光是地球上最重要的能量来源之一，借鉴生物体收集、传递和利用光能的过程和机制，通过超分子组装、高分子聚合等方法构筑同时具有集光微结构和光化学活性的反应体系成为当前提高光反应效率的重要手段之一。本项目将胶体与界面化学、光化学以及微流控技术相结合，以微流体和界面化学方法为制备技术，以集光空心多孔微囊为载体，以高性能三重态光敏分子为活性位点，设计具有高光子收集效率、高物质扩散能力和高光催化活性的反应体系。本课题从微囊的物理结构和光敏分子的化学性能两个方面提高光能利用率。掌握光子在不同尺度的调控和利用规律，可以更好地为多相光化学反应建立清晰明确的物理化学模型，为制备相关的光活性体系提供理论依据。该课题的设立与进行，一方面有助于建立高效光活性微囊反应器的普适制备方法，另一方面进一步探索限域空间对三重态光敏分子光活性影响的机制，可以为制备其他先进光化学组装体提供有益借鉴。

Light is one of the most important sources of energy on the earth. Construction of reaction systems which integrated light harvesting microstructure and photochemical activity is of great importance. For the purpose, learning from the processes and mechanisms of harvesting, transmitting and utilizing light in organisms through supramolecular assembly and polymerization becomes one of the most important means to improve the efficiency of photoreactions. In this project, we combine colloid and interfacial chemistry, photochemistry and microfluidics technology. We design photosensitive reaction systems with high efficiency light harvesting ability, diffusibility and photocatalytic activity to do the research work by using the following methods. Firstly, we are using microfluidics and interfacial chemistry as preparation techniques. Secondly, we construct light-harvesting microcapsules which are hollow and porous as material carriers. Thirdly, we are using photosensitizers with high efficiency triplet yield as active sites. To improve the utilization efficiency of light, one needs understanding of both the physical structure of microcapsules and binding propertives of the different photosensitizers.Therefore, mastering the regulation and utilization of photons at multi-scales can better construct clear physical and chemical models for the heterogeneous photocatalysis, and also provide theoretical bases for the fabrication of related photosensitive systems. The realisation of this project will help to establish simple methods for building of high-efficiency photosensitive microcapsule reactors. Moreover, deeper knowledge of the mechanisms of finite space/sensitizers interaction is crucial for further fabrication of advanced supramolecular photochemical systems.