Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 5, Issue 21, Pages 11479-11487Publisher
AMER CHEMICAL SOC
DOI: 10.1021/am404089v
Keywords
carbonization; carbothermal reduction; incipient wetness impregnation; postsynthetic modifiction; metal organic framework; oxidative desulfurization
Funding
- National Science Foundation (NSF) [CBET-1125145]
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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.
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