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In this paper, we report the development of nano-dispersion-technology (NDT) for front silver solar paste manufacturing as opposed to the three-roll-milling (TRM) technology that is commercially available. The NDT showed uniform dispersion of the particles in the paste as revealed by the SEM analysis after printing and drying. Multicrystalline cells were fabricated using paste manufactuctured by NDT...
The metallization of silicon solar cells becomes more and more critical due to the recent soaring prices of silver. Flexographic printing can be used to deposit the seed layer in a “seed and plate” scheme to replace screen printing, classically employed in production lines but limited by its resolution. To develop the process, several inks prepared from standard screen printing paste were tested....
Using direct-write approaches in photovoltaics for metallization and contact formation can significantly reduce the cost per watt of producing photovoltaic devices. Inks have been developed for various materials, such as Ag, Cu, Ni and Al, which can be used to inkjet print metallizations for various kinds of photovoltaic devices. Use of these inks results in metallization with resistivity close to...
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