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Volume: 28 | Article ID: art00047_1
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Front Side Metallization Issues of a Solar Cell with Ink-jet Printing
  DOI :  10.2352/ISSN.2169-4451.2012.28.1.art00047_1  Published OnlineJanuary 2012
Abstract

The metallization of a multi-crystalline silicon solar cell has been challenged because the thickness reduction of a solar cell wafer decreases the breaking force of a solar cell wafer. Therefore, ink-jet printing has drawn attention of researchers in the art in place of conventional screen printing which requires the direct contact with a solar cell wafer to transfer silver paste. In this study, a preliminary study for the front side metallization of a solar cell wafer with ink-jet printing was conducted. Firstly, multicrystalline silicon solar cell wafers, the size of which is 156 mm by 156 mm, were coated with a 0.2 wt% fluorocarbon solution. After laser-patterning to selectively remove the SiNx layer and prepare for the surface energy patterned finger electrode regions, silver nanoparticulate ink was delivered with a piezo Drop-On-Demand ink-jet print head and baked at the peak temperature of 830 °C after drying at 100 °C. The measured cell efficiency of an ink-jet metallized solar cell was about 12.1% and the cause of the low cell efficiency is addressed here.

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Dong-Youn Shin, Yong-Kee Cha, Han-Hee Ryu, "Front Side Metallization Issues of a Solar Cell with Ink-jet Printingin Proc. IS&T Int'l Conf. on Digital Printing Technologies and Digital Fabrication (NIP28),  2012,  pp 159 - 161,  https://doi.org/10.2352/ISSN.2169-4451.2012.28.1.art00047_1

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