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Sub-Bandgap Luminescence from Doped Polycrystalline and Amorphous Silicon Films and Its Application to Understanding Passivating-Contact Solar Cells

Nguyen, Hieu; Liu, Anyao; Yan, Di; Guthrey, Harvey; Truong, Thien; Tebyetekerwa, Mike; Li, Ziyuan; Li, Zhuofeng; Al-Jassim, Mowafak M.; Cuevas, Andres; Macdonald, Daniel


We report luminescence phenomena from doped polycrystalline silicon (poly-Si) films and their applications to study carrier transport properties in passivating-contact solar cells. Low-temperature luminescence spectra emitted from doped poly-Si layers are found to be very broad and stretched from the crystalline silicon (c-Si) luminescence peak to significantly lower energies. This suggests that these layers contain radiative defect levels whose energies are continuously distributed from the...[Show more]

CollectionsANU Research Publications
Date published: 2018-10
Type: Journal article
Source: ACS Applied Energy Materials
DOI: 10.1021/acsaem.8b01561
Access Rights: Open Access


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