MoO x thin films were employed as a buffer layer in the back contact of CdTe solar cells. A monograined CdS layer was employed as the window layer to reduce light absorption. The insertion of a MoO x buffer layer in the back contact greatly reduced the Schottky barrier leading to increased fill factor and open‐circuit voltage. A CdTe solar cell, with an efficiency as high as 14.2%, was fabricated. The use of a MoO x buffer layer made it possible to fabricate high‐efficient CdTe solar cell with much less Cu in the back contact, thus greatly enhancing the cell stability. Copyright © 2015 John Wiley & Sons, Ltd. The insertion of a MoO x buffer layer in the back contact of a CdTe solar cell greatly reduced the Schottky barrier leading to an increased fill factor and open‐circuit voltage. A CdTe solar cell, with an efficiency as high as 14.2%, was fabricated. The use of a MoO x buffer layer made it possible to fabricate high‐efficient CdTe solar cell with much less Cu in the back contact, thus greatly enhancing the cell stability.
Stable CdTe thin film solar cells with a MoOx back‐contact buffer layer
Progress in photovoltaics ; 24 , 1
2016
Article (Journal)
English
buffer layer , MoO , solar cell , CdTe , high efficiency
BKL: | 53.36 Energiedirektumwandler, elektrische Energiespeicher |
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