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. 2021 Mar 17;1(4):450–458. doi: 10.1021/jacsau.1c00021

Table 1. Physicochemical Properties of Reduced Materials.

material EA,wt % particle size,a nm CO chemisorption,b molCO molPd–1 (ĐCO) H2 chemisorption, molH2 molPd–1 H/CO ratio terminal CO stretch, cm–1 bridging CO stretch, cm–1
PdGa@SiO2 Pd: 1.08 1.6 ± 0.4 0.55 (55%) 0.56 2.0 2086 1960
  Ga: 1.66            
Pd@SiO2 Pd: 1.61 1.6 ± 0.3 0.61 (61%) 0.91 3.0 2094 1967
a

Particle size determined by TEM.

b

Dispersion assumes 1:1 ratio CO/Pdsurface.