Linked from
The 23 pages that link to Thermoelectric effect, each with the reason it gives.
Band gapRelated: Band gaps and nearby electronic states influence thermoelectric transport.
PhononRelated: Phonon scattering can reduce heat conduction and improve thermoelectric performance.
ThermometerRelated: Thermocouples use this voltage to infer temperature.
Infrared detectorRelated: Some thermal detectors read radiation-induced heating as a voltage.