Abstract：
Polymerized high internal phase emulsions (polyHIPEs) with circularly polarized luminescence (CPL), as an interesting class of porous materials, are of great significance for the development of CPL porous materials but have not been reported so far. Herein, we report the construction of polyHIPE-based CPL porous materials, taking advantage of an adsorption strategy. The pristine polyHIPEs constructed by chiral helical polymers, which acted as a chiral microenvironment, were fabricated by coordination polymerization of chiral acetylene monomers (R/S-SA) using HIPEs as templates. Achiral fluorescent small molecules were dispersed in the pores of the 3D porous organic chiral polymer matrix provided by polyHIPEs through the adsorption strategy, and CPL-active porous materials with blue, cyan, and green emissions were constructed using a fluorescence-selective absorption mechanism that does not rely on chirality transfer at the molecular level. The maximum luminescence dissymmetry factor (glum) value was -2.6 × 10-2. This work establishes a new and simple way for developing CPL porous materials.
摘要：
聚合高内相乳液（聚HIPEs）与圆偏振发光（CPL），作为一类有趣的多孔材料，对于CPL多孔材料的开发具有重要意义，但迄今为止尚未有报道。在这里，我们报道了基于聚HIPE的CPL多孔材料的构建，利用吸附策略。由手性螺旋聚合物构建的原始聚HIPEs，充当了手性微环境，以HIPEs为模板，通过手性乙炔单体（R/S-SA）的配位聚合制备。通过吸附策略将非手性荧光小分子分散在聚HIPEs提供的3D多孔有机手性聚合物基质的孔中，和CPL活性多孔材料与蓝色，青色,和绿色发射是使用荧光选择性吸收机制构建的，该机制不依赖于分子水平的手性转移。最大发光不对称因子（glum）值为-2.6×10-2。这项工作为开发CPL多孔材料建立了一种新的简单方法。
