Table 1: Proposed reaction, classification, activation energy, and preexponential factor considered in the model.

Proposed reactionClassificationActivation energy
(kJ/mol)
Preexponential factor
(1/s)

(1) Ti(OC4H9)4 → TiO2(g) + 4C4H8 + 2H2OVolumetric decomposition70.53.96 × 105
(2) Ti(OC4H9)4 + 2H2O → TiO2(g) + 4C4H9OHVolumetric hydrolysis8.433.0 × 1015
(3) Ti(OC4H9)4 → TiO2(s) + 4C4H8 + 2H2OSurface deposition by TBOT126.011.0 × 109
(4) TiO2(g) → TiO2(s)Surface deposition by TiO2126.011.0 × 109