Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.solmat.2020.110751
Title: Progress in screen-printed metallization of industrial solar cells with SiO<inf>x</inf>/poly-Si passivating contacts
Authors: PADHAMNATH PRADEEP 
ANKIT KHANNA 
Balaji, N
SHANMUGAM VINODH 
NAOMI NANDAKUMAR 
Wang, D
Sun, Q
Huang, M
Huang, S
Fan, B
Ding, B
ABERLE,ARMIN GERHARD 
SHUBHAM DUTTAGUPTA 
Issue Date: 1-Dec-2020
Publisher: Elsevier BV
Citation: PADHAMNATH PRADEEP, ANKIT KHANNA, Balaji, N, SHANMUGAM VINODH, NAOMI NANDAKUMAR, Wang, D, Sun, Q, Huang, M, Huang, S, Fan, B, Ding, B, ABERLE,ARMIN GERHARD, SHUBHAM DUTTAGUPTA (2020-12-01). Progress in screen-printed metallization of industrial solar cells with SiOx/poly-Si passivating contacts. Solar Energy Materials and Solar Cells 218 : 110751-110751. ScholarBank@NUS Repository. https://doi.org/10.1016/j.solmat.2020.110751
Abstract: Solar cells with polysilicon-based passivating and carrier selective contacts are in the nascent stages of industrialization. Advances in commercially available metallization pastes are necessary to further improve the efficiency of industrial polysilicon-based solar cells and approach the best-reported lab efficiency of such cells. In this work, we have analyzed the front and rear screen-printed metallization of large-area n-type monoPolyTM cells with rear-side low-pressure chemical vapor deposited (LPCVD) polysilicon. Metallization pastes specifically optimized for contacting poly-Si layers are used in this work. The metallization is evaluated by studying its impact on the solar cell performance and by further electrical and optical characterization. An efficiency improvement of 0.5% absolute is demonstrated due to improvements in metallization pastes with a 23% champion cell efficiency (cell area: 244.3 cm2, busbarless metallization). An analysis of the fabricated cells indicates that the efficiency is currently limited by recombination at the front surface, both at the passivated and the metallized regions.
Source Title: Solar Energy Materials and Solar Cells
URI: https://scholarbank.nus.edu.sg/handle/10635/177088
ISSN: 0927-0248
DOI: 10.1016/j.solmat.2020.110751
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