Realization of screen-printed silver paste grid contacts in the III-V solar cell

The integration of screen-printed silver paste with III-V solar cells offers a promising approach to broaden potential application. Nonetheless, the challenge of establishing an ohmic contact between the narrow linewidth paste electrodes and the III-V contact layer remains unresolved. In this study,...

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Main Authors: Qiangjian Sun, Junhua Long, Pan Dai, Xinzhou Wu, Erpeng Li, Min Zhou, Xiaoxu Wu, Zhitao Chen, Menglu Yu, Shuhong Nie, Qing Gong, Wencong Yan, Wenming Su, Shulong Lu
Format: Article
Language:English
Published: Elsevier 2025-10-01
Series:Materials & Design
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Online Access:http://www.sciencedirect.com/science/article/pii/S0264127525009979
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author Qiangjian Sun
Junhua Long
Pan Dai
Xinzhou Wu
Erpeng Li
Min Zhou
Xiaoxu Wu
Zhitao Chen
Menglu Yu
Shuhong Nie
Qing Gong
Wencong Yan
Wenming Su
Shulong Lu
author_facet Qiangjian Sun
Junhua Long
Pan Dai
Xinzhou Wu
Erpeng Li
Min Zhou
Xiaoxu Wu
Zhitao Chen
Menglu Yu
Shuhong Nie
Qing Gong
Wencong Yan
Wenming Su
Shulong Lu
author_sort Qiangjian Sun
collection DOAJ
description The integration of screen-printed silver paste with III-V solar cells offers a promising approach to broaden potential application. Nonetheless, the challenge of establishing an ohmic contact between the narrow linewidth paste electrodes and the III-V contact layer remains unresolved. In this study, the screen-printing technology was developed to replace conventional alloy electrodes in III-V solar cells. The contact resistance between silver pastes and the InGaAs contact layer was systematically optimized, yielding a specific contact resistance of 5.79 × 10-5 Ω·cm2 at a low-temperature annealing of 300 °C. The performance enhancement is attributed to the capacity of silver particles in the paste to form interparticle contacts, thereby constructing efficient conductive pathways and reducing intrinsic resistance. Furthermore, the silver diffusion into the contact layer enhances the likelihood of the tunneling effect. To mitigate shadowing losses associated with screen-printed electrodes, the knotless grid design enabled the narrow grid line width of 26 μm in the InGaAs solar cell. The photovoltaic conversion efficiency of the screen-printed InGaAs solar cell reached 10.30 % under the AM1.5G spectrum, comparable to that of cells prepared by conventional e-beam and photolithography techniques.
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spelling doaj-art-3ea809e1a8bd415f8fe0a0814ce37ace2025-08-24T05:11:20ZengElsevierMaterials & Design0264-12752025-10-0125811457710.1016/j.matdes.2025.114577Realization of screen-printed silver paste grid contacts in the III-V solar cellQiangjian Sun0Junhua Long1Pan Dai2Xinzhou Wu3Erpeng Li4Min Zhou5Xiaoxu Wu6Zhitao Chen7Menglu Yu8Shuhong Nie9Qing Gong10Wencong Yan11Wenming Su12Shulong Lu13Key Laboratory of Nanodevices and Applications, Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO), Chinese Academy of Sciences (CAS), Suzhou 215123, China; Corresponding authors.Key Laboratory of Nanodevices and Applications, Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO), Chinese Academy of Sciences (CAS), Suzhou 215123, China; Corresponding authors.School of Information Engineering, Huzhou University, Huzhou 313000, ChinaKey Laboratory of Nanodevices and Applications, Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO), Chinese Academy of Sciences (CAS), Suzhou 215123, China; Printable Electronics Research Center, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, People's Republic of ChinaKey Laboratory of Nanodevices and Applications, Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO), Chinese Academy of Sciences (CAS), Suzhou 215123, China; School of Information Engineering, Huzhou University, Huzhou 313000, ChinaKey Laboratory of Nanodevices and Applications, Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO), Chinese Academy of Sciences (CAS), Suzhou 215123, China; Corresponding authors.Key Laboratory of Nanodevices and Applications, Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO), Chinese Academy of Sciences (CAS), Suzhou 215123, China; School of Nano-Tech and Nano-Bionics, University of Science and Technology of China (USTC), Hefei 230026, ChinaKey Laboratory of Nanodevices and Applications, Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO), Chinese Academy of Sciences (CAS), Suzhou 215123, China; School of Nano-Tech and Nano-Bionics, University of Science and Technology of China (USTC), Hefei 230026, ChinaKey Laboratory of Nanodevices and Applications, Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO), Chinese Academy of Sciences (CAS), Suzhou 215123, China; School of Nano-Tech and Nano-Bionics, University of Science and Technology of China (USTC), Hefei 230026, ChinaKey Laboratory of Nanodevices and Applications, Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO), Chinese Academy of Sciences (CAS), Suzhou 215123, China; Printable Electronics Research Center, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, People's Republic of ChinaKey Laboratory of Nanodevices and Applications, Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO), Chinese Academy of Sciences (CAS), Suzhou 215123, China; School of Nano-Tech and Nano-Bionics, University of Science and Technology of China (USTC), Hefei 230026, ChinaKey Laboratory of Nanodevices and Applications, Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO), Chinese Academy of Sciences (CAS), Suzhou 215123, China; School of Nano-Tech and Nano-Bionics, University of Science and Technology of China (USTC), Hefei 230026, ChinaKey Laboratory of Nanodevices and Applications, Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO), Chinese Academy of Sciences (CAS), Suzhou 215123, China; Printable Electronics Research Center, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, People's Republic of ChinaKey Laboratory of Nanodevices and Applications, Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO), Chinese Academy of Sciences (CAS), Suzhou 215123, China; Corresponding authors.The integration of screen-printed silver paste with III-V solar cells offers a promising approach to broaden potential application. Nonetheless, the challenge of establishing an ohmic contact between the narrow linewidth paste electrodes and the III-V contact layer remains unresolved. In this study, the screen-printing technology was developed to replace conventional alloy electrodes in III-V solar cells. The contact resistance between silver pastes and the InGaAs contact layer was systematically optimized, yielding a specific contact resistance of 5.79 × 10-5 Ω·cm2 at a low-temperature annealing of 300 °C. The performance enhancement is attributed to the capacity of silver particles in the paste to form interparticle contacts, thereby constructing efficient conductive pathways and reducing intrinsic resistance. Furthermore, the silver diffusion into the contact layer enhances the likelihood of the tunneling effect. To mitigate shadowing losses associated with screen-printed electrodes, the knotless grid design enabled the narrow grid line width of 26 μm in the InGaAs solar cell. The photovoltaic conversion efficiency of the screen-printed InGaAs solar cell reached 10.30 % under the AM1.5G spectrum, comparable to that of cells prepared by conventional e-beam and photolithography techniques.http://www.sciencedirect.com/science/article/pii/S0264127525009979Screen-printedIII-V solar cellsSilver pasteOhmic contactAnnealing
spellingShingle Qiangjian Sun
Junhua Long
Pan Dai
Xinzhou Wu
Erpeng Li
Min Zhou
Xiaoxu Wu
Zhitao Chen
Menglu Yu
Shuhong Nie
Qing Gong
Wencong Yan
Wenming Su
Shulong Lu
Realization of screen-printed silver paste grid contacts in the III-V solar cell
Materials & Design
Screen-printed
III-V solar cells
Silver paste
Ohmic contact
Annealing
title Realization of screen-printed silver paste grid contacts in the III-V solar cell
title_full Realization of screen-printed silver paste grid contacts in the III-V solar cell
title_fullStr Realization of screen-printed silver paste grid contacts in the III-V solar cell
title_full_unstemmed Realization of screen-printed silver paste grid contacts in the III-V solar cell
title_short Realization of screen-printed silver paste grid contacts in the III-V solar cell
title_sort realization of screen printed silver paste grid contacts in the iii v solar cell
topic Screen-printed
III-V solar cells
Silver paste
Ohmic contact
Annealing
url http://www.sciencedirect.com/science/article/pii/S0264127525009979
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