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催化学报 2004
甲烷在Rh/SiO2催化剂表面解离的红外光谱研究, PP. 928-930 Keywords: 甲烷,铑,二氧化硅,负载型催化剂,解离,红外光谱 Abstract: ?FT-IRspectroscopyisemployedtoinvestigatethemethanedissociationandmethanepartialoxidationovertheRh/SiO2catalyst.WhenCH4isadsorbedontothecatalystsurface,itdissociatesintoadsorbedCHx(x=1~3)andatomichydrogenonRhsurface.AtomichydrogencandiffusefromRhsurfacetoSiO2surfacewhereaprotonexchangereactionofHwiththesurfaceSi-OHoccurs,oritreactswiththelatticeoxygenofSiO2toformnewSi-OH.
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