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Electrochemical dep...
Electrochemical deposition of buried contacts in high-efficiency crystalline silicon photovoltaic cells
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- Jensen, J.A.D. (författare)
- Linköpings universitet,Tunnfilmsfysik,Tekniska högskolan
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- Moller, P. (författare)
- Møller, P., Department of Mfg. Eng. and Mgmt., The Technical University of Denmark, Lyngby DK-2800, Denmark
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- Bruton, T. (författare)
- BP Solar, European Technology Centre, Sunbury, United Kingdom
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- Mason, N. (författare)
- BP Solar, European Technology Centre, Sunbury, United Kingdom
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- Russell, R. (författare)
- BP Solar, European Technology Centre, Sunbury, United Kingdom
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- Hadley, J. (författare)
- Enthone, s-Herrogenbosch, Netherlands
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- Verhoeven, P. (författare)
- Enthone, s-Herrogenbosch, Netherlands
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- Matthewson, A. (författare)
- The Natl. Microelectronics Res. Ctr., University College Cork, Cork, Ireland
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(creator_code:org_t)
- The Electrochemical Society, 2003
- 2003
- Engelska.
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Ingår i: Journal of the Electrochemical Society. - : The Electrochemical Society. - 0013-4651 .- 1945-7111. ; 150:1
- Relaterad länk:
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https://backend.orbi...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
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- This article reports on a newly developed method for electrochemical deposition of buried Cu contacts in Si-based photovoltaic (PV) cells. Contact grooves, 20 µm wide by 40 µm deep, were laser-cut into Si PV cells, hereafter applied with a thin electroless NiP base and subsequently filled with Cu by electrochemical deposition at a rate of up to 10 µm per min. With the newly developed process, void-free, superconformal Cu-filling of the laser-cut grooves was observed by scanning electron microscopy and focused ion beam techniques. The Cu microstructure in grooves showed both bottom and sidewall texture, with a grain-size decreasing from the center to the edges of the buried Cu contacts and a pronounced lateral growth outside the laser-cut grooves. The measured specific contact resistances of the buried contacts was better than the production standard. Overall performance of the new PV cells was equal to the production standard with measured efficiencies up to 16.9%.
Nyckelord
- NATURAL SCIENCES
- NATURVETENSKAP
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