| 基于上转换发光的可见/近红外光催化研究现状及展望 |
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| 引用本文： | 刘恩周,樊君,胡晓云,侯文倩.基于上转换发光的可见/近红外光催化研究现状及展望[J].化工进展,2011,30(12). |
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| 作者姓名： | 刘恩周 樊君 胡晓云 侯文倩 |
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| 作者单位： | 1. 西北大学化工学院,陕西西安,710069
2. 西北大学物理学系,陕西西安,710069 |
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| 基金项目： | 国家自然科学基金(20876125); 高等学校博士学科点专项科研基金(20096101110013); 西北大学研究生交叉学科创新基金(09YJC24)项目 |
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| 摘 要： | 上转换发光材料可将低能光子转换为高能光子,对于太阳能的转化利用具有潜在的应用前景。本文以TiO2为例,介绍了上转换发光在可见/近红外光催化领域的研究背景,说明了光能吸收、光能转换、光能转移、表面反应的光能利用机制,总结了上转换发光的研究进展。同时重点分析了稀土上转换发光在可见/近红外光催化领域的研究现状,阐述了上转换发光与其它改性方法协同提高TiO2光催化效率的基本原理。最后提出了基于复合上转换发光的光催化研究思路,展望了上转换发光在光催化中的应用前景。
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| 关 键 词： | 上转换发光 光催化反应 太阳能 二氧化钛 |
Progress of visible-light and near-infrared-driven photocatalysis based on upconversion luminescence |
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| LIU Enzhou,FAN Jun,HU Xiaoyun,HOU Wenqian.Progress of visible-light and near-infrared-driven photocatalysis based on upconversion luminescence[J].Chemical Industry and Engineering Progress,2011,30(12). |
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| Authors: | LIU Enzhou FAN Jun HU Xiaoyun HOU Wenqian |
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| Affiliation: | LIU Enzhou1,FAN Jun1,HU Xiaoyun2,HOU Wenqian1(1School of Chemical Engineering,Northwest University,Xi'an 710069,Shaanxi,China,2Department of Physics,China) |
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| Abstract: | Up-converting phosphors(UCPs)can effectively convert longer wavelength radiation into shorter wavelength fluorescence and exhibit application potential in improving the light energy utilization,especially the sunlight with a longer wavelength.In this paper,the research background of the photocatalysis based on UCPs is introduced with TiO2 as an example,the advances of research on UCPs are summarized,and the mechanism of light energy utilization is presented,including light absorption,light conversion,light ... |
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| Keywords: | upconversion luminescence photocatalytic reaction solar energy titanium dioxide |
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