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- Title
The Q-Cells research line: a development tool for new silicon solar cell technologies.
- Authors
Fischer, Markus; Engeihart, Peter; Hinneburg, Helmut; Kienke, Christian; Mohr, Andreas; Müller, Jörg; Schmidt, Sven; Wachsmuth, Kevin; Wawer, Peter
- Abstract
This paper presents the Q-Cells research line (RL) as a core of the Reirier Lemoine Research Centre, including the technical set-up, the organization of the operation and current results of cell concepts processed in the RL on a regular basis. Trends of cell parameters for those processes are shown, and a focus is presented regarding the results of our high-efficiency cell concepts for multi- and monocyrstalline material processed in the RL with stabilized record efficiencies of 18.4% and 19.2%, respectively. In addition, we discuss the process flow and the results of a monitoring procedure that is used to check the rear-side passivation quality of the company's equipment. Results of our current passivation stack show a surface recombination velocity of below Srear < 10cm/s, well suited to fabricating p-type Si solar cells with efficiencies above 20%.
- Subjects
SILICON solar cells; PHOTOVOLTAIC cells; Q-Cells SE; MASS production; MANUFACTURING processes; INDUSTRIAL efficiency
- Publication
Photovoltaics International, 2011, Issue 12, p30
- ISSN
1757-1197
- Publication type
Article