Please use this identifier to cite or link to this item: https://doi.org/10.1002/pip.3097
Title: Approaching 23% with large-area monoPoly cells using screen-printed and fired rear passivating contacts fabricated by inline PECVD
Authors: Nandakumar, Naomi 
Rodriguez, John 
Kluge, Thomas
Grosse, Thomas
Fondop, Lauretta
Padhamnath, Pradeep 
Balaji, Nagarajan 
Koenig, Marcel
Duttagupta, Shubham 
Keywords: Science & Technology
Technology
Physical Sciences
Energy & Fuels
Materials Science, Multidisciplinary
Physics, Applied
Materials Science
Physics
industrial firing
industrial process
large-area
passivated contacts
PECVD
screen-printed
silicon wafer
solar cells
SI SOLAR-CELLS
EFFICIENCY
RECOMBINATION
TRANSISTORS
Issue Date: 1-Feb-2019
Publisher: WILEY
Citation: Nandakumar, Naomi, Rodriguez, John, Kluge, Thomas, Grosse, Thomas, Fondop, Lauretta, Padhamnath, Pradeep, Balaji, Nagarajan, Koenig, Marcel, Duttagupta, Shubham (2019-02-01). Approaching 23% with large-area monoPoly cells using screen-printed and fired rear passivating contacts fabricated by inline PECVD. PROGRESS IN PHOTOVOLTAICS 27 (2) : 107-112. ScholarBank@NUS Repository. https://doi.org/10.1002/pip.3097
Abstract: © 2018 John Wiley & Sons, Ltd. We present n-type bifacial solar cells with a rear interfacial SiO x /n + :poly-Si passivating contact (‘monoPoly’ cells) where the interfacial oxide and n + :poly-Si layers are fabricated using an industrial inline plasma-enhanced chemical vapor deposition (PECVD) tool. We demonstrate outstanding passivation quality with dark saturation current density (J 0 ) values of approximately 3 fA/cm 2 and implied open-circuit voltage (iV oc ) of 730 mV at 1-sun conditions after firing in an industrial belt furnace. Using a simple solar cell process flow that can be easily adapted for mass production, a peak cell efficiency of 22.8% with a cell open circuit voltage (V oc ) of 696 mV is achieved on large-area, screen-printed, Czochralski-silicon (Cz-Si) solar cells using commercial fire-through metal pastes.
Source Title: PROGRESS IN PHOTOVOLTAICS
URI: https://scholarbank.nus.edu.sg/handle/10635/155040
ISSN: 1062-7995
1099-159X
DOI: 10.1002/pip.3097
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