如何拓展光催化剂的可见光吸收能力，提高其载流子分离效率，增加其对底物选择性吸附，是光催化领域亟待解决的关键问题。针对光催化过程中存在的难题，我们将修饰方便、结合位点多、稳定性好、造孔容易的杯芳烃染料和性质优异的二氧化钛，通过简单的溶胶-凝胶法制备性能互补的有机-无机杂化材料，有望克服目前光催化剂的三大缺陷，从而为获得一类新型功能材料奠定基础。.本项目拟设计、合成系列杯芳烃染料，将其作为杂化材料的有机组分，二氧化钛作为无机组分，利用Ti-O键将两者有效结合，获得新型光催化材料，并探索材料的相态、形貌、能带、氧空位、亲/疏水性、比表面积、及孔径分布等因素对光催化制氢或光还原二氧化碳性能的影响，建立起制备有机-无机杂化材料的可控合成方法，探索获得高效、稳定、多功能杂化材料的设计思路，筛选出禁带窄、光催化活性优、对底物选择性好、稳定性高的光催化剂，为其在光催化技术中的大规模应用提供支撑。

The three key issues in photocatalysis are to enhance the utilization of the visible region, increase the separation rate of photogenerated charge carriers, and improve the selective absorption for substrates. To dissolve the above problems, some new organic-inorganic hybrid materials are prepared by a simple sol-gel method with calixarene-based dyes, which have facile structrural modification, versatile binding sites, intrinsic stability, and pore-forming structure, and titanium dioxide which has excellent property. Due to the character of combing excellent properties of organic and inorganic components, the materials are expected to overcome the three setbacks. Our study can lay the foundation for the development of a novel type of functional materials..In this project, a series of new calixarene based dyes are designed and synthesized, and then the organic-inorganic hybrid materials are developed by combining calixarene-based dye as organic component with titanium dioxide as inorganic component by Ti-O bond. The effect of many factors, such as phase, morphology, energy band, oxygen vacancy, hydrophilicity or hydrophobicity, surface area, and pore size distribution, on the photocatalytic hydrogen production and photoreduction of carbon dioxide is investigated. The method to prepare organic-inorganic hybrid materials is constructed, the path to obtain efficient, stable and multifunctional hybrid materials is explored, and the photocatalysts to have small band gap, high photocatalytic activity, good selective absorption for substrates, and excellent stability are chosen, which provides support for its large-scale application in photocatalytic technology.