Carbothermal reduction of Ti-modified IRMOF-3: an adaptable synthetic method to support catalytic nanoparticles on carbon

Title
Carbothermal reduction of Ti-modified IRMOF-3: an adaptable synthetic method to support catalytic nanoparticles on carbon
Authors
김종식Nicholas D. McNamaraTheresa H. HerJason C. Hicks
Keywords
carbonization; carbothermal reduction; incipient wetness impregnation; postsynthetic modifiction; metal organic framework; oxidative desulfurization
Issue Date
2013-11
Publisher
ACS Applied Materials & Interfaces
Citation
VOL 5, NO 21-11487
Abstract
This work describes a novel method for the preparation of titanium oxide nanoparticles supported on amorphous carbon with nanoporosity (Ti/NC) via the post-synthetic modification of a Zn-based MOF with an amine functionality, IRMOF-3, with titanium isopropoxide followed by its carbothermal pyrolysis. This material exhibited high purity, high surface area (>1000 m(2)/g), and a high dispersion of metal oxide nanoparticles while maintaining a small particle size (similar to 4 nm). The material was shown to be a promising catalyst for oxidative desulfurization of diesel using dibenzothiophene as a model compound as it exhibited enhanced catalytic activity as compared with titanium oxide supported on activated carbon via the conventional incipient wetness impregnation method. The formation mechanism of Ti/NC was also proposed based on results obtained when the carbothermal reduction temperature was varied.
URI
http://pubs.kist.re.kr/handle/201004/67080
ISSN
1944-8244
Appears in Collections:
KIST Publication > Article
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