DOE OSTI · 2466161
Exploring the Performance and Reliability of Screen-Printable Fire-Through Copper Paste on PERC Solar Cells
Abstract
For 40 TW of PV required to transition our planet to 100% renewables, the silver (Ag) should disappear from PV production. Advantages of copper (Cu) over silver (Ag) include 1) bulk Cu has a similar conductivity to Ag (1.7 mu O-cm for Cu, 1.6 mu O-cm for Ag) and 2) Cu is approximately 100 times cheaper than Ag, making it an excellent potential replacement. Problems associated with copper (Cu) contacts include 1) easy oxidation and 2) diffusion into the Si cell and recombination activity.
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Mitra, Suchismita, Johnston, Steve (ORCID:0000000333088267), Guthrey, Harvey (ORCID:0000000315743379), Hacke, Peter, Dharmadasa, Ruvini, Druffel, Thad, Elmer, Kevin, Nambo, Apolo, Williams, Dustin, Upadhyaya, Ajay, Upadhyaya, Vijaykumar D., Rohatgi, Ajeet, Stradins, Paul. 2024-10-07. Exploring the Performance and Reliability of Screen-Printable Fire-Through Copper Paste on PERC Solar Cells. https://www.osti.gov/biblio/2466161
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