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http://hdl.handle.net/1942/22485
Title: | Efficiency enhancement of i-PERC solar cells by implementation of a laser doped selective emitter | Authors: | Hallam, Brett Uruena, Angel Russell, Richard Aleman, Monica Abbott, Malcolm Dang, Chi Wenham, Stuart TOUS, Loic POORTMANS, Jef |
Issue Date: | 2015 | Publisher: | ELSEVIER SCIENCE BV | Source: | SOLAR ENERGY MATERIALS AND SOLAR CELLS, 134, p. 89-98 | Abstract: | In this work, we present the incorporation of a laser doped selective emitter into the i-PERC platform at Imec using large area magnetically confined boron-doped Czochralski grown silicon wafers. Cells were fabricated with self-aligned plated n-type contacts with a comparison between the use of a homogenous emitter with contact openings formed by picosecond laser ablation and a selective emitter formed by laser doping with a mode-locked UV laser using various processing speeds. Without modification to other processes in the i-PERC platform, improvements in efficiency of approximately 0.4% absolute were obtained with the inclusion of the selective emitter structure through improvements in open circuit voltage, fill factor and reduced series resistance. This resulted in peak efficiencies of 20.5% using a processing speed for laser doping of 5 m/s. (C) 2014 Elsevier B.V. All rights reserved. | Notes: | [Hallam, Brett; Abbott, Malcolm; Wenham, Stuart] Univ New S Wales, Sch Photovolta & Renewable Energy Engn, Sydney, NSW 2052, Australia. [Uruena, Angel; Russell, Richard; Aleman, Monica; Dang, Chi; Tous, Loic; Poortmans, Jef] IMEC, B-3001 Louvain, Belgium. [Hallam, Brett; Uruena, Angel; Dang, Chi; Tous, Loic; Poortmans, Jef] Katholieke Univ Leuven, B-3000 Louvain, Belgium. [Poortmans, Jef] UHasselt, B-3590 Diepenbeek, Hasselt, Belgium. | Keywords: | Laser doping; Laser ablation; Plated contacts; PERC; Selective emitter;laser doping; laser ablation; plated contacts; PERC; selective emitter | Document URI: | http://hdl.handle.net/1942/22485 | ISSN: | 0927-0248 | e-ISSN: | 1879-3398 | DOI: | 10.1016/j.solmat.2014.11.028 | ISI #: | 000349728100012 | Rights: | © 2014 Elsevier B.V. All rights reserved. | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2016 |
Appears in Collections: | Research publications |
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