光合作用是自然界中植物生存的基础，光捕获是光合作用体系的重要组成部分。模拟构筑光捕获体系不仅有助于我们深入了解光合作用，而且在光电材料、太阳能利用等领域有广泛的应用前景。构筑光捕获体系，其最大挑战在于必须要使给体和受体染料分子之间相互靠近，使能量传递能够有效发生，同时要保持一定距离防止发生ACQ（聚集导致发光猝灭）效应。AIE型（聚集诱导发光）超分子凝胶发光材料的发展有望解决以上瓶颈问题，还能避免繁杂的有机合成及分离过程。本项目拟将合成双亲性AIE型能量给体分子，和能量受体分子在特定溶剂中自组装成超分子凝胶。在该凝胶中给体分子有序排列，相互靠近增强能量传递效率；凝胶的三维网状结构可以阻止受体分子过度靠近，避免相邻能量受体分子的相互作用引起的激发态自猝灭失活，从而获得新颖的高效光捕获凝胶体系。发展几个基于超分子凝胶的高效光捕获体系，并系统研究该凝胶体系的光捕获性能、能量传递效率及影响因素。

Photosynthesis is the foundation for plant survival in nature, and light-harvesting is an important part of the photosynthesis system. Simulation and construction of light-harvesting systems not only give us great insights into the photosynthesis, but also offer a broad application prospect in the field of photoelectric materials and solar energy utilization. The biggest challenge in building light-harvesting is closing the distance between the donor and acceptor of dye molecules, so that effective energy transfer can occur. At the same time, keeping an appropriate distance between dye molecules to prevent the ACQ (Aggregation Caused Quenching) effect. With the development of AIE-type (Aggregation Induced Emission) supramolecular self-assembly gel luminescent materials, we have a hope of solving this bottleneck problem above, as well as how to avoiding complex organic synthesis and separation processes. This project mainly involves the synthesis of amphiphilic AIE-type donor molecules. This donor and selected acceptor can self-assemble into supramolecular gels in certain solvents. The donor molecules are quite tight and ordered in the gel, and it can enhances energy transfer efficiency. The three-dimensional network of gel would prevents acceptor molecules from coming any closer, and also it can avoid excited state self-quenching caused by the interaction of neighboring acceptor molecules. In this way, a novel and efficient light-harvesting gel system will be obtained. In this project, severa efficient light-harvesting systems based on supramolecular gels will be developed. Meanwhile, light-harvesting capability, energy transfer efficiency and influencing factors of the gel system will be studied.