Bibliographic Details
| Title: |
Transparent CdTe solar cells with a ZnO:Al back contact. |
| Authors: |
Heisler, C.1 christoph.heisler@uni-jena.de, Schnohr, C.S.1, Hädrich, M.1, Oertel, M.1, Kraft, C.1, Reislöhner, U.1, Metzner, H.1, Wesch, W.1 |
| Source: |
Thin Solid Films. Dec2013, Vol. 548, p627-631. 5p. |
| Subjects: |
Cadmium telluride, Solar cells, Zinc oxide, Aluminum compounds, Thickness measurement, Sublimation (Chemistry) |
| Abstract: |
Abstract: In order to realize transparent CdTe solar cells, we reduced the absorber layer thickness to as little as 0.25μm using a low-temperature close space sublimation process. Furthermore, we developed a transparent ZnO:Al back contact with a high transmittance of more than 65 % over the whole wavelength range of 400–1300nm. Thin solar cells with this back contact achieve performances comparable to solar cells with a low-ohmic non-transparent Cu–Au back contact. These beneficial properties suggest the application in a tandem cell configuration. The viability of this concept is demonstrated for a mechanically stacked tandem configuration with CdTe as top filter and CuInSe2 as bottom cell. [Copyright &y& Elsevier] |
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| Database: |
Engineering Source |
