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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Shvydka, D. Drayton, J. Mitra, M. Marsillac, S.X. Jacob, F. |
| Copyright Year | 2006 |
| Description | Author affiliation: Dept. of Phys. & Astron., Toledo Univ., OH (Shvydka, D.; Drayton, J.; Mitra, M.; Marsillac, S.X.) |
| Abstract | We reported recently a strong reversible pressure dependence of photovoltaic (PV) parameters in thin film CdTe-based solar cells. The origin of this dependence is attributable to a window layer of CdS: the change in PV parameters is consistent with the values of its piezoelectric constants. This effect can be important for Cu(In,Ga)Se $_{2}$ technology, also using CdS as buffer layer, since the latter can be under considerable internal pressure resulting from highly nonequilibrium nature of thin-film PV deposition and lattice constants mismatch. In particular, the piezo-effect will translate the internal pressure into electric dipole charge distribution across the CdS layer and generate the electric potential difference having significant effect on PV parameters. We compare our observations of pressure dependent PV parameters in $Cu(In,Ga)Se_{2}$ devices with the previously reported data for CdTe-based PV. Several important features originate from the differences in CdS layer thickness, partial shading of $CIGS_{2}$ cell due to its substrate configuration, and possible shunting effects |
| Sponsorship | IEEE Electron Devices Soc |
| Starting Page | 465 |
| Ending Page | 467 |
| File Size | 434146 |
| Page Count | 3 |
| File Format | |
| ISBN | 1424400163 |
| DOI | 10.1109/WCPEC.2006.279491 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2006-05-07 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Photovoltaic systems Solar power generation Transistors Photovoltaic cells Piezoelectric films Buffer layers Sputtering Lattices Electric potential Substrates |
| Content Type | Text |
| Resource Type | Article |
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