Supramolecular template-directed synthesis of stable and high-efficiency photoluminescence 9,10-diphenylanthryl-bridged ladder polysiloxane
作者:Jintao Zhang、Zhize Chen、Wenxin Fu、Ping Xie、Zhibo Li、Shouke Yan、Rongben Zhang
DOI:10.1002/pola.24021
日期:2010.6.1
A soluble well‐defined 9,10‐diphenylanthryl‐bridged ladder polysiloxane (DPAnLP) was prepared via supramolecular assembly‐directed condensation polymerization of silanols. The ladder superstructure (LS) was obtained via a synergistic interaction of H‐bonding and π–π stacking between polymerizable precursor 2‐tert‐butyl‐9,10‐bis(methyldihydroxylsilyl)anthracene in organic solvent. The resultant LS was
通过超分子组装指导的硅烷醇缩合反应制备了可溶的,定义明确的9,10-二苯基蒽桥联的梯形聚硅氧烷(DPAnLP)。通过有机溶剂中可聚合的前体2-叔丁基-9,10-双(甲基二羟基甲硅烷基)蒽之间的H键和π-π堆积的协同相互作用获得梯形超结构(LS)。然后将所得的LS用作模板以指导硅烷醇基团的缩合以获得具有高规则性的DPAnLP。发现DPAnLP可以在溶液和固体膜中都发出稳定且高效的蓝光(430 nm),这表明在封闭环境(梯形结构)中荧光团的组织良好。TGA和DSC测量表明DPAnLP具有良好的热稳定性,循环伏安法检测显示出较低的最高占据分子轨道能级。©2010 Wiley Periodicals,Inc. J Polym Sci A部分:Polym Chem 48:2491-2497,2010年