## Al-density variation as one driving force for void formation in PERC solar cells

2016
Journal article
Published
##### Published in
Physica status solidi : Rapid research letters ; 10 (2016), 7. - pp. 515-519. - ISSN 1862-6254. - eISSN 1862-6270
##### Abstract
The reduction of void formation in local Al contact structures is of high interest in studies dealing with passivated emitter and rear contact (PERC) solar cells. So far, several processing parameters and their impact on local contact formation were investigated in detail. However, up to now density variation of Al in dependence on temperature and Si content in the melt were not taken into account as a principal reason for void formation. In this context the current assumption of a constant volume of the Al paste particles is discussed in more detail. Based on the results of energy dispersive X-ray spectroscopy, void formation implies either an expansion of paste particles or their burst during contact Formation.
530 Physics
##### Cite This
ISO 690HORBELT, Renate, Stefanie EBERT, Vaidvile ULBIKAITE, Giso HAHN, Reinhart JOB, Barbara TERHEIDEN, 2016. Al-density variation as one driving force for void formation in PERC solar cells. In: Physica status solidi : Rapid research letters. 10(7), pp. 515-519. ISSN 1862-6254. eISSN 1862-6270. Available under: doi: 10.1002/pssr.201600078
BibTex
@article{Horbelt2016Alden-35808,
year={2016},
doi={10.1002/pssr.201600078},
title={Al-density variation as one driving force for void formation in PERC solar cells},
number={7},
volume={10},
issn={1862-6254},
journal={Physica status solidi : Rapid research letters},
pages={515--519},
author={Horbelt, Renate and Ebert, Stefanie and Ulbikaite, Vaidvile and Hahn, Giso and Job, Reinhart and Terheiden, Barbara}
}

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Yes