Table 2 Fit results of EXAFS data of H2O2-Pt/Ti–FS at the Pt L3 edge.
From: Dispersion and stability mechanism of Pt nanoparticles on transition-metal oxides
T ( °C) | Pt–O | Pt-Pt(1) | Pt-Pt(2) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
N | d (Å) | σ2 (Å2) | N | d (Å) | σ2 (Å2) | N | d (Å) | σ2 (Å2) | ||
RT | 5.7(7) | 2.003(7) | 0.003(1) | 8(1) | 3.28(1) | 0.018(2) | ||||
100 | 5.7(7) | 2.010(7) | 0.004(1) | 8(1) | 3.22(4) | 0.026(5) | ||||
150 | 3.8(7) | 2.016(7) | 0.004(1) | 2(1) | 2.75(1) | 0.014(1) | 6(1) | 3.05(1) | 0.024(2) | |
200 | 1(1) | 2.05(1) | 0.006(1) | 8(1) | 2.719(7) | 0.014(1) | ||||
250 | 7.9(8) | 2.713(6) | 0.012(1) | |||||||
300 | 7.6(8) | 2.702(7) | 0.012(1) | |||||||
350 | 7.2(8) | 2.699(7) | 0.011(1) | |||||||
400 | 6.8(8) | 2.702(8) | 0.011(1) | |||||||
450 | 7.2(8) | 2.708(8) | 0.013(1) | |||||||
500 | 7.8(9) | 2.702(7) | 0.014(1) | |||||||
RTc | 7.6(9) | 2.730(8) | 0.008(1) | |||||||