Logo image
Back
An investigation of amorphous silicon solar cells with a gettering layer
Conference paper

An investigation of amorphous silicon solar cells with a gettering layer

K. Luczak, G.D. de Mont-Marin, C.P. Lund, P.J. Jennings and J.C.L. Cornish
3rd World Conference on Photovoltaic Energy Conversion 2003 (Osaka, Japan, 11/05/2003–18/05/2003)
2003
url
Conference WebsiteView

Abstract

Hydrogenated amorphous silicon solar cells (a-Si:H) with a modified intrinsic layer (in this case a so called "gettering layer") show an interesting pattern of photo-degradation during long exposure to simulated sunlight. This work presents some initial results from a careful examination of the behaviour of minority carrier lifetimes and spectral responses of standard, normal cells and cells with a modified intrinsic layer at all stages throughout the photo-degradation. The observed changes in the spectral responses and minority carrier lifetimes during degradation are remarkably different in the two types of solar cells under investigation. Cells with a modified intrinsic layer seem to be more stable during all stages of prolonged photo-degradation. We suspect that processes involving the formation of light induced defects and their migration inside the intrinsic layer can at least partially explain the differences in changes observed in these samples.

Details

Metrics

45 Record Views
Logo image