Citation: Lin HUANG, An Ming LIU, Wen Gui GUO, Yi De XU. ELECTROH-DONATING BEHAVIOR OF Co AND Fe IH PROMOTED Rh CATALYSTS[J]. Chinese Chemical Letters, ;1993, 4(7): 639-640. shu

ELECTROH-DONATING BEHAVIOR OF Co AND Fe IH PROMOTED Rh CATALYSTS

State Key Laboratory of Catolysis, Dalian Institute of Chemical Physics, P.O.Box 110, Dalian 116023

Received Date: 9 January 1993

A vacuum heating operation at 623 K on the surfaces of SiO₂-supported promoted ca-talysts makes it possible to reveal the electron transfer from Co and Fe additives to Rhatoms:a Rh catalyst containing 1% Eh under CO exhibits geminal CO IR bands only, while the presence of Co and Fe in promoted Rh catalysts results in linear and bridged CO chemisorptions on Rh in connection with their promotion in the selective hydroformylation of propylene.
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