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- Publisher
- SPIE
- Copyright
- © 2019 Society of Photo-Optical Instrumentation Engineers (SPIE)
- ISSN
- 1947-7988
- eISSN
- 1947-7988
- DOI
- 10.1117/1.JPE.9.032706
- Publisher site
- See Article on Publisher Site
Abstract
Abstract.We analyze a near-field thermoradiative device that consists of an indium arsenide-based photodiode under negative illumination. We analyze a possible enhancement of conversion efficiency by use of hyperbolic metamaterial (HMM) in place of bulk metallic heat sink. A stack of alternating thin-films of metal [zirconium carbide (ZrC)] and dielectric [silicon dioxide (SiO2)] is chosen to be the HMM under investigation. The presence of hyperbolic modes creates additional channels of near-field radiative transfer. An increased power density is predicted without a compromise in system efficiency.
Journal
Journal of Photonics for Energy – SPIE
Published: Jul 1, 2019
Keywords: thermoradiative device; near-field thermal radiation; hyperbolic metamaterials; photovoltaics