Fabrication of Thermoelectric Sensor and Cooling Devices Based on Elaborated Bismuth-Telluride Alloy Thin Films

Table 4

Micromodule Peltier cooling (Δ𝑇°C) as a function of applied current (𝐼) in atmospheric pressure and under a vacuum of 10⁻³ mbar.

𝐼 (mA)	Δ𝑇 (°C) in atmospheric pressure	Δ𝑇 (°C) in the vacuum
1.0	1.02	1.50
2.0	1.38	1.80
𝐼opt=𝟐.𝟓	2.12	2.60
3.5	1.80	2.20
4.0	1.56	2.00