Adsorption of Trimethylphosphine Oxide Molecules from the Gas Phase to Probe Surface Acidity by Solid-state NMR

被引：12
|
作者：
Hayashi, Shigenobu [1 ]
机构：
[1] Natl Inst Adv Ind Sci & Technol, Res Inst Instrumentat Frontier, Tsukuba, Ibaraki 3058565, Japan
来源：
CHEMISTRY LETTERS | 2009年 / 38卷 / 10期
关键词：
P-31; NMR; THEORETICAL CALCULATION; SITES; CATALYST; QUANTIFICATION; ZEOLITES;
D O I：
10.1246/cl.2009.960
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Trimethylphosphine oxide (TMPO) molecules were adsorbed on H-type mordenite to probe the surface acidity by solid-state NMR. We found that dichloromethane was coadsorbed when it was used as a solvent. To avoid the effect of the solvent, TMPO was adsorbed from the gas phase, and we have obtained H-1 and P-31 magic-angle-spinning (MAS) NMR spectra of TMPO-adsorbed H-type mordenite without the effect of the solvent.
引用
收藏
页码：960 / 961
页数：2
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