26.7% Efficient 4-Terminal Perovskite-Silicon Tandem Solar Cell Composed of a High-Performance Semitransparent Perovskite Cell and a Doped Poly-Si/SiOx Passivating Contact Silicon Cell
Rohatgi, Ajeet, Zhu, Kai, Tong, Jinhui, Kim, Dong Hoe, Reichmanis, Elsa, Rounsaville, Brian, Prakash, Vivek, Ok, Young-Woo
Published in IEEE journal of photovoltaics (01.03.2020)
Published in IEEE journal of photovoltaics (01.03.2020)
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Journal Article
Analysis of the negative charges injected into a SiO2/SiNx stack using plasma charging technology for field‐effect passivation on a boron‐doped silicon surface
Min, Kwan Hong, Hwang, Jeong‐Mo, Cho, Eunwan, Song, Hee‐eun, Park, Sungeun, Rohatgi, Ajeet, Kim, Donghwan, Lee, Hae‐Seok, Kang, Yoonmook, Ok, Young‐Woo, Kang, Min Gu
Published in Progress in photovoltaics (01.01.2021)
Published in Progress in photovoltaics (01.01.2021)
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Journal Article
Hydrogen Sulfide Passivation for p-Type Passivated Emitter and Rear Contact Solar Cells
Mouri, Tasnim Kamal, Upadhyaya, Ajay, Rohatgi, Ajeet, Ok, Young-Woo, Upadhyaya, Vijaykumar, Rounsaville, Brian, Hua, Amandee, Hauschild, Dirk, Weinhardt, Lothar, Heske, Clemens, Das, Ujjwal K.
Published in IEEE journal of photovoltaics (01.03.2024)
Published in IEEE journal of photovoltaics (01.03.2024)
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Journal Article
Novel Process for Screen-Printed Selective Area Front Polysilicon Contacts for TOPCon Cells Using Laser Oxidation
Dasgupta, Sagnik, Ok, Young-Woo, Upadhyaya, Vijaykumar D., Choi, Wook-Jin, Huang, Ying-Yuan, Duttagupta, Shubham, Rohatgi, Ajeet
Published in IEEE journal of photovoltaics (01.11.2022)
Published in IEEE journal of photovoltaics (01.11.2022)
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Journal Article
Modeling the potential of screen printed front junction CZ silicon solar cell with tunnel oxide passivated back contact
Chen, Chia‐Wei, Hermle, Martin, Benick, Jan, Tao, Yuguo, Ok, Young‐Woo, Upadhyaya, Ajay, Tam, Andrew M., Rohatgi, Ajeet
Published in Progress in photovoltaics (01.01.2017)
Published in Progress in photovoltaics (01.01.2017)
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Journal Article
Fabrication and Modeling of High-Efficiency Front Junction N-Type Silicon Solar Cells With Tunnel Oxide Passivating Back Contact
Rohatgi, Ajeet, Rounsaville, Brian, Young-Woo Ok, Tam, Andrew M., Zimbardi, Francesco, Upadhyaya, Ajay D., Yuguo Tao, Madani, Keeya, Richter, Armin, Benick, Jan, Hermle, Martin
Published in IEEE journal of photovoltaics (01.09.2017)
Published in IEEE journal of photovoltaics (01.09.2017)
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Journal Article
Dose-dependency of contact resistance and sheet resistance of B-implanted emitters for N-type crystalline Si solar cells fabricated using screen-printed fire-through Ag/Al paste metallization process
Ok, Young-Woo, Kim, Jong-Hee, Upadhyaya, Vijaykumar D., Rohatgi, Ajeet, Hong, Chang-Hee, Choi, Chel-Jong
Published in Journal of the Korean Physical Society (01.04.2023)
Published in Journal of the Korean Physical Society (01.04.2023)
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Journal Article
Ion-implanted and screen-printed large area 20% efficient N-type front junction Si solar cells
Ok, Young-Woo, Upadhyaya, Ajay D., Tao, Yuguo, Zimbardi, Francesco, Ryu, Kyungsun, Kang, Moon-Hee, Rohatgi, Ajeet
Published in Solar energy materials and solar cells (01.04.2014)
Published in Solar energy materials and solar cells (01.04.2014)
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Journal Article
Patterning the Front Polysilicon Contact for Silicon Solar Cells using Laser Oxidation
Dasgupta, Sagnik, Padhamnath, Pradeep, Upadhyaya, Vijaykumar, Ok, Young-Woo, Zhong, Ruohan, Choi, Wookjin, Im, Kyu-Hyeon, Rohatgi, Ajeet
Published in 2023 IEEE 50th Photovoltaic Specialists Conference (PVSC) (11.06.2023)
Published in 2023 IEEE 50th Photovoltaic Specialists Conference (PVSC) (11.06.2023)
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Conference Proceeding
Investigation and Quantitative Understanding of Front Field Passivation in Rear Junction Selective Double-Side TOPCon Solar Cells
Choi, Wook-Jin, Ok, Young-Woo, Padhamnath, Pradeep, De Luna, Gabby, Min, Kwan Hong, Zhong, Ruohan, Dasgupta, Sagnik, Upadhyaya, Vijaykumar D, Upadhyaya, Ajay D, Rohatgi, Ajeet
Published in 2023 IEEE 50th Photovoltaic Specialists Conference (PVSC) (11.06.2023)
Published in 2023 IEEE 50th Photovoltaic Specialists Conference (PVSC) (11.06.2023)
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Conference Proceeding
P-Type Indium-Doped Passivated Emitter Rear Solar Cells (PERC) on Czochralski Silicon Without Light-Induced Degradation
Eunhwan Cho, Young-Woo Ok, Upadhyaya, Ajay D., Binns, Martin Jeff, Appel, Jesse, Guo, Jason, Rohatgi, Ajeet
Published in IEEE journal of photovoltaics (01.07.2016)
Published in IEEE journal of photovoltaics (01.07.2016)
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Journal Article
Study of degradation in bulk lifetime of n-type silicon wafer due to oxidation of boron-rich layer
Ryu, Kyungsun, Choi, Chel-Jong, Rohatgi, Ajeet, Ok, Young-Woo
Published in Current applied physics (01.05.2016)
Published in Current applied physics (01.05.2016)
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Journal Article
Investigation of Atomic Layer Deposition Al2O3 Passivation for Screen-Printed Large-Area Solar Cells
Kang, Moon Hee, Ok, Young-Woo, Rohatgi, Ajeet
Published in IEEE journal of photovoltaics (01.07.2016)
Published in IEEE journal of photovoltaics (01.07.2016)
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Journal Article