Annealing Effect on the Thermoelectric Properties of Bi₂Te₃ Thin Films Prepared by Thermal Evaporation Method

Table 2

Thermoelectric properties of the Bi₂Te₃ thin films annealed at different temperature and time.

Annealing time (min)	Annealing temperatures (°C)	Conductivity (S·cm^−1)	Seebeck coefficient (𝜇V/K)	Power factor (𝜇W/cm·K^2)
without annealing	without annealing	619.33	−88.83	4.89
30	100	362.53	−90.62	2.98
30	150	327.71	−124.26	2.69
30	200	302.5	−128.62	5.01
30	250	347.27	−132.02	6.05
60	100	601.05	−95.65	5.49
60	150	328.16	−103.42	3.51
60	200	165.81	−118.24	2.32
60	250	321.68	−122.18	4.8