Jekaterina Viktorova | Syenta: Can we print high-resolution copper electronics without relying on clogging-prone nanoparticle inks?
00:02:43 - 00:04:09
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Can we print high-resolution copper electronics without relying on clogging-prone nanoparticle inks?
Traditional printed electronics face a critical bottleneck: the reliance on nanoparticle-based inks, which are difficult to synthesize, prone to nozzle clogging, and yield limited electrical conductivity. To bypass these limitations, a novel approach called localized electrochemical modeling (LECM) utilizes a microelectrode immersed in a liquid precursor to deposit pure metal.
By applying a highly localized electric field between the microelectrode and a conductive substrate, the metal ions are reduced directly onto the surface at room temperature. This non-contact process eliminates nozzle clogging entirely, with the print resolution dictated solely by the geometry of the electrode.
The resulting structures exhibit near-bulk, electroplating-quality properties without any post-processing. This allows high-purity copper to be integrated seamlessly into conventional electronic applications, providing a reliable path from initial design prototyping to mass production.
In this short video, you can learn:
* How localized electrochemical modeling overcomes the fundamental resolution and clogging limitations of nanoparticle inks.
* The physical mechanism of utilizing localized electric fields to reduce precursor ions at room temperature.
* Why electroplating-quality copper is crucial for seamless integration with established manufacturing systems.
📋 **Clip Abstract** Discover how localized electrochemical modeling overcomes the limitations of traditional printed electronics by dispensing with nanoparticle-based inks entirely. This non-contact, room-temperature method achieves electroplating-quality, near-bulk pure copper structures down to 10 microns without nozzle clogging.
#LocalizedElectrochemicalModeling, #ParticleFreeInks, #DirectWriteCopper, #Micro3DPrinting, #AdditiveElectronics, #PrintedElectronics
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00:06:31 - 00:08:14
Is it possible to 3D print 90% bulk copper conductivity without any thermal annealing or UV curing?
Is it possible to 3D print 90% bulk copper conductivity without any thermal annealing or UV curing?
One of the most significant drawbacks of current digital printing methods for electronics is the high thermal budget required for post-deposition sintering. Traditional silver and copper inks need intense UV curing or high-temperature baking to merge nanoparticles, restricting their use on heat-sensitive polymers and thin-film devices.
Electrochemical additive printing changes this dynamic by depositing pore-free metal that natively resembles bulk material. Because the atoms are electrochemically reduced into a continuous crystalline structure, the printed copper achieves up to 90% of bulk copper conductivity directly upon deposition.
This process operates entirely without post-treatment; the printed circuit only requires a quick rinse and air drying before it is ready for use. Furthermore, because it does not rely on solvent evaporation, the method avoids common defects such as the coffee-ring effect, ensuring highly uniform cross-sections.
In this short video, you can learn:
* The material science behind achieving 90% bulk copper conductivity natively during the printing process.
* Why eliminating post-treatment steps like UV curing or thermal annealing broadens substrate compatibility.
* How the absence of droplet-evaporation dynamics prevents defects like the coffee-ring effect.
📋 **Clip Abstract** This clip outlines the material characteristics of Syenta's electrochemical printing method, highlighting how it reaches up to 90% of bulk copper conductivity natively. The process is completely free of post-treatments like sintering, eliminating thermal budget constraints for sensitive underlying substrates.
#Electrochemical3DPrinting, #SinterFreeCopper, #DirectElectrochemicalDeposition, #HighConductivityCopper, #PrintedElectronics, #AdditiveElectronics
00:18:42 - 00:19:50
How do you electrochemically plate delicate perovskite solar cells without dissolving them in liquid?
How do you deposit high-conductivity electrodes directly onto highly sensitive perovskite solar cells without triggering immediate material degradation?
Integrating printed metallic contacts onto perovskite photovoltaics presents a severe chemical compatibility challenge, as these absorbers are sensitive to moisture and polar solvents. Traditional electrochemical deposition and wet plating introduce destructive liquid environments that compromise the active perovskite layer. Overcoming this bottleneck requires shifting from standard liquid-phase processing toward highly controlled, localized deposition.
To mitigate degradation, recent hardware innovations shift away from bulk liquid-immersion techniques, like vat printing, in favor of targeted delivery systems. Engineering hardware for localized ink delivery directly to the electrode site restricts fluid contact to the precise deposition zone. This minimizes the physical and chemical footprint, protecting the surrounding device architecture from unnecessary exposure.
Complementing these hardware advancements is the strategic formulation of specialized, non-aqueous ink chemistries. Utilizing apolar solvent systems reduces the risk of chemical attack on the perovskite matrix, offering a gentler deposition profile than conventional plating. While engineering these stable formulations demands rigorous R&D, it ultimately yields a compatible, non-damaging metallization process that integrates seamlessly into manufacturing lines.
In this short video, you can learn:
* The critical challenges of managing liquid-phase compatibility when printing electrodes directly onto sensitive perovskite solar cells.
* How localized ink delivery hardware minimizes device damage compared to traditional vat-based printing methods.
* The role of non-aqueous, apolar ink formulations in ensuring chemical compatibility with existing photovoltaic manufacturing workflows.
📋 **Clip Abstract** The speaker addresses the challenge of printing electrodes onto sensitive perovskite solar cells, noting that while their current hardware utilizes a liquid vat, they are actively developing localized ink delivery systems to prevent device damage. Additionally, she explains that they formulate non-aqueous, apolar inks to ensure chemical compatibility and seamless integration with existing solar manufacturing processes.
🎤 Speaker: Jekaterina Viktorova
🏢 Company: Syenta
📅 Event: The Future of Electronics RESHAPED 2023 Berlin
📍 Location: Estrel Congress Centre, Berlin, Germany, Europe
🌐 Learn more at the next TechBlick event: https://www.techblick.com
#LocalizedElectrochemicalDeposition, #PerovskiteMetallization, #NonAqueousInks, #CopperGridElectrodes, #AdditiveElectronics, #PerovskitePhotovoltaics