| 室温光致发光含钒硅胶的制备和研究 |
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| 引用本文： | 曾颖秋,舒晓红,肖丹.室温光致发光含钒硅胶的制备和研究[J].化学研究与应用,2007,19(6):687-690. |
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| 作者姓名： | 曾颖秋 舒晓红 肖丹 |
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| 作者单位： | 四川大学化工学院,四川,成都,610064;四川大学化工学院,四川,成都,610064;四川大学化工学院,四川,成都,610064 |
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| 摘 要： | 钒掺杂的硅胶显示出有广阔应用前景的催化和光催化特性,引起了人们在其催化机理和应用方面的研究热潮1-6]。硅胶中氧化钒的微观分子结构和电子状态与它的催化特性密切相关,而荧光谱和磷光谱是研究分子结构,电子状态和光反应的重要工具,目前关于发光机制的研究已经取得巨大进展
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| 关 键 词： | V2O5 硅胶 光致发光 纳米晶 室温 |
| 文章编号： | 1004-1656（2007）06-0687-04 |
| 收稿时间： | 2007-02-02 |
| 修稿时间： | 2007-02-022007-05-18 |
Preparation of silica gel containing vanadium oxide and its photoluminescence properties at room temperature |
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| ZENG Ying-qiu,SHU Xiao-hong,XIAO Dan.Preparation of silica gel containing vanadium oxide and its photoluminescence properties at room temperature[J].Chemical Research and Application,2007,19(6):687-690. |
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| Authors: | ZENG Ying-qiu SHU Xiao-hong XIAO Dan |
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| Institution: | Chollege of Chemistry and Engineering,Sichuan University, Chengdu 610065, China |
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| Abstract: | The silica containing vanadium oxide which can emit phosphorescence at room temperature was prepared by sol-gel method with tetraethyl orthosilicate,ammonium metavanadate.V2O5 nanocrystals were found to be embedded in the silica first time.The mechanism of phosphorescence emission is attributed to V2O5 nanocrystals.The redshift of phosphorescence was explained with the size effect of V2O5 nanocrystal.The phosphorescence quenching by aether,hyposulphite and hydrofluoric acid was observed,indicating the potential application of the silica to chemical sensor. |
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| Keywords: | V2O5 silica photoluminescence nanmocrystal room temperature |
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