Cross-grooved solar cell

Details Cross-grooved solar cell Cross-grooved solar cell

1984-06-11

1986-08-26

Weisstuch, Aaron

Batteries: thermoelectric and photoelectric

Photoelectric

Cells

136259, 357 30, 357 55, H01L 3106

Patent

active

046084517

ABSTRACT:
A solar cell of improved conversion efficiency and a process of making it are disclosed. The solar cell is designed to trap incident light within the cell by multiple internal reflections and thus increases the absorption of light in the cell. The solar cell is formed with a plurality of spaced parallel grooves on both the front and the back surfaces. The direction of the grooves on the front surface is at an angle with respect to the direction of the grooves on the back surface.

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patent: 4360701 (1982-11-01), Evans, Jr.
patent: 4379944 (1983-04-01), Borden et al.
patent: 4453030 (1984-06-01), David et al.
G. A. Brooks et al, IBM Tech. Disc. Bull., vol. 22, p. 1449 (1979).
D. Redfield, "Multiple-Pass Thin-Film Silicon Solar Cell," Applied Physics Letters, vol. 25, No. 11 (Dec. 1, 1974), pp. 647-648.
M. Spitzer et al, "Ultra High Efficiency Thin Silicon P-N Junction Solar Cells Using Reflecting Surfaces," 1980 IEEE Photovoltaic Specialists Conf., pp. 375-380.
E. Yablonovitch et al, "Intensity Enhancement . . . ," IEEE Trans. on Electron Dev., vol. Ed-29, No. 2 (Feb. 1982), pp. 300-305.
J. Muller, "Thin Silicon Film p-i-n Photodiodes . . . ," IEEE Trans. on Electron Dev., vol. Ed-25, No. 2, (Feb. 1978), pp. 247-253.

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