| 层状 K-Fe-Ti金属氧化物制备及光催化性能研究 |
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| 引用本文： | 李群伟,桑丽霞,胥利先,马重芳,孙继红. 层状 K-Fe-Ti金属氧化物制备及光催化性能研究[J]. 无机材料学报, 2006, 21(5): 1263-1267. DOI: 10.3724/SP.J.1077.2006.01263 |
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| 作者姓名： | 李群伟 桑丽霞 胥利先 马重芳 孙继红 |
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| 作者单位： | 1. 北京工业大学传热强化与过程节能教育部重点实验室及传热与能源利用北京市重点实验室,北京,100022
2. 北京工业大学环境与能源工程学院化工化学系,北京,100022 |
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| 基金项目： | 国家重点基础研究发展计划(973计划);宁夏自然科学基金 |
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| 摘 要： | 以KNO3、Fe(NO3)3·9H2O、TiO2为原料,通过固相反应,制备出一种新型的光催化材料K-Fe-Ti层状金属氧化物,通过XRD、SEM以及TEM等分析表征,考察了不同配比,不同反应温度对产物结构和晶型的影响,发现配比为K:Fe:Ti=0．4:0．5:1．3(摩尔比)在1000℃反应温度下合成的催化剂结晶度和纯度都是最高的．并初探了这种新型层状金属氧化物在紫外光照射下的光催化制氢反应性能,产氢速率达到338．4μmol／h,表明具有较高的光催化活性,同时表现出显著的可见光吸收特性,是一种具有潜在应用前景的新型光催化材料．
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| 关 键 词： | 层状金属氧化物 固相反应 光催化 |
| 文章编号： | 1000-324X（2006）05-1263-05 |
| 收稿时间： | 2005-09-19 |
| 修稿时间： | 2005-09-192005-12-26 |
Preparation and Photocatalytic Properties of Layered K-Fe-Ti Metal Oxide |
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| LI Qun-Wei,SANG Li-Xia,XU Li-Xian,MA Chong-Fang,SUN Ji-Hong. Preparation and Photocatalytic Properties of Layered K-Fe-Ti Metal Oxide[J]. Journal of Inorganic Materials, 2006, 21(5): 1263-1267. DOI: 10.3724/SP.J.1077.2006.01263 |
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| Authors: | LI Qun-Wei SANG Li-Xia XU Li-Xian MA Chong-Fang SUN Ji-Hong |
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| Affiliation: | 1.KeyLaboratoryofEnhancedHeatTransferandEnergyConservation,MinistryofEducationandKeyLaboratoryofHeatTransferandEnergyConversion,BeijingEducationCommission,Beijing100022,China;2.DepartmentofChemistryandChemicalEngineering,BeijingUniversityofTechnology,CollegeofEnergyandEnvironmentalEngineering,Beijing100022,China |
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| Abstract: | Layered K-Fe-Ti metal oxide, a new kind of photocatalyst was obtained via a solid-state reaction route with the mixture of KNO3, Fe(NO3)3·9H2O, TiO2. The effects of preparing parameters such as material ratio and reaction temperature etc, on the structure characteristics and crystal morphology were investigated by using XRD, SEM and TEM technology. Meanwhile, under UV light irradiation, the native photocatalyst was found to evolve H2 from pure water. The result indicates that not only the photocatalyst prepared has high photocatalytic activity, but aslo its visible light absorption is notable with comparison of that by using market TiO2. |
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| Keywords: | layered metal oxide solid-state reaction photocatalytic |
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