Figure 4

Thermoelectric performance of Sb2Te3 films deposited under different electric fields (0, 10, 20, 30 and 40 V) as a function of temperature: (a) σ, (b) S and (c) S2σ.

Thermoelectric performance of Sb2Te3 films deposited under different electric fields (0, 10, 20, 30 and 40 V) as a function of temperature: (a) σ, (b) S and (c) S2σ.