Title:	Metallization Grid on Azo by Electrodeposition of Copper
Author(s):	A. Lachowicz, G. Christmann, A. Descoeudres, B. Min, S. Bordihn, R. Peibst, S. Nicolay, C. Ballif
Keywords:	CIGS, Solar Cells, Copper Plating, Aluminum Zin Oxide
Topic:	Perovskites, other Non-Silicon-Based Photovoltaics and Multi-Junction Devices
Subtopic:	CI(G)S, CdTe and Related Thin Film Solar Cells
Event:	36th European Photovoltaic Solar Energy Conference and Exhibition
Session:	3BV.1.28
Pages:	677 - 678
ISBN:	3-936338-60-4
Paper DOI:	10.4229/EUPVSEC20192019-3BV.1.28
Price:	0,00 EUR
Document(s):	paper

Abstract/Summary:

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Aluminum zinc oxide is chemically very sensitive and wet processing solutions have to be carefully chosen. We present a process sequence for electrodeposition of copper on solar cells, originally developed for heterojunction cells with indium thin oxide and modified for solar cells with aluminum zinc oxide. The process comprises a sputtered seed layer and patterning by hotmelt inkjet printing. High efficiency above 24.7% and excellent reliability have been demonstrated on heterojunction cells with ITO, good fill factor achieved on c-Si cells with poly-Si carrier selective contacts with AZO and the process has been demonstrated on industrial CIGS substrates.