Design considerations for industrial rear passivated solar cells

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LAUERMANN, Thomas, Benjamin FRÖHLICH, Giso HAHN, Barbara TERHEIDEN, 2012. Design considerations for industrial rear passivated solar cells. 2012 IEEE 38th Photovoltaic Specialists Conference (PVSC). Austin, TX, USA, Jun 3, 2012 - Jun 8, 2012. In: 2012 38th IEEE Photovoltaic Specialists Conference. IEEE, pp. 001710-001715. ISBN 978-1-4673-0064-3. Available under: doi: 10.1109/PVSC.2012.6317925

@inproceedings{Lauermann2012-06Desig-22493, title={Design considerations for industrial rear passivated solar cells}, year={2012}, doi={10.1109/PVSC.2012.6317925}, isbn={978-1-4673-0064-3}, publisher={IEEE}, booktitle={2012 38th IEEE Photovoltaic Specialists Conference}, pages={001710--001715}, author={Lauermann, Thomas and Fröhlich, Benjamin and Hahn, Giso and Terheiden, Barbara} }

2013-03-19T14:12:22Z terms-of-use Fröhlich, Benjamin Fröhlich, Benjamin Hahn, Giso Hahn, Giso Lauermann, Thomas eng Terheiden, Barbara In this work, the solar cell development issues arising by adding a dielectric rear side passivation to a standard screen-printing process are discussed with deposited Al<sub>2</sub>O<sub>3</sub> on p-type Cz-Si as an example. The influence of several design parameters is assessed in simulation and experiment and an optimization strategy is presented. These parameters include optical properties of the cell, like the choice of dielectric layer thickness and wafer surface roughness, parameters that influence the passivation quality like the temperature of the co-firing step in a belt furnace as well as electrical parameters like contact geometry, contact spacing and base resistivity. Their influence on the three efficiency-determining quantities, V<sub>OC</sub>, J<sub>SC</sub> and FF is outlined. Special attention is paid to minimizing the inevitable loss in FF in a PERC design. Lauermann, Thomas 38th IEEE Photovoltaic Specialists Conference (PVSC), 2012 : 3 - 8 June 2012, Austin Convention Center, Austin, Texas / IEEE; Electron Devices Society ... - Piscataway, NJ : IEEE, 2012. - S. 1710-1715. - ISBN 978-1-4673-0064-3 Terheiden, Barbara Design considerations for industrial rear passivated solar cells 2013-03-19T14:12:22Z 2012-06

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