利用原位聚合法合成的量子点/高分子纳米复合材料，结合了量子点优异的荧光性能、优良的分散性和高分子易于加工的优点，在高性能照明和显示等领域具有重大应用价值。然而，合成过程中催化剂等杂质的残留会降低量子点复合物的光热稳定性，严重限制了其应用范围。最近申请人开发了一种无催化剂的量子点/高分子原位自催化共聚方法，在此基础上合成出了具有高光热稳定性的CdSe/ZnS量子点-PMMA复合物。本项目拟在前期研究基础上，通过结合CdSe/ZnS量子点表面纯化的方法和实时光谱分析的手段，深入研究量子点诱导高分子自催化共聚的机理，确定催化活性位点，优化反应条件，进一步提高量子点复合物的光热稳定性，并拓展反应机理在多种量子点/高分子复合物材料体系中的应用。本项目扩展了量子点诱导催化特性的研究和应用领域，有望大幅度提高量子点/高分子复合物的光热稳定性，推动量子点在高性能照明和显示等光电应用领域的发展。

Quantum dot-polymer nanocomposite synthesized via in-situ polymerization approach which combines advantages of mono-disperse of quantum dot in polymer matrices, ultimate luminescence property of quantum dot and easy manufacturing of polymers, have significant benefits in many optoelectronic device fabrications such as high performance display backlighting. Nevertheless, with impurities such as catalyst in the matrices, as-prepared QDs nanocomposites have been suffering from low thermal chemical stability. Recently we discovered CdSe/ZnS QDs-MMA mixture enabled fast polymerization at the absence of catalyst and successfully applied our discovery into development of ultra-stable QDs-PMMA nanocomposite. In this project, we will further our study in this direction to fully understand reaction mechanism for quantum dot induced polymerization; disclose catalyst active center and other key factors for reaction kinetics. In order to accelerate our research, we aim to develop quantum dots purification methodology and update real time spectrometer characterization means as well as study miscibility of the polymerization approach with modern manufacturing such as micro/nano-process and wafer level packaging. Study on the reaction mechanism will help to extend our fundamental knowledge on quantum dots chemistry and physics, pave the way of quantum dot nanocomposite to the application in modern manufacturing and high performance opto-electronics devices.