本文以均苯三甲醛、双乙酰作为反应物,吡咯烷作为催化剂,通过羟醛缩合反应在甲醇溶剂中得到邻二酮共轭多孔聚合物。该材料孔径分布范围为2~38 nm,说明其具有介孔结构。由于邻二酮共轭多孔聚合物良好的CV曲线,进一步进行超级电容器与电...本文以均苯三甲醛、双乙酰作为反应物,吡咯烷作为催化剂,通过羟醛缩合反应在甲醇溶剂中得到邻二酮共轭多孔聚合物。该材料孔径分布范围为2~38 nm,说明其具有介孔结构。由于邻二酮共轭多孔聚合物良好的CV曲线,进一步进行超级电容器与电池性能测试,发现其在酸性条件下超级电容器的比电容可到达20 m F·cm-2。展开更多
A shape-persistent dendritic molecule,tris(4-(2,7-dibromo-9-phenyl-9-fluoren-9-yl)phenyl)amine (TF-6Br),has been readily synthesized in high yield through a concise Friedel-Crafts reaction from triphenylamine and 2,7-...A shape-persistent dendritic molecule,tris(4-(2,7-dibromo-9-phenyl-9-fluoren-9-yl)phenyl)amine (TF-6Br),has been readily synthesized in high yield through a concise Friedel-Crafts reaction from triphenylamine and 2,7-dibromo(9-phenyl-fluoren-9-ol).It was further employed as the key building block to achieve the synthesis of conjugated porous polymer via Sonogashira coupling with 1,4-diethynylbenzene.Under experimental reaction conditions,the resulting porous polymer shows exceptionally nanotubular morphology,which further allows for a template-free synthesis of porous carbon nanotubes via thermal treatment at high temperature.The obtained nitrogen-doped carbon nanotubes feature with an improved porosity and high surface area.展开更多
文摘本文以均苯三甲醛、双乙酰作为反应物,吡咯烷作为催化剂,通过羟醛缩合反应在甲醇溶剂中得到邻二酮共轭多孔聚合物。该材料孔径分布范围为2~38 nm,说明其具有介孔结构。由于邻二酮共轭多孔聚合物良好的CV曲线,进一步进行超级电容器与电池性能测试,发现其在酸性条件下超级电容器的比电容可到达20 m F·cm-2。
基金financially supported by the National Natural Science Foundation of China(21174083)the China Postdoctoral Science Foundation(2011M500767)+1 种基金the Key Program of Science and Technology Commission Foundation of Shanghai(11JC1405400)Shanghai Jiao Tong University(211 Project)
文摘A shape-persistent dendritic molecule,tris(4-(2,7-dibromo-9-phenyl-9-fluoren-9-yl)phenyl)amine (TF-6Br),has been readily synthesized in high yield through a concise Friedel-Crafts reaction from triphenylamine and 2,7-dibromo(9-phenyl-fluoren-9-ol).It was further employed as the key building block to achieve the synthesis of conjugated porous polymer via Sonogashira coupling with 1,4-diethynylbenzene.Under experimental reaction conditions,the resulting porous polymer shows exceptionally nanotubular morphology,which further allows for a template-free synthesis of porous carbon nanotubes via thermal treatment at high temperature.The obtained nitrogen-doped carbon nanotubes feature with an improved porosity and high surface area.
