6.2 Experimental investigation of Au-MnOx catalysts 111
1,6
1,4
1,2
1,0
0,8
0,6
0,4
0,2
0,0
Au(30%)-MnOx
OCV
0.80V
1.00V
1.20V
1.40V
1.65V
HigherU
In1MKOH
6535654065456550655565606565
NormalizedIntensity/arb.units
PhotonEnergy/eV
Figure 6.14: Mn K-edge XAS of the Au(30%)-MnOx lm under potential control
in 1M KOH.
1,6
1,4
1,2
1,0
0,8
0,6
0,4
0,2
0,0
MnOxwith50%Au
OCV
0.80V
1.00V
1.20V
1.40V
1.65V
HigherU
6535654065456550655565606565
NormalizedIntensity/arb.units
PhotonEnergy/eV
Figure 6.15: Mn K-edge XAS of the Au(50%)-MnOx lm under potential control
in 1M KOH.