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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 12, Number 2
BKCSDE 12(2)
February 20, 1991 

Interaction of Molybdenum Oxide with Titania : Raman Spectroscopic Study
Hack Sung Kim, Sang Hoon Han, Kwan Kim*
Laser Raman spectroscopy has been used to study the interaction of MoO3 with TiO2. The bulk molybdenum oxide appeared to spread on the surface of titania under the submonolayer coverage. The surface polymolybdate was observed to be very stable with respect to the repeated treatment of reduction and subsequent calcination. Owing to the interaction of molybdate and titania, the phase transformation of TiO2 seemed to be strongly retarded. The additives such as Co and Ni reacted readily with MoO3 to form the corresponding molybdate salts. Nevertheless, the polymolybdate species appeared to be more stable on the titania surface than the molybdate salts.
138 - 143
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