Interface Modification in Solar Cell Contact Electrode Using Pre-Cleaning Treatment Chemistries

Title
Interface Modification in Solar Cell Contact Electrode Using Pre-Cleaning Treatment Chemistries
Authors
Yinhua CuiAreum KimSeonjea LeeEunmi Choi윤성필Sung Gyu Pyo
Keywords
Ni/Cu Plating; Solar Electrode; Electroless Plating
Issue Date
2014-12
Publisher
Journal of nanoscience and nanotechnology
Citation
VOL 14, NO 12, 9401-9405
Abstract
Promoting and employing photovoltaic power as an alternative energy source, the solar cell industry has made rapid strides. However, improving the efficiency of these solar cells using low-cost fabrication processes is still needed. The interface between the Si surface and the electrode plays a very important role in the process of electrode formation of the solar cell. In this study, the electrode interface underwent four different pre-treatments in order to enhance the efficiency of Si-based solar cells. We analyzed the adhesion properties at the interface between the Si wafer and the electrode and conducted an analysis of the variation in contact resistance between the two contact surfaces. To reduce the cost of the entire experiment, we replaced the existing Ag screen printing-based electrode fabrication method with a low-temperature, low-cost Ni/Cu electroless plating method. The test cells exhibited improved adhesion and therefore improved efficiency as compared to cells treated with the currently used diluted HF.
URI
http://pubs.kist.re.kr/handle/201004/48529
ISSN
15334880
Appears in Collections:
KIST Publication > Article
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