Table 1: Percentage contribution of each Pt 4f component the total peak area.

Pt/Nb2O5-TiO2 Pt/Nb2O5
Pt0
(71.3 eV)
Pt(OH)x
(72.7 eV)
PtO2
(74.9 eV)
Pt0
(71.3 eV)
Pt(OH)x
(72.7 eV)
PtO2
(74.9 eV)

RT63.629.56.958.325.616.1
360°C in vacuum68.818.712.558.530.111.4
360°C under H2 flow75.91687119.19.8