精品文档---下载后可任意编辑低温软化学方法合成纳米二氧化钛及其可见光光催化性能讨论的开题报告【摘要】本讨论旨在探究低温软化学方法合成纳米二氧化钛及其可见光光催化性能的相关机理和性能。首先，介绍了纳米二氧化钛在环境污染治理、光催化等领域的重要应用及其讨论现状。针对目前文献中报道的纳米二氧化钛制备方法的一些缺点，如高温制备过程中易出现粒子团聚等问题，本讨论采纳低温软化学方法制备纳米二氧化钛。其次，详细介绍了低温软化学合成方法的原理、优点及其在制备纳米二氧化钛中的应用。通过相关实验分析，探究了合成条件对纳米二氧化钛晶体结构、粒径分布及比表面积的影响。最后，采纳可见光光催化降解染料废水实验验证了低温软化学方法合成纳米二氧化钛的可见光光催化性能。实验结果表明，所合成的纳米二氧化钛具有良好的可见光催化性能，对染料废水有很好的降解效果。【关键词】低温软化学方法；纳米二氧化钛；可见光催化；降解效果。【Abstract】The purpose of this study is to explore the relevant mechanism and performance of low-temperature soft chemical method for synthesizing nanoscale titanium dioxide and its visible light photocatalytic performance.Firstly, the important applications of nanoscale titanium dioxide in environmental pollution control, photocatalysis and other fields and their research status are introduced. In view of some shortcomings of the currently reported methods for preparing nanoscale titanium dioxide, such as particle agglomeration, this study uses a low-temperature soft chemical method to synthesize nanoscale titanium dioxide.Secondly, the principle, advantages and application of the low-temperature soft chemical synthesis method in the preparation of nanoscale titanium dioxide are introduced in detail. The effect of synthesis conditions on the crystal structure, particle size distribution and specific surface area of 精品文档---下载后可任意编辑nanoscale titanium dioxide was explored through relevant experimental analysis.Finally, the visible light photocatalytic degradation of dye wastewater experiment was used to verify the visible light photocatalytic performance of nanoscale titanium dioxide synthesized by the low-temperature soft chemical method. The experimental results show that the synthesized nanoscale titanium dioxide has a good visible light photocatalytic performance and can effectively degrade dye wastewater.【Keywords】Low-temperature soft chemical method; Nanoscale titanium dioxide; Visible light photocatalysis; Degradation effect.
