3T tandem
Sets up a three-terminal tandem device with Quokka3's simplified IBC syntax and simulates top- and bottom-cell JV curves across voltage-match ratios.
This example builds a three-terminal (3T) tandem device using Quokka3’s simplified IBC syntax and simulates the bottom- and top-cell current-voltage curves across a range of voltage-match ratios. Because the two cells share a common electron transport path, their JV characteristics are not independent.
The simulation makes two coupling effects visible: photon coupling is strong for high top-cell voltages (i.e. for a high voltage-match ratio), and a high current in one cell causes a potential drop along the common electron transport path that shows up in the other cell’s JV curve.
What this example covers:
- Defining a 3T tandem with the simplified IBC syntax
- Simulating top- and bottom-cell JV curves over varying voltage-match ratios
- Observing photon coupling and shared-transport-path coupling between the two cells
Resources