Proton conduction of Tbbenzophenone-3,3'-disulfonyl-4,4'-dicarboxylate framework

• 作 者: 李振涛;张文文;王玉玲;刘庆燕;
• 机 构: 江西师范大学 化学化工学院,江西,南昌,330022
• 出 处: 2018中西部地区无机化学化工学术研讨会
• 发表日期: 2018年期

　　A novel Tb-benzophenone-3,3'-disulfonyl-4,4'-dicarboxylate compound(1)was synthesized and structurally characterized.The Tb(Ⅲ)ions are bridged by the carboxylate groups of BODSDC4–(benzophenone-3,3'-disulfonyl-4,4'-dicarboxylate)ligands to give a one-dimensional(1D)chain,which is further linked by the BODSDC4– ligands to yield a three-dimensional(3D)framework featuring 1D channels.The 1D open channels surrounded by high-density hydrophilic sulfonate groups facilitates enrichment of the solvate water molecules in the channels,resulting in a high proton conductivity of 6.57 × 10-4 S cm-1 at 95%RH and 85℃.The proton conductivity at 25℃ are 1.17 × 10-6 S cm-1 at 50%RH and 2.16 × 10-5 S cm-1 at 95%RH,which indicates that the conductivity is highly humidity dependent and increases by raising RH.