Creation of heterogeneous catalysts based on hierarchical macrostructures of porous coordination polymers

基于多孔配位聚合物多级宏观结构的多相催化剂的制备

• 批准号: 26870310
• 负责人: REBOUL Julien
• 金额: $ 2.5万
• 依托单位: Kyoto University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Young Scientists (B)
• 财政年份: 2014
• 资助国家: 日本
• 起止时间: 2014-04-01 至 2015-03-31
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-26870310/
• 关键词: ナノ・マイクロ科学材; 材料化学; ナノ構造化学; 無機工業材料; 階層構造・超構造; 多孔体

The purpose of the research was the creation of new monolithic macrostructures with a hierarchical porosity dedicated to continuous flow catalysis. The targeted structures are made of porous coordination polymers (PCPs), a new class of crystalline materials assembled by organic linkers and inorganic joints at the molecular scale. They are synthesized by applying a method developed in the applicant's group, so-called "coordination-replication", which enables to precisely control the PCP crystallization location through a dissolution-recrystallization process, where a sacrificial metal oxide dissolves and therefore provides the metal cation required to built the PCP crystals. So far, this process was only carried out with metal oxide phases composed of one unique type of metal as sacrificial template, such as pure alumina.In this project, the applicant selected as sacrificial template a mixed metal oxide phase MOx-M’Ox doped with redox active metal centers (M’) or metal oxide phase made of catalytically active transition metals.In this project, the sacrificial template used were vanadium doped alumina aerogels and copper hydroxide macro porous monoliths. Monolithic and polycrystalline macrostructures made of catalytically active PCP crystals were successfully synthesized with different types of organic linkers and characterized.The catalytic activity of these materials are under investigation.

这项研究的目的是创建具有用于连续流催化剂的层次孔隙率的新整体宏结构。靶向结构由多孔协调聚合物（PCP）制成，这是一种新的结晶材料，由有机接头和分子尺度上的无机接头组装。通过应用应用程序组中开发的方法（所谓的“协调复制”）来合成它们，该方法可以通过溶出的重新结晶过程精确地控制PCP结晶位置，在该过程中，牺牲金属氧化物溶解，因此提供了构建PCP晶体所需的金属阳离子。到目前为止，此过程仅由由一种独特类型的金属组成的金属氧化物阶段（例如纯铝制）组成。氢氧化物大孔巨石。由不同类型的有机接头成功合成了由催化活性PCP晶体制成的整体和多晶宏结构，并进行了表征。这些材料的催化活性正在研究中。

项目成果

Reductive coordination replication of V2O5 sacrificial macrostructures into vanadium-based porous coordination polymers

• DOI: 10.1039/c4ce01501k
• 发表时间: 2015-01-01
• 期刊: CRYSTENGCOMM
• 影响因子: 3.1
• 作者: Reboul, Julien;Yoshida, Kenji;Kitagawa, Susumu
• 通讯作者: Kitagawa, Susumu

Construction of porous coordination polymer architectures and composites by a pseudomorphic replacement process

通过假晶置换过程构建多孔配位聚合物结构和复合材料

• 发表时间: 2014
• 作者: Julien Reboul;Masashi Nakahama;Kira Khaletskaya;Shuhei Furukawa;Susumu Kitagawa
• 通讯作者: Susumu Kitagawa