Taylor Dominic, Hu Xuanhe, Wu Can-Min, Tobin John M, Oriou Zuzana, He Jun, Xu Zhengtao, Vilela Filipe
School of Engineering and Physical Sciences, Heriot-Watt University Edinburgh EH14 4AS UK
School of Chemical Engineering and Light Industry, Guangdong University of Technology Guangzhou Guangdong 510006 China
Nanoscale Adv. 2022 Jun 8;4(13):2922-2928. doi: 10.1039/d2na00177b. eCollection 2022 Jun 28.
Porous organic polymers (POPs) have been prepared a novel metal free polycondensation between a tritopic indole-based monomer and squaric, croconic and rhodizonic acids. Each of the three POPs exhibited high BET surface areas (331-667 m g) and zwitterionic structures. Impedance measurements revealed that the intrinsic POPs were relatively weak proton conductors, with a positive correlation between the density of oxo-groups and the proton conduction. Doping the materials with LiCl vastly improved the proton conductivity up to a value of 0.54 S cm at 90 °C and 90% relative humidity.
多孔有机聚合物（POPs）是通过基于三齿吲哚的单体与方酸、克酮酸和玫棕酸之间新型的无金属缩聚反应制备而成。这三种POPs均表现出较高的BET表面积（331 - 667 m²/g）和两性离子结构。阻抗测量结果表明，本征POPs是相对较弱的质子导体，羰基密度与质子传导之间呈正相关。在90℃和90%相对湿度条件下，用LiCl掺杂这些材料可将质子电导率大幅提高至0.54 S/cm。
