Postassembly Transformation of a Catalytically Active Composite Material, Pt@ZIF-8, via Solvent-Assisted Linker Exchange

被引：41
作者：
Stephenson, Casey J. [1 ]
Hupp, Joseph T. [1 ]
Farha, Omar K. [1 ,2 ]
机构：
[1] Northwestern Univ, Dept Chem, 2145 Sheridan Rd, Evanston, IL 60208 USA
[2] King Abdulaziz Univ, Fac Sci, Dept Chem, Jeddah, Saudi Arabia
来源：
INORGANIC CHEMISTRY | 2016年 / 55卷 / 04期
基金：
美国国家科学基金会;
关键词：
ZEOLITIC IMIDAZOLATE FRAMEWORKS; METAL-ORGANIC FRAMEWORKS; CATALYSIS; SIZE; ZIF-8; FUNCTIONALITY; OXIDATION;
D O I：
10.1021/acs.inorgchem.5b02880
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
2-Methylimidazolate linkers of Pt@ZIF-8 are exchanged with imidazolate using solvent-assisted linker exchange (SALE) to expand the apertures of the parent material and create Pt@SALEM-2. Characterization of the material before and after SALE was performed. Both materials are active as catalysts for the hydrogenation of 1-octene, whereas the hydrogenation of cis-cyclohexene occurred only with Pt@SALEM-2, consistent with larger apertures for the daughter material. The largest substrate, beta-pinene, proved to be unreactive with H-2 when either material was employed as a candidate catalyst, supporting the contention that substrate molecules, for both composites, must traverse the metal organic framework component in order to reach the catalytic nanoparticles.
引用
收藏
页码：1361 / 1363
页数：3
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