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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:


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.