کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
78762 | 49342 | 2011 | 6 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: LPCVD ZnO-based intermediate reflector for micromorph tandem solar cells LPCVD ZnO-based intermediate reflector for micromorph tandem solar cells](/preview/png/78762.png)
The use of zinc oxide (ZnO) based intermediate reflector (ZIR) in micromorph solar cells using low pressure chemical vapor deposition (LPCVD) was investigated. The influences of deposition temperature and dopant gas concentration on grain size and lateral electrical conductivity measurements are presented. Further ZIR deposition conditions were then directly evaluated in micromorph solar cell devices. Their electrical performances were compared to reference cells and cells incorporating silicon oxide based intermediate reflector. It is shown that both reduced ZIR deposition temperature and increased total flow rate allow for better performing devices with increased shunt resistance, as further supported by lock-in thermography shunt imaging. Relative micromorph efficiency increase of above 7% is shown with thin ZnO layers, along with absence of loss or even small increase of total current in the whole structure compared to cells without intermediate reflector.
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► LPCVD ZnO intermediate reflector for tandem thin film Si solar cell is analyzed.
► Role of ZnO deposition conditions on electrical properties is examined.
► Decreased temperature and increased total flow improve cell performances.
Journal: Solar Energy Materials and Solar Cells - Volume 95, Issue 8, August 2011, Pages 2161–2166