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DuPont Solamet - Model PV21A - Photovoltaic Metallization Paste for Front Side/Single-Print Cells
Our front side paste is a highly conductive silver composition and delivers superior efficiency for P-type Solar Cells. It enables finer line design, excellent printability, and is able to be co-fired with back side (p-type) aluminum conductors and tabbing silver such as Solamet® PV5xx. It is designed for rapid dry and fast (spike) firing for P-type solar cells, LDE and PERC which provides further aspect ratio improvement and superior contact.
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- Enhanced organic design improves fine line printing with better aspect ratio
- Enables extreme Lightly Doped Emitters (LDE) by reducing contact resistance and optimizes overall cell performance as a result of fill factor (FF) and open circuit voltage (Voc) improvement
- Improved efficiency up to 0.1% over DuPont™ Solamet® PV20x series
- Superior metallization contact on LDE/ ultra LDE (standard or
- PERC cell)
- Excellent ink transfer capability at versatile fine line design
- High electrical conductivity after firing
- Reduced carrier recombination at Ag/Si interface
- Optimized for low stress and good soldered adhesion with excellent
- solderability
- Fast drying and firing
- Cadmium free*
*Cadmium ‘free’ as used herein means that cadmium is not an intentional ingredient in and is not intentionally added to the referenced product. Trace amounts however may be present.