Title
CIGS cells with metallized front contact: Longer cells and higher efficiency
Author
van Deelen, J.
Frijters, C.
Publication year
2017
Abstract
We have investigated the benefit of a patterned metallization on top of a transparent conductive oxide in CIGS thin-film solar panels. It was found that cells with a grid have a higher efficiency compared to cells with only a TCO. This was observed for all cell lengths used. Furthermore, metallic grids enable increase of the cell length up to 10 mm virtually without reduction in efficiency. This result was obtained with a metallic grid of 20 μm wide and just 1.5 μm high. In addition, the following parameters were varied: TCO sheet resistance, the grid finger width and the finger height for cell lengths up to 40 mm. For cell lengths of 30 mm and 40 mm, wider and higher fingers have improved efficiency compared to fingers of 20 μm wide and 1.5 μm high, which is related to a higher fill factor.
Subject
Nano Technology
TFT - Thin Film Technology
TS - Technical Sciences
Materials
Industrial Innovation
Grids
Metallization
Thin-film
CIGS
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http://resolver.tudelft.nl/uuid:f81c1fe5-448f-4070-8ad7-dcf72a647c7a
TNO identifier
577032
Source
Solar Energy, 143 (February)
Document type
article