| 掺杂纳米TiO2：乙醇溶胶脉冲激光法连续制备及荧光特性 |
| Doped TiO2 Nano-ethanol Colloids：Preparation by Pulsed Laser Ablation and Fluorescence Property |
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| 摘要: 采用聚焦脉冲激光轰击(PLA)浸于流动乙醇中不同金属氧化物掺杂的二氧化钛固体靶，连续制备得到一系列经MoO3、Eu2O3、Fe2O3、WO3等掺杂的新型纳米TiO2乙醇溶胶。UV-Vis、荧光光谱和XRD结果表明：在所研究的掺杂纳米TiO2乙醇溶胶中，MoO3掺杂使纳米TiO2乙醇溶胶荧光增强最大，当MoO3掺杂量(ψ)在0.02%～0.50%时，其掺杂的纳米TiO2乙醇溶胶荧光强度增强，掺杂量为0.05%时荧光强度高达1.3×104(a.u.)；此外发现与sol-gel掺杂法相比，预研磨混合掺杂能更明显增强纳米TiO2乙醇溶胶荧光。 |
| 关键词: 脉冲激光 掺杂 纳米TiO2乙醇溶胶 荧光 |
| 基金项目: |
| Abstract: A pulsed laser ablation(PLA) at the interface of titanium dioxide target doped with different metal oxides and mobile ethanol was used to prepare a series of new-type TiO2 nano-ethanol colloids doped with MoO3、Eu2O3、Fe2O3 and WO3. The results of UV-Vis、fluorescence and XRD show that the doping of MoO3 can greatly improve the fluorescence intensity of TiO2 nano-ethanol colloids and when the dopant content of MoO3(ψ) is 0.02%～0.50%, fluorescence intensity will be increased up to 1.3×104(a.u.) with ψ=0.05%. Furthermore, it is also found that the mill method can more obviously increase the fluorescence intensity of TiO2 nano-ethanol colloids compared with the doping method of sol-gel. |
| Keywords: pulsed laser dope TiO2 nano-ethanol colloids fluorescence |
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| 黄秀秀,章文贡,俞海莉,林凤龙.掺杂纳米TiO2：乙醇溶胶脉冲激光法连续制备及荧光特性[J].无机化学学报,2007,23(11):1929-1934. |
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