Jekaterina Viktorova | Syenta: Is it possible to 3D print 90% bulk copper conductivity without any thermal annealing or UV curing?
00:06:31 - 00:08:14
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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.
š **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
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00:02:43 - 00:04:09
Can we print high-resolution copper electronics without relying on clogging-prone nanoparticle inks?
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.
š **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
00:18:42 - 00:19:50
How do you electrochemically plate delicate perovskite solar cells without dissolving them in liquid?
How do you electrochemically plate delicate perovskite solar cells without dissolving them in liquid?
Perovskite solar materials are notorious for their extreme vulnerability to moisture, polar solvents, and chemical degradation. This sensitivity has traditionally prevented manufacturers from using low-cost electrochemical plating or wet-ink deposition to create the cell's metallic contact grids, forcing reliance on expensive vacuum-evaporated gold.
To resolve this chemical incompatibility, developers have engineered a specialized print head designed for localized ink delivery. Rather than submerging the entire solar cell in an electrolyte vat, the liquid precursor is strictly confined to the immediate vicinity of the microelectrode tip, protecting the rest of the active layer.
In addition to hardware confinement, the electrochemical inks are formulated using non-aqueous, polar solvents instead of water-based systems. This design dramatically minimizes the chemical degradation of the perovskite film, allowing high-conductivity copper to be printed directly as a cost-effective grid electrode.
In this short video, you can learn:
* The engineering challenges of using wet electrochemical processes on highly solvent-sensitive perovskite layers.
* How localized ink delivery confines liquid exposure strictly to the microelectrode contact point.
* The chemistry of non-aqueous, polar ink formulations designed to eliminate moisture-driven degradation.
š **Clip Abstract** Learn how Syenta adapted its electrochemical printing hardware and ink formulation to deposit metallic grids on highly sensitive perovskite substrates. By utilizing non-aqueous, polar solvents and localized ink delivery, they bypass the structural degradation typically caused by conventional wet plating.
#LocalizedElectrochemicalDeposition, #PerovskiteMetallization, #NonAqueousInks, #CopperGridElectrodes, #AdditiveElectronics, #PerovskitePhotovoltaics