期刊
ACS CATALYSIS
卷 1, 期 7, 页码 729-732出版社
AMER CHEMICAL SOC
DOI: 10.1021/cs200222t
关键词
heterogeneous catalysis; rational catalyst design; mesoporous materials; fluorinated surface; esterification; solid-state NMR
资金
- U.S. Department of Energy, Office of Basic Energy Sciences at Ames Laboratory [DE-AC02-07CH11358]
- U.S. Department of Energy, Office of Basic Energy Sciences Center for Catalytic Hydrocarbon Functionalization, an Energy Frontier Research Center [DE-SC0001298]
Bifunctional mesoporous silica nanoparticle (MSN) catalysts for esterification reaction, containing a Bronsted acid site of diarylammonium triflate (DAT) and a pentafluorophenyl propyl (PFP) group, were synthesized and thoroughly characterized. Their high reactivity is attributed to the formation of a surface-bound hydro, phobic layer of PFP molecules, which facilitates the extrusion of one of the reaction products (water) from the mesopores by suppressing water adsorption onto the surface, thereby shifting the reaction equilibrium to completion.
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