Atomic Layer Deposition of Rhenium-Aluminum Oxide Thin Films and ReOx Incorporation in a Metal-Organic Framework

被引：25

作者：

Rimoldi, Martino ^{[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 21589, Saudi Arabia

来源：

ACS APPLIED MATERIALS & INTERFACES | 2017年 / 9卷 / 40期

关键词：

atomic layer deposition; rhenium oxide; trimethylaluminum; thin film; metal-organic framework; hydrogenation; gas flow; CATALYTIC FUNCTION; PERFORMANCE; METATHESIS; METHANOL; DESIGN; GROWTH;

D O I：

10.1021/acsami.7b12303

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Methyltrioxorhenium (ReO3Me) is introduced as the first rhenium atomic layer deposition (ALD) precursor and used to grow rhenium-aluminum oxide thin films in combination with trimethylaluminum (TMA-AlMe3). The growth rate of the smooth Re-Al oxide films, with general stoichiometry RexAlyO3x, has been monitored by in situ quartz crystal microbalance (QCM) and ex situ ellipsometry, and found to be 3.2 angstrom/cycle. X-ray photoelectron spectroscopy (XPS) revealed the mixed valent composition of the film with Re(III) species being the main component. In addition, ReO3Me has been successfully used to deposit rhenium oxide in NU-1000, a mesoporous zirconium-based metal-organic framework (MOF). The metalated MOF was found to retain porosity and crystallinity and to be catalytically active for ethene hydrogenation.

引用

页码：35067 / 35074

页数：8

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