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Modified PV structures with a nanostructured top electrode
Author(s): Rafał Pietruszka; Bartłomiej S. Witkowski; Monika Ożga; Małgorzata Łukasiewicz; Marek Godlewski
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Paper Abstract

Structured Silicon layers are used to improve light harvesting by Si-based solar cells. Microstructure of Si is obtained by a selective Si etching using aggressive solvents (acids like HF). In the approach discussed in this work a simplified architecture of solar cells is discussed. A structured electrode is formed by deposition of ZnO nanorods on top of p-type Si. This modification eliminates energy consuming and environmental unfriendly technological steps, as discussed. The so-obtained 3D top electrode consists of n-type ZnO:Al (AZO) layer grown on ZnMgO coated zinc oxide nanorods. AZO and ZnMgO films are deposited by Atomic Layer Deposition method (ALD). Advantages of this technique are first discussed. Several possible applications of the ALD are reviewed.

Paper Details

Date Published: 22 May 2018
PDF: 8 pages
Proc. SPIE 10688, Photonics for Solar Energy Systems VII, 106880K (22 May 2018); doi: 10.1117/12.2307382
Show Author Affiliations
Rafał Pietruszka, Institute of Physics, Polish Academy of Sciences (Poland)
Bartłomiej S. Witkowski, Institute of Physics, Polish Academy of Sciences (Poland)
Monika Ożga, Institute of Physics, Polish Academy of Sciences (Poland)
Małgorzata Łukasiewicz, Institute of Physics, Polish Academy of Sciences (Poland)
Marek Godlewski, Institute of Physics, Polish Academy of Sciences (Poland)


Published in SPIE Proceedings Vol. 10688:
Photonics for Solar Energy Systems VII
Ralf B. Wehrspohn, Editor(s)

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