Tetradecahedral Cu@Ag core–shell powder with high solid-state dewetting and oxidation resistance for low-temperature conductive paste

Zeng, Yulian; Zou, Shuai; Chen, Zhenzhen; Lu, Zheng; Ni, Mengfei; Peng, Chen-Wei; Wang, Zipeng; Sun, Hua; Zhang, Xiaohong; Su, Xiaodong

doi:10.1039/d3ta06483b

J. Mater. Chem. A

2024

DOI: 10.1039/d3ta06483b

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Tetradecahedral Cu@Ag core–shell powder with high solid-state dewetting and oxidation resistance for low-temperature conductive paste

Yulian Zeng,

Shuai Zou,

Zhenzhen Chen

et al.

Abstract: We demonstrate a novel tetradecahedral Cu@Ag core–shell powder with large Ag shell grains, which has better solid-state dewetting resistance, oxidation resistance and conductivity compared to conventional spherical Cu@Ag core–shell powder.

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Cited by 3 publications

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Passivating Contacts for Crystalline Silicon Solar Cells: An Overview of the Current Advances and Future Perspectives

Li,

Xu,

Yan

et al. 2024

Advanced Energy Materials

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Solar photovoltaics (PV) are poised to be crucial in limiting global warming by replacing traditional fossil fuel generation. Within the PV community, crystalline silicon (c‐Si) solar cells currently dominate, having made significant efficiency breakthroughs in recent years. These advancements are primarily due to innovations in solar cell technology, particularly in developing passivating contact schemes. As such, this review article comprehensively examines the evolution of high‐efficiency c‐Si solar cells, adopting a historical perspective to investigate the advancements in passivation contact techniques and materials to state‐of‐the‐art cell designs. Additionally, this work deeply studies the recent advances and critical design principles underlying each developed passivation scheme. Eventually, this work identifies existing challenges and proposes insights into future directions for c‐Si solar cells through diverse passivating contact strategies.

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Passivating Contacts for Crystalline Silicon Solar Cells: An Overview of the Current Advances and Future Perspectives

Li,

Xu,

Yan

et al. 2024

Advanced Energy Materials

View full text Add to dashboard Cite

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Low‐Cost Metallization Based on Ag/Cu Fingers for Exceeding 25% Efficiency in Industrial Silicon Heterojunction Solar Cells

Du,

Huang,

et al. 2024

Solar RRL

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Although Ag‐coated Cu technology is considered to be an effective approach to mitigate the metallization expenses associated with silicon heterojunction (SHJ) solar cells, there is limited reporting on the photovoltaic performance and reliability of devices employing Ag/Cu electrodes. Here we have successfully fabricated industrial SHJ solar cells, yielding an average efficiency of 25.18% with bifacial Ag/Cu fingers, which caused a 0.13% decline in efficiency but saved 46% in Ag consumption when compared to traditional Ag fingers. Performance degradation is demonstrated to originate essentially from the front rather than rear Ag/Cu fingers, as revealed by a comprehensive analysis of resistance enhancement and optical loss. Notably, the Ag/Cu fingers exhibit a 1.4% lower printed qualification rate and similar high‐temperature stability in contrast to Ag fingers. Our results provide valuable insights for further optimization of low‐cost and high‐efficiency SHJ solar cells based on Ag/Cu electrodes.This article is protected by copyright. All rights reserved.

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Facile synthesis of dendritic Cu@Ag micropowders via electrochemical technique for efficient catalytic reduction of 4-Nitrophenol

Xu,

Lyu,

et al. 2025

Materials Letters

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Tetradecahedral Cu@Ag core–shell powder with high solid-state dewetting and oxidation resistance for low-temperature conductive paste

Abstract: We demonstrate a novel tetradecahedral Cu@Ag core–shell powder with large Ag shell grains, which has better solid-state dewetting resistance, oxidation resistance and conductivity compared to conventional spherical Cu@Ag core–shell powder.

Cited by 3 publications

References 57 publications

Passivating Contacts for Crystalline Silicon Solar Cells: An Overview of the Current Advances and Future Perspectives

Passivating Contacts for Crystalline Silicon Solar Cells: An Overview of the Current Advances and Future Perspectives

Low‐Cost Metallization Based on Ag/Cu Fingers for Exceeding 25% Efficiency in Industrial Silicon Heterojunction Solar Cells

Facile synthesis of dendritic Cu@Ag micropowders via electrochemical technique for efficient catalytic reduction of 4-Nitrophenol

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