Abstract
We report studies of solar cells prepared by rf planar magnetron sputtering in which the films were deposited using magnetic field structures ranging from approximately balanced to strongly unbalanced in the 'type II' configuration. For films grown with the unbalanced configurations, we find much stronger photoluminescence and much better cell performance than for the balanced configuration. TheCdTe films show differences in electrical performance depending on magnetic field as well. These effects are intepreted as arising from the enhanced electron and ion bombardment of the film growth interface for the unbalanced magnetrons. Using two unbalanced magnetrons we have fabricated an all-rf-sputtered cell with NREL-verified efficiency of 11.6% at air mass 1.5 illumination.
| Original language | American English |
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| Pages | 391-396 |
| Number of pages | 6 |
| State | Published - 1996 |
| Event | Thin Films for Photovoltaic and Related Device Applications: Materials Research Society Symposium - San Francisco, California Duration: 8 Apr 1996 → 11 Apr 1996 |
Conference
| Conference | Thin Films for Photovoltaic and Related Device Applications: Materials Research Society Symposium |
|---|---|
| City | San Francisco, California |
| Period | 8/04/96 → 11/04/96 |
Bibliographical note
Work performed by University of Toledo, Toledo, OhioNREL Publication Number
- NREL/CP-23039