Characterization and Modeling of 24.3% Copper Contacted n-TOPCon Solar Cell with Screen Printable Copper Pastes
Ruohan Zhong, Vijaykumar Upadhyaya, Venkata Sai Aditya Mulkaluri, Sagnik Dasgupta, Wook-Jin Choi, Young Woo Ok, Kevin Elmer, Ruvini Dharmadasa, Erin Yenney, Apolo Nambo, Thad Druffel, Ajeet Rohatgi
Session: Novel Metallization, and High Efficiency Contacts - Area 4 (Live Event)

Ag-free Solar Cell Featuring Passivating Contacts with Screen-printed Front Al and Rear Cu Contact with Laser-enhanced Contact Optimization
Ruohan Zhong, Byungsul Min, Vijaykumar Upadhyaya, Sebastian Junge, Young Woo Ok, Brian Rounsaville, Rolf Brendel, Ajeet Rohatgi
Session: Posters - Area 4 (On-Demand)

Microscopic Insights into the Mechanism of LECO-Enabled Fire-through Cu Contact Formation on n-TOPCon
Sagnik Dasgupta, Ruohan Zhong, Harvey Gutthrey, Mengkun Tian, Vijaykumar Upadhyaya, Venkata S. A. Mulkaluri, Donald Intal, Wook-Jin Choi, Young-Woo Ok, Pauls Stradins, Abasifreke Ebong, Ruvini Dharmadasa, Thad Druffel, Ajeet Rohatgi
Session: High Efficiency, Device Physics, Thin Si, and Reliability - Area 4 (Live Event)

Microscopic Insights into the Mechanism of LECO-Enabled Fire-through Cu Contact Formation on n-TOPCon
Sagnik Dasgupta, Ruohan Zhong, Harvey Gutthrey, Mengkun Tian, Vijaykumar Upadhyaya, Venkata S. A. Mulkaluri, Donald Intal, Wook-Jin Choi, Young-Woo Ok, Pauls Stradins, Abasifreke Ebong, Ruvini Dharmadasa, Thad Druffel, Ajeet Rohatgi
Session: Posters - Area 4 (On-Demand)

Development of high-temperature resistant double side (DS) TOPCon architecture for the bottom Si solar cells of perovskite/Si tandem cell
Sagnik Dasgupta, Kwan Hong Min, Wook-Jin Choi, Ajeet Rohatgi, Young-Woo Ok, Yanfa Yan, Zhaoning Song
Session: Posters - Area 4 (On-Demand)

Critical look at the atmospheric Cu fire-through dielectric metallization for cost-effective and high efficiency silicon solar cells
Donald Intal, Sandra Huneycutt, Abasifreke Ebong, Ajeet Rohatgi, Vijay Upadhyaya, Sagnik Dasgupta, Ruohan Zhong, Thad Druffel, Ruvini Dharmadasa
Session: Novel Metallization, and High Efficiency Contacts - Area 4 (Live Event)

Neutralization of the impact of belt speed on screen printed copper metallization by LECO on PERC homogeneous emitter
Abasifreke Ebong, Donald Intal, Sandra Huneycutt, Ajeet Rohatgi, Vijay Upadhyaya, Sagnik Dasgupta, Ruohan Zhong, Thad Druffel, Ruvini Dharmadasa
Session: Advanced Characterization, and Modules - Area 4 (Live Event)

Microscopic Analysis of LECO-induced Modification of Ag-Polysilicon Contact Interface in Double-Side TOPCon Solar Cells
Wook-Jin Choi, Young-Woo Ok, Kwan Hong Min, Sagnik Dasgupta, Ruohan Zhong, Ajeet Rohatgi
Session: Novel Metallization, and High Efficiency Contacts - Area 4 (Live Event)

Mitigating the contact resistance limitation of cavitated fine line Ag paste by Laser-Enhanced Contact Optimization
Donald Intal, Abasifreke Ebong, Vijay Upadhyaya, Brian Rounsaville, Ajeet Rohatgi, Dana Hankey, Marshall Tibbetts
Session: Posters - Area 4 (On-Demand)