Development of nanoparticle copper screen printing pastes for silicon heterojunction solar cells

Teo, Boon Heng Dennis; Khanna, Anuradha; Shanmugam, Vinodh; Aguilar, Ma Luisa O.; Santos, Maryknol Estrada Delos; Chua, Darius Jin Wen; Chang, Wei‐Chen; Mueller, Thomas

doi:10.1016/j.solener.2019.07.055

Cited by 29 publications

(12 citation statements)

References 24 publications

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“…The copper powder, glass powder, and silver powder are taken as examples to prove that the pastes obtained from the organic medium with excellent performance also have outstanding properties. , The photograph and surface morphology of copper powder are shown in Figure a,b. The particle size of copper powder is 2–4 μm.…”

Section: Resultsmentioning

confidence: 99%

“…studied the influence of ethyl cellulose content on the rheological performance of the ceramic pastes, ultimately reflecting in the result of screen printing. Studies performed by Xu et al studied the relationship between the rheological performance of solder paste and the printing properties. , Meanwhile, Bukat et al reported how the content of silver nanoparticles affects the wettability between the Sn–Ag–Cu solder pastes and the copper matrix. Mbokou et al studied the hydrophobic character of the electrode surface by the contact angle measurements.…”

Section: Introductionmentioning

confidence: 99%

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General Control Method of Wettability and Rheological Properties of Organic Medium—A Key Material for Electronic Paste

Cui

Wang

2021

ACS Appl. Electron. Mater.

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Electronic paste features high quality, high efficiency, advanced technology, and wide application range, attracting tremendous attention in the field of information and electronics. However, few studies have been carried out to focus on the organic medium, a key material for electronic paste. Herein, a general method for controlling the wettability and rheological properties of organic medium is presented by introducing a contact angle meter and rheometer. When DGME/TE = 1:1, the contact angle between the solvent and the diverse bases is the smallest, indicating that the solvent has the best wettability. This method provides an idea for choosing the solvent. Meanwhile, by comparing the recovery rates of the three binders with different contents, acrylic resin always shows a better recovery rate. Subsequently, when HCO/PW = 1:1, organic medium exhibits excellent thixotropy. The three-interval thixotropy shear test through the rheometer allows for finding general guidelines for the selection of binders and thixotropic agents. This work provides a valuable guidance for designing organic medium for electronic paste in the future research.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

General Control Method of Wettability and Rheological Properties of Organic Medium—A Key Material for Electronic Paste

Cui

Wang

2021

ACS Appl. Electron. Mater.

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“…[103,104,153] The application of screen-printable copper paste on solar cells has been studied as it can be easily applied to established cell production lines. Copper paste for low-temperature curing has been researched as a promising product by some groups such as Dow Corning, AIST Japan, Samsung, et al [154,155] The main issues of developing copper paste are the prevention of copper oxidation during annealing and the diffusion into the silicon substrate. Copper paste applications in SHJ solar cells have higher potential because the TCO layer acts as a diffusion barrier for copper at low curing temperatures.…”

Section: Low Cost Metal Electrodesmentioning

confidence: 99%

Toward Efficiency Limits of Crystalline Silicon Solar Cells: Recent Progress in High‐Efficiency Silicon Heterojunction Solar Cells

Sun

Chen

et al. 2022

Advanced Energy Materials

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Photovoltaic (PV) technology is ready to become one of the main energy sources of, and contributers to, carbon neutrality by the mid‐21st century. In 2020, a total of 135 GW of PV modules were produced. Crystalline silicon solar cells dominate the world's PV market due to high power conversion efficiency, high stability, and low cost. Silicon heterojunction (SHJ) solar cells are one of the promising technologies for next‐generation crystalline silicon solar cells. Compared to the commercialized homojunction silicon solar cells, SHJ solar cells have higher power conversion efficiency, lower temperature coefficient, and lower manufacturing temperatures. Recently, several new record efficiencies have been achieved. To meet the continued demand for high‐efficiency solar cells, expectations for large‐scale mass production of SHJ solar cells are rising. To approach the efficiency limit and industrialization of SHJ solar cells, serious attempts have been made, yielding higher short‐circuit current, open‐circuit voltage, and fill factor. In this article, these recent advancements are reviewed, which reveals the future roadmap for approaching the efficiency limit.

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“…Nozzle-based printing assembly is based on inkjet printing, which is a non-contact, high-resolution, maskless NP patterning technology. 21 , 22 Template-based printing assembly is mainly based on screen printing, 23 , 24 nanoimprinting (NIL), 25 , 26 , 27 microcontact printing (μCP), 28 , 29 and evaporative lithography printing 30 , 31 for low-cost and large-scale manufacturing. This section comprehensively discusses the principles and mechanisms of these printing assembly methods.…”

Section: Introductionmentioning

confidence: 99%

Combining printing and nanoparticle assembly: Methodology and application of nanoparticle patterning

et al. 2022

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Development of nanoparticle copper screen printing pastes for silicon heterojunction solar cells

Cited by 29 publications

References 24 publications

General Control Method of Wettability and Rheological Properties of Organic Medium—A Key Material for Electronic Paste

General Control Method of Wettability and Rheological Properties of Organic Medium—A Key Material for Electronic Paste

Toward Efficiency Limits of Crystalline Silicon Solar Cells: Recent Progress in High‐Efficiency Silicon Heterojunction Solar Cells

Combining printing and nanoparticle assembly: Methodology and application of nanoparticle patterning

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