| 溶胶-凝胶法制备二氧化钛及其上转换发光研究 |
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| 引用本文： | 俞泽民,夏霏霏,范叶霞,侯俊.溶胶-凝胶法制备二氧化钛及其上转换发光研究[J].哈尔滨商业大学学报(自然科学版),2011,27(5):741-744. |
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| 作者姓名： | 俞泽民 夏霏霏 范叶霞 侯俊 |
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| 作者单位： | 哈尔滨理工大学材料科学与工程学院,哈尔滨,150040 |
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| 摘 要： | 实验以钛酸丁酯为前躯体,乙醇为溶剂,冰乙酸为催化剂,以溶胶-凝胶法制备了TiO2纳米粉体.通过对样品进行XRD分析,能谱分析及扫描电镜分析得到样品是金红石型结构的粉体,样品中含有所掺杂的元素Ho和Yb,样品颗粒非常细小,并有明显的团聚现象,颗粒呈球形.在常温下选用中心波长为980 nm、最大输出功率500 mV二极管激...
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| 关 键 词： | 二氧化钛 溶胶凝胶法 纳米颗粒 上转换发光 |
Effect of Yb~(3+) concentration in up-converting of Ho~(3+)/Yb~(3+) co-doped TiO_2 |
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| YU Ze-min,XIA Fei-fei,FAN Ye-xia,HOU Jun.Effect of Yb~(3+) concentration in up-converting of Ho~(3+)/Yb~(3+) co-doped TiO_2[J].Journal of Harbin University of Commerce :Natural Sciences Edition,2011,27(5):741-744. |
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| Authors: | YU Ze-min XIA Fei-fei FAN Ye-xia HOU Jun |
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| Institution: | YU Ze-min,XIA Fei-fei,FAN Ye-xia,HOU Jun(School of Material Science and Engineering,Harbin University of Science and Technology,Harbin 150040,China) |
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| Abstract: | The TiO2 sol was prepared through sol-gel method,Ti(OC4H9)4 was chosen as a precursor,and ethanol as impregnant.Acid as catalyzer.These upconversion luminescence nano-powders were characterized by XRD,SEM and emission spectroscopy.Through studying the roasted processes of samples were determined.Through XRD analysis,the crystal from and grain sizes of samples were also confirmed.Furthermore,the grain sizes of these nano-powders were proofed by TEM.At room temperature for 980 nm wavelength selection center,m... |
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| Keywords: | TiO2 sol-gel method nanometer particle upconversion luminescence |
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