Interaction of Titanium Isopropoxide with Surface Hydroxyls on Silica

Journal Article · Mon Jan 31 23:00:00 EST 1994 · Journal of Catalysis

DOI:https://doi.org/10.1006/jcat.1994.1068· OSTI ID:1560153

Srinivasan, S ^[1]; Datye, A K. ^[1]; Hampden-Smith, Mark J. ^[1]; Peden, Charles HF. ^[2]

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1. University of New Mexico
2. BATTELLE (PACIFIC NW LAB)

Six different silicas, (two aerosils, a hydrophobic aerosil, a silica gel and Stober spheres) pretreated at 423 K in vacuum were impregnated with Ti-(O-i-Pr)4 in a N2 atmosphere and the excess alkoxide washed away in an inert environment. Infrared spectroscopy showed significant differences in the relative proportioins of isolateed and H-bonded surface hydroxyls on these silicas. The silicas that had a higher proportion of H-bonded hydroxyls on these silicas.

• Research Organization: Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: AC05-76RL01830
• OSTI ID: 1560153
• Report Number(s): PNNL-SA-23182
• Journal Information: Journal of Catalysis, Journal Name: Journal of Catalysis Journal Issue: 2 Vol. 145
• Country of Publication: United States
• Language: English

Related Subjects

oxide
mixed oxides
titania