کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5465953 | 1517979 | 2017 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Evaluation of different intrinsic ZnO and transparent conducting oxide layer combinations in Cu(In,Ga)Se2 solar cells
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
فناوری نانو (نانو تکنولوژی)
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
We studied the interaction of four different window layer combinations in Cu(In,Ga)Se2 solar cells. Intrinsic ZnO (i-ZnO) layers were grown on CdS by either chemical vapor deposition (CVD) or magnetron sputtering. These were combined with sputtered ZnO:Al or In2O3:H grown by atomic layer deposition as transparent conducting oxides (TCO). It was found that the thickness of the CVD i-ZnO layer affects the open circuit voltage (Voc) significantly when using In2O3:H as TCO. The Voc dropped by roughly 30Â mV when the i-ZnO thickness was increased from 20 to 160Â nm. This detrimental effect on Voc was not as prominent when a ZnO:Al TCO was used, where the corresponding decrease was in the range of 5 to 10Â mV. In addition, the Voc drop for the CVD i-ZnO/In2O3:H structure was not observed when using the sputtered i-ZnO layer. Furthermore, large fill factor variations were observed when using the In2O3:H TCO without an i-ZnO layer underneath, where already a thin (20Â nm) CVD i-ZnO layer mitigated this effect. Device simulations were applied to explain the experimentally observed Voc trends.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Thin Solid Films - Volume 633, 1 July 2017, Pages 235-238
Journal: Thin Solid Films - Volume 633, 1 July 2017, Pages 235-238
نویسندگان
Fredrik Larsson, Jan Keller, Marika Edoff, Tobias Törndahl,