiqiang,Ren Jianguo,Zhang Zhimin.Nano Mn( Ⅱ )/TiO2 Powder Prepared by Hydrothermal Method and Its Photocatalytic Activity Under Sunlight[J].Petrochemical Technology,2005,34(4):384-387. |
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| Authors: | Ma Qi Zhang Baozhu Zhang Zhiqiang Ren Jianguo Zhang Zhimin |
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| Abstract: | A new type of nano Mn(Ⅱ)/TiO_2 photocatalyst with high photocatalytic activity was prepared by hydrothermal method under mild condition and characterized by means of XRD,SEM and UV-Vis.Its photocatalytic activity was evaluated by degradation of Rhodamine B solution under sunlight. TiO_2 crystal was in anatase phase.Light response region of Mn(Ⅱ)/TiO_2 sample was shifted from 380 nm of pure TiO_2 to over 400 nm in visible light region.Mn(Ⅱ) /TiO_2 was higher in photocatalytic activity than pure TiO_2. |
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| Keywords: | hydrothermal method titania photocatalysis visible light |
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