有序介孔材料应用
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T. J. Pinnavaia:采用非离子取代先前的CTAB或CTAC离子型表面活性剂合成了无序的介孔分子筛HMS与MSUG. D. Stucky:SBA-n系列分子筛篇篇都上Nature和Science,霍启升,赵东元,Yang Peidong。
介孔材料的合成机理上(和霍一起干的),以及三篏段共聚物为模板合成水热稳定的介孔材料(和赵一起的,特别是SBA-15)。
Ryoo:韩国这边Kaist,介孔碳分子筛介孔薄膜的合成:无疑sol-gel 的大师人物该出来说话了。
其中Brinker C. J.和Sanchez C.无疑是最杰出的。
Brinker搞有机硅的溶胶凝胶出来的,工作当然主要集中在介孔SiO2薄膜上有序介孔材料直接作为酸碱催化剂使用时,能够改善固体酸催化剂上的结炭,提高产物的扩散速度,转化率可达90%,产物的选择性达100%。
除了直接酸催化作用外,还可在有序介孔材料骨架中掺杂具有氧化还原能力的过渡元素、稀土元素或者负载氧化还原催化剂制造接枝材料。
这种接枝材料具有更高的催化活性和择形性,这也是目前开发介孔分子筛催化剂最活跃的领域。
有序介孔材料由于孔径尺寸大,还可应用于高分子合成领域,特别是聚合反应的纳米反应器。
由于孔内聚合在一定程度上减少了双基终止的机会,延长了自由基的寿命,而且有序介孔材料孔道内聚合得到的聚合物的分子量分布也比相应条件下一般的自由基聚合窄,通过改变单体和引发剂的量可以控制聚合物的分子量。
并且可以在聚合反应器的骨架中键入或者引入活性中心,加快反应进程,提高产率。
在环境治理和保护方面用于降解有机废料,用于水质净化和汽车尾气的转化处理等。
在高技术先进材料领域,用于贮能材料用于功能纳米客体在介孔材料中的组装。
国际上纳米领域:王中林,夏幼南,杨培东1. 介孔材料的诞生--1992年MS41系列分子筛(典型的是MCM-41,MCM-48,MCM-50)的合成(严格来讲,应该是1991年日本人合成出来):Nature. 1992, 359, 710-712(J. S. Beck)J Am Chem Soc. 1992, 114: 10834-10843(J. S. Beck)Science. 1993, 261: 1299-1303(霍启升)2.介孔材料制备的另一里程碑--1998年赵东元合成了SBA-15Science. 1998, 279: 548-552(赵东元)J. Am. Chem. Soc. 1998, 120, 6024-6036 (赵东元)3.通过硬模板法合成炭基介孔材料,也是一大重要成绩--1999年由韩国人刘龙完成:J Am Chem Soc. 2002, 124: 1156-1157( Ryoo R.)介孔相关的几个牛人的课题组:/mrl/info/publications/(G. D. Stucky)/~pinnweb/(Thomas J. Pinnavaia)/staff/GAO/flashed/menu.htm(Ozin's group)/~dyzhao/(赵东元)http://rryoo.kaist.ac.kr/pub.html (韩国刘龙(R. Ryoo)).sg/~chezxs/Zhao/publication.htm(新加坡赵修松Xiusong Zhao)http://www.ucm.es/info/inorg/inv... iones/2001/2001.htm (西班牙M. Vallet-Regi 首先把介孔材料应用到药物缓释)因为以前不小心把自己的收藏夹弄没了,所以有还有几个课题组现在没有了链接,但是其课题负责人还是记得:台湾的牟中原和他的弟子林弘平;上海硅所的施剑林;吉林大学的肖丰收和裘式伦;大化所的包信和(涉及得不多)推荐几篇介孔材料重要的综述:Chem. 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