In this study, the effects of A and B site cation substitution of the distorted perovskite YCoO₃ on crystal structure and thermoelectric properties were investigated. Polycrystalline samples of Y₁₋ₓCaₓCoO₃ (0 ≤ x ≤ 0.20) and YCo₁₋ₓRhₓO₃ (0 ≤ x ≤ 1.0) were prepared by solid state reaction. Optimal synthesis conditions...