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Room temperature thermoelectric pumping in mid-infrared light-emitting diodes
| Content Provider | Semantic Scholar |
|---|---|
| Author | Santhanam, Parthiban Huang, Duanni Ram, Rajeev J. Remennyi, Maxim A. Matveev, Boris A. |
| Copyright Year | 2013 |
| Abstract | We present measurements of mid-infrared light-emitting diodes generating photons above the conventional limit of 100% electrical-to-optical power conversion efficiency. At low forward bias, lattice heat is absorbed via thermo-electric effects in the carrier injection process and released radiatively through recombination, so the diode acts as a thermodynamic heat pump. Experiments support an effective temperature model for electro-luminescence in the cooling regime and refute alternative interpretations of existing results. Although non-radiative recombination limits the power density available above unity efficiency, experiments confirm the phenomenon at room temperature. VC 2013 AIP Publishing LLC. [http://dx.doi.org/10.1063/1.4828566] |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://www.rle.mit.edu/sclaser/documents/SanthanamRoom.pdf |
| Alternate Webpage(s) | http://psanthanam.net/reprints/Santhanam%20et%20al%20-%20Room%20temperature%20TE%20pumping%20in%20mid-IR%20LEDs%20-%20APL%202013.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
