Expeditious Coordination-Driven Construction of Hierarchically Nanoporous Barium Salts

查看全文 作　　者：Xian [1,2]Suo;Yuqing [3]Fu;Juntian [1]Fan;Chi-Linh Do-[1]Thanh;De-en [4]Jiang;Shannon [5]MMahurin;Zhenzhen [5]Yang;Sheng [1,5]Dai 机构地区：[1]Department of Chemistry,Institute for Advanced Materials and Manufacturing,University of Tennessee,Knoxville,Tennessee 37996;[2]ZJU-Hangzhou Global Scientific and Technological Innovation Center,Hangzhou 311200;[3]Department of Chemistry,University of California,Riverside,California 92521;[4]Department of Chemical and Biomolecular Engineering,Vanderbilt University,Nashville,Tennessee 37235;[5]Chemical Sciences Division,Oak Ridge National Laboratory,Oak Ridge,Tennessee 37831 出　　处：《CCS Chemistry》索引2023年第5卷第7期,共9页 基　　金：The research was supported financially by the Division of Chemical Sciences,Geosciences,and Biosciences,Office of Basic Energy Sciences,US Department of Energy. 摘　　要：Organic moieties-derived salts with permanent porosity and polarized channels have shown unique features and attractive performance in the field of adsorption,separation,and conduction.However,state-of-the-art organic salts generally rely on ionic interaction and hydrogen bonding formation to maintain the porous channels.The synthesis of organic moiety-derived saltswith permanent accessible pores even after removal of the trapped guest molecules,and without the constraint of hydrogen bonding formation still remains a great challenge.Herein,we present an expeditious construction pathway to generate hierarchically nanoporous barium salts without hydrogen bonding formation.The strong ionic interaction of the bariumcation and sulfonate anions led to rapid reaction equilibrium(∼2 min),affording diverse barium-derived ionic polymer(Ba-IP)with permanent porosity and highly polarized channels.The produced Ba-IP materials with abundant cations and anions displayed high CO_(2)/N2 and CO_(2)/CH_(4)separation performance,with the selectivities reaching up to 89.5 and 280,respectively,at 273 K,surpassingmost of the organic polymers functionalized by ionic moieties. 关 键 词：ionic salts ionic interaction barium cation sulfonate anion CO_(2)separation