Fig 1.
Schematic showing one thermoelectric pair (vertical configuration) and equivalent electrical circuit.
Fig 2.
Isometric view of the proposed design.
Fig 3.
Temperature and Voltage distributions at ΔT = 20K: (a) Temperature, (b) Voltage.
Fig 4.
Analytical Vs Simulation results: (a) Voltage, (b) Power.
Table 1.
Performance comparison of three different module configurations.
Table 2.
Comparison between paper and acrylic.
Fig 5.
Fabrication procedure schematic of a single layer device.
Fig 6.
Substrate preparation: (1) Silicon wafer, (2) Ultrasonic cleaner (LABSONIC LBS2-4,5), (3) Dicing saw (DAD322) and (4) Spin coater (WS-650-23B).
Fig 7.
Illustrating the use of sticky paper from the backside.
Fig 8.
Shadow Mask preparation: (1) CO2 laser cutting machine (VLS 3.5), (2–3) Acrylic masks, and (4–6) Paper masks.
Fig 9.
Shadow Mask optimization study using different laser cutting combinations: (1) Paper mask using vector mode, (2) Paper mask using raster mode, (3) Acrylic mask using vector mode, and (4) Acrylic mask using raster).
Fig 10.
Prepared shadow mask (paper).
Fig 11.
Deposition and fabrication of the device (single-layer): (1) First mask fitted onto the substrate, (2) Metal 1 deposited circuit, (3) Second mask fitted, and (4) Second metal deposited and final device.
Fig 12.
Experimental setup.
Fig 13.
Temperature difference versus (a) Voltage and (b) Power.
Fig 14.
Experimental vs Simulation: (a) Voltage, (b) Power.