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碳量子点BiOCl复合材料的光催化性能研究

时间:2019-09-25 12:43来源:毕业论文
以设计制备出结构形貌可控的高活性碳量子点/ BiOCl复合光催化材料作为研究对象,通过BiOCl与碳点复合,提高其光催化效率,一定程度上提升BiOCl的光催化能力

摘要近年来世界面临着难以逃避的环境恶化污染问题,如今环境污染愈加严重,光催化技术在环境清洁中逐渐引起社会各大行业的重视,为了加深加强研究以及实现其在各个行业实际中的应用,我将我们的目光瞄准于寻找实用性强的光催化材料,并提高其光催化的效率。本篇论文以设计制备出结构形貌可控的高活性碳量子点/ BiOCl复合光催化材料作为研究对象,通过BiOCl与碳点复合,提高其光催化效率,一定程度上提升BiOCl的光催化能力。此外,进一步研究了这种复合光催化材料体系的性能提升机制,为更有效的改进和提高光催化性能增加了新的研究思路,进一步研究提高碳量子点/BiOCl复合光催化材料的光催化活性。39473
具有光催化活性的半导体的光催化技术在降解有机污染物方面的研究越来越复杂,越来越先进。许多难降解的有机污染物用该方法处理后污染程度大幅度降低,并不产生二次污染。故其在处理有机成分复杂的难于降解的染料废水方面有着不可估量的现实意义。用光催化氧化技术来处理各种难降解的有机染料废水已成为人们研究的重点问题。光催化技术是氧化技术的优化,该项技术最突出的优点就是能克服传统的氧化技术耗能,操作非常复杂并且氧化很不彻底的缺点,最终将有机污染物降解为污染程度非常小甚至无污染的小分子物质。
毕业论文关键词】光催化;复合材料;碳量子点;BiOCl
 Abstract
In recent years, the world is faced with difficult to avoid the deterioration of the environment pollution problem, now environmental pollution is increasingly serious, photocatalytic technology in cleaning up the environment gradually attracted the attention of social sectors, in order to deepen and intensify research and its application in various industries, I will our sights to find a practical strong photocatalytic materials and improve the photocatalytic efficiency. This thesis to design of prepared controllable structure and morphology of high activity carbon quantum dots / BiOCl composite photocatalytic materials as the research object, BiOCl and carbon through a compliant, and its photocatalytic efficiency is improved,extent enhance BiOCl photocatalytic ability. In addition, the further research the improvement mechanism for the performance of the composite photocatalytic material system, provides research ideas for the better the improvement and Ti Shengguang catalytic performance and further research to improve the high activity carbon quantum dots / BiOCl Composite Photocatalytic Material photocatalytic activity.
源`自<六:维;论-文>网/www.lwfree.cn

Photocatalytic degradation of organic pollutants with photocatalytic activity has become more and more complicated and advanced. Many of the organic pollutants which are difficult to degrade are treated with the method and the pollution degree is reduced, and the two pollution is not produced. Therefore, it has a great practical significance in the treatment of organic compounds with complex and difficult to degrade the dye wastewater. It has become a key problem to treat all kinds of refractory organic dye wastewater by photocatalytic oxidation technology. Photocatalytic process is oxidation technology of optimization, the technology is the most prominent advantages is to overcome the traditional energy consumption of oxidation technology, operation is very complex and the oxidation is not completely shortcomings will eventually degrade organic pollutants pollution level is very small and even no pollution of small molecular substances.
KeyWords:
Photocatalysis; composite; carbon quantum dots; BiOCl  
    目录   
1 文献综述    1
1.1 研究背景    1
1.2 半导体光催化的基本原理    3
1.3 光催化剂种类    5 碳量子点BiOCl复合材料的光催化性能研究:http://www.lwfree.cn/cailiao/20190925/39780.html
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