Table 3 Absorption coefficient and conductivity in the visible range.

From: Tuning the optoelectronic properties of hematite with rhodium doping for photoelectrochemical water splitting using density functional theory approach

Specimen

α × 105 (cm−1)

E Photon (eV)

σ × 105 (Ωm)−1

Fe2O3

2.226

1.8

0.811

Fe2O3

2.127

3.2

0.693

Fe2O3/Rh

2.339

1.8

0.992

Fe2O3/Rh

2.589

3.2

0.892

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