Achieving 21.4% Efficient CdSeTe/CdTe Solar Cells Using Highly Resistive Intrinsic ZnO Buffer Layers
Luksa Kujovic,
Xiaolei Liu,
Ali Abbas
et al.
Abstract:In this study, the use of intrinsic and highly insulating ZnO buffer layers to achieve high conversion efficiencies in CdSeTe/CdTe solar cells is reported. The buffer layers are deposited on commercial SnO2:F coated soda‐lime glass substrates and then fabricated into arsenic‐doped CdSeTe/CdTe devices using an absorber and back contact deposited by First Solar. The ZnO thickness is varied from 30 to 200 nm. The devices incorporating a 50 nm ZnO buffer layer achieved an efficiency of 21.23% without an anti‐refle… Show more
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