Chemistry Letters p. 1917 - 1918 (1988)
Update date:2022-08-10
Topics:
Arakawa, Hironori
Takahashi, Nobuo
Hanaoka, Takaaki
Takeuchi, Kazuhiko
Matsuzaki, Takehiko
Sugi, Yoshihiro
A significant Rh dispersion effect was observed on vapor phase and pressurized hydroformylation of ethylene over Rh/SiO2 catalyst.Hydroformylation proceeds favorably over a high dispersed Rh/SiO2 having Rh particle size below approximately 30 Angstroem.This remarkable dispersion effect is attributed to the change of both surface Rh atom composition and electronic state of Rh particle on SiO2.In addition, a striking structure sensitivity was also observed on the hydrogenation of ethylene to ethane as a by-product.
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