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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Song, J. Li, S.S. Chen, L. Noufi, R. Anderson, T.J. Crisalle, O.D. |
| Copyright Year | 2006 |
| Description | Author affiliation: Dept. of Electr. & Comput. Eng., Florida Univ., Gainesville, FL (Song, J.; Li, S.S.) |
| Abstract | $Cu(In,Ga)Se_{2}$ (CIGS) and $CuGaSe_{2}$ (CGS) solar cells were fabricated using $Cd_{1-x}Zn_{x}S$ (CdZnS) buffer layers prepared by chemical bath deposition (CBD) with relative Zn compositions in the CBD bath values of $X_{bath}=0$ (i.e., pure CdS), 0.1, 0.2, 0.3, 0.4, and 0.5. The cell performance parameters of CIGS and CGS films treated with a KCN solution were investigated and compared to cells without KCN treatment. It was found that absorber films treated with KCN etching prior to the buffer CBD step show an improved cell performance for both the CIGS and CGS cells deposited with either CdS or CdZnS buffer layer. A CIGS cell with CdZnS buffer layer of $X_{bath}=0.2$ produced a 13% AM1.5G conversion efficiency with higher $V_{oc},$ $J_{sc},$ and FF values as compared to the CdZnS/CIGS cells with different Zn contents. Results of photo- J-V and quantum efficiency (QE) measurements reveal that the CGS cell with CdZnS buffer layer of $X_{bath}=0.3$ performed better than the CGS cell deposited with a pure CdS buffer layer. This result is suggested as a result of an increased photocurrent at shorter wavelengths and a more favorable conduction band-offset at the CdZnS/CGS junction |
| Sponsorship | IEEE Electron Devices Soc |
| Starting Page | 534 |
| Ending Page | 537 |
| File Size | 239782 |
| Page Count | 4 |
| File Format | |
| ISBN | 1424400163 |
| DOI | 10.1109/WCPEC.2006.279510 |
| 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 | Buffer layers Photovoltaic cells Zinc Photonic band gap Chemical engineering Etching Conducting materials Lattices Computational Intelligence Society Heterojunctions |
| Content Type | Text |
| Resource Type | Article |
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