Control Synthesis of TiO2 Tubular Nanomaterials in a Novel Solvent Thermal System
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摘要: 采用一种新型溶剂热体系结合高温后处理技术,成功制备出了纳米管状TiO2材料。研究了合成过程中TiF4浓度对产物的影响,TiF4浓度分别为0.0198、0.0396、0.0593 mol/L时,管状结构的物质量随TiF4的浓度增加而增多,TiF4浓度0.0593 mol/L时获得样品形貌较优。对其进行热处理后主项转化为TiO2纳米管状材料,样品组装电池后可获得4.31%的转换效率。Abstract: TiO2 tubular nanomaterials were synthesized using a novel solvent thermal system combined with heat treatment.The effect of TiF4 concentration on morphology of the nanomaterials was investigated.The mass of the tubular structure increased with the increase of TiF4 concentration.When the concentration of TiF4 was 0.059 3 mol/L,the morphology of the obtained sample was superior.After the heat treatment,the main item was converted into TiO2 nano-tubular material,and a conversion efficiency of 4.31% can be obtained for the dye-sensitized solar cell constituted by the sample.
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Key words:
- titanium dioxide /
- dye-sensitized cell /
- solvent thermal synthesis /
- battery efficiency
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