Solar energy converter using surface plasma waves

Details Solar energy converter using surface plasma waves Solar energy converter using surface plasma waves

1983-04-19

1984-11-13

Weisstuch, Aaron

Batteries: thermoelectric and photoelectric

Photoelectric

Panel or array

136255, 357 30, H01L 3106

Patent

active

044827784

ABSTRACT:
Sunlight is dispersed over a diffraction grating (12) formed on the surface of a conducting film (14) on a substrate (16). The angular dispersion controls the effective grating period so that a matching spectrum of surface plasmons (18) is excited for parallel processing on the conducting film. The resulting surface plasmons (18) carry energy to an array (20) of inelastic tunnel diodes. This solar energy converter does not require different materials for each frequency band, and sunlight is directly converted to electricity in an efficient manner by extracting more energy from the more energetic photons.

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G. Cheek et al., "MIS and SIS Silicon Solar Cells: A Review", Proceedings, 3rd E.C. Photovoltaic Solar Energy Conf., (1980), Reidel Pub. Co. (1981), pp. 353-357.
R. Singh et al., "Tunnel MIS Solar Cells", J. Vac. Sci. Technol., vol. 14, pp. 89-91 (1977).
"Deposition of Semiconductor Films with High Solar Absorptivity", D. M. Mattox et al.-J. Vac Sci. Technol., vol. 12, No. 1, Jan./Feb. 1975, pp. 182-185.
"Photon Excitation of Surface Plasmons in Diffraction Gratings", C. E. Wheeler et al., Physical Review B; vol. 13, No. 6; Mar. 15, 1976, pp. 2372-2376.
"Pushing Particles with Waves", N. J. Fisch; American Scientist, vol. 71; Jan./Feb. 1983, pp. 27-35.

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