Title :
Angle-limited cavities for silicon solar cells
Author :
Luque, A. ; Minano, J.C. ; Davies, P. ; Terron, M.J. ; Tobias, I. ; Sala, G. ; Alonso, J. ; Olivan, J.
Author_Institution :
Inst. de Energia Solar, Univ. Politecnica de Madrid, Spain
Abstract :
A light-confining cavity to enhance the absorption of light of solar cells that achieves the light confinement by reduction of the escaping etendue, rather than that of the entry aperture area, is presented. Therefore, its entry aperture is large and no secondary is required. The cavity performance is theoretically studied and experimentally demonstrated, showing more than a one-and-a-half-point increase in efficiency.<>
Keywords :
elemental semiconductors; light absorption; silicon; solar cells; Si solar cells; angle limited cavities; efficiency improvement; light absorption; light-confining cavity; Absorption; Apertures; Ellipsoids; Geometrical optics; Optical coupling; Optical losses; Photovoltaic cells; Prototypes; Silicon; Telecommunications;
Conference_Titel :
Photovoltaic Specialists Conference, 1991., Conference Record of the Twenty Second IEEE
Conference_Location :
Las Vegas, NV, USA
Print_ISBN :
0-87942-636-5
DOI :
10.1109/PVSC.1991.169190
