Radiative energy transfer as described by the classical radiation transfer theory of Planck is valid only when the distance between the participating surfaces is larger than a few wavelengths of the characteristic radiation. When the spacing is comparable to the wavelength, electromagnetic theory and the fluctuation-dissipation theorem can be used to predict the energy transfer between the surfaces. We have used the electromagnetic Green’s function method to model the thermal energy transfer between two half planes with planar layers in between. With polar materials as the half planes, we see a narrowband energy transfer in the near field due to energy transfer by surface phonon polaritons. We have used this technique to show that such a resonance, however dampened, persists even with the presence of a layer of photovoltaic material. This results in not only an increased energy transfer to the photovoltaic material as compared to black body radiation but also imparts a narrowband characteristic to it. The implications for thermophotovoltaics are discussed.
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ASME 2003 Heat Transfer Summer Conference
July 21–23, 2003
Las Vegas, Nevada, USA
Conference Sponsors:
- Heat Transfer Division
ISBN:
0-7918-3693-2
PROCEEDINGS PAPER
Near Field Surface Wave Enhanced Photon Transport Available to Purchase
Arvind Narayanaswamy,
Arvind Narayanaswamy
Massachusetts Institute of Technology, Cambridge, MA
Search for other works by this author on:
Gang Chen
Gang Chen
Massachusetts Institute of Technology, Cambridge, MA
Search for other works by this author on:
Arvind Narayanaswamy
Massachusetts Institute of Technology, Cambridge, MA
Gang Chen
Massachusetts Institute of Technology, Cambridge, MA
Paper No:
HT2003-47055, pp. 201-204; 4 pages
Published Online:
December 17, 2008
Citation
Narayanaswamy, A, & Chen, G. "Near Field Surface Wave Enhanced Photon Transport." Proceedings of the ASME 2003 Heat Transfer Summer Conference. Heat Transfer: Volume 1. Las Vegas, Nevada, USA. July 21–23, 2003. pp. 201-204. ASME. https://doi.org/10.1115/HT2003-47055
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