作者:Kyungsu Na、Changbum Jo、Jeongnam Kim、Kanghee Cho、Jinhwan Jung、Yongbeom Seo、Robert J. Messinger、Bradley F. Chmelka、Ryong Ryoo
DOI:10.1126/science.1204452
日期:2011.7.15
catalytic activity. Crystalline mesoporous molecular sieves have long been sought as solid acid catalysts for organic reactions involving large molecules. We synthesized a series of mesoporous molecular sieves that possess crystalline microporous walls with zeolitelike frameworks, extending the application of zeolites to the mesoporous range of 2 to 50 nanometers. Hexagonally ordered or disordered mesopores
双功能表面活性剂用于合成具有多种孔隙率和增强催化活性的沸石。长期以来,人们一直在寻找结晶中孔分子筛作为涉及大分子的有机反应的固体酸催化剂。我们合成了一系列具有类似沸石骨架的结晶微孔壁的介孔分子筛,将沸石的应用扩展到2至50纳米的介孔范围。六边形有序或无序中孔由表面活性剂聚集体产生,而表面活性剂头基中的多个阳离子部分指导微孔铝硅酸盐骨架的结晶。壁厚、骨架拓扑结构和中孔尺寸可以用不同的表面活性剂控制。