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| Content Provider | Springer Nature Link | 
|---|---|
| Author | Charache, G. W. Egley, J. L. Depoy, D. M. Danielson, L. R. Freeman, M. J. Dziendziel, R. J. Moynihan, J. F. Baldasaro, P. F. Campbell, B. C. Wang, C. A. Choi, H. K. Turner, G. W. Wojtczuk, S. J. Colter, P. Sharps, P. Timmons, M. Fahey, R. E. Zhang, K. | 
| Copyright Year | 1998 | 
| Abstract | Thermophotovoltaic generation of electricity is attracting renewed attention due to recent advances in low bandgap (0.5–0.7 eV) III-V semiconductors. The use of these devices in a number of applications has been reviewed in a number of publications.$^{1–4}$ Two potential low-bandgap diode materials are In$_{x}$Ga$_{1−x}$As$_{y}$Sb$_{1−y}$ and In$_{x}$Ga$_{1−x}$As. The performance of these devices are comparable (quantum efficiency, open circuit voltage, fill factor) despite the latter’s long-term development for optoelectronics. For an 1100°C blackbody, nominally 0.55 eV devices at 25°C exhibit average photon-weighted internal quantum efficiencies of 70–80%, open circuit voltage factors of 60–65%, and fill factors of 65–70%. Equally important as the energy conversion device is the spectral control filter that effectively transmits above bandgap radiation into the diode and reflects the below bandgap radiation back to the radiator. Recent developments in spectral control technology, including InGaAs plasma filters and nonabsorbing interference filters are presented. Current tandem filters exhibit spectral utilization factors of ∼65% for an 1100°C blackbody. | 
| Starting Page | 1038 | 
| Ending Page | 1042 | 
| Page Count | 5 | 
| File Format | |
| ISSN | 03615235 | 
| Journal | Journal of Electronic Materials | 
| Volume Number | 27 | 
| Issue Number | 9 | 
| e-ISSN | 1543186X | 
| Language | English | 
| Publisher | Springer-Verlag | 
| Publisher Date | 1998-01-01 | 
| Publisher Place | New York | 
| Access Restriction | One Nation One Subscription (ONOS) | 
| Subject Keyword | InGaAs InGaAsSb thermophotovoltaic (TPV) generation Optical and Electronic Materials Characterization and Evaluation of Materials Electronics and Microelectronics, Instrumentation Solid State Physics and Spectroscopy | 
| Content Type | Text | 
| Resource Type | Article | 
| Subject | Materials Chemistry Electronic, Optical and Magnetic Materials Condensed Matter Physics Electrical and Electronic Engineering | 
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