Canatu achieves record-high opto-electric performance with its Carbon Nanotube transparent conductive film
Carbon nanomaterial developer Canatu more than doubles the performance of its carbon nanotube-based transparent conductive film. Multi-year research and development program results in the best industrially applicable sheet resistance to optical transparency ratio ever seen in Carbon Nanotube (CNT) films. With sheet resistance of 35Ω/sq at 90% transmittance, Canatu CNT offers proven, high-performance material for automotive ADAS heater and flexible capacitive touch applications that require high electrical conductivity and high optical transparency. Featuring ultra-low haze and low reflection, the unique CNT film can be formed to any 3D shape enabling design freedom.
“Advances in the synthesis and scalable manufacturing are critical to mass adoption of CNTs. In transparent conductor applications, both optical and electrical properties are the most important factors of competitiveness. I have followed Canatu with high interest and am thrilled to see Canatu has made a new world record in commercial-scale manufactured CNT thin film transmittance and electrical conductivity, ” says Shigeo Maruyama, a highly respected, Distinguished Professor of Mechanical Engineering at the University of Tokyo.
“This is by far one of the greatest technical advancements in Canatu history. It strengthens our competitiveness and expands potential applications for Canatu CNT, while marking a solid base for the future development of Canatu CNT,” says Juha Kokkonen, CEO of Canatu.
Increasing electrical conductivity without harming transmittance or adding cost is a key challenge of transparent conductive films. Constraints can be alleviated by optimizing core factors affecting CNT network properties and performance, such as dimensions of individual CNT tubes and tube bundles, tube chirality, distribution of CNT wall numbers, and eliminating contamination and defects in CNT structures.
“Our team possesses deep nanotechnology expertise, accumulated over years of systemic research and development. This allows us to control every aspect of the CNT synthesis process. We are able to create longer single or multi-wall tubes that are super clean, thereby enabling extremely thin, strong, and transparent CNT networks,” says Heikki Heinaro, Vice President, Engineering, Canatu Oy.
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Canatu is a carbon nanomaterial developer creating the most advanced carbon nanotubes for industry-transforming products. The Canatu carbon nanotube (CNT) technology has been created with a unique process that ensures the required versatility and reliability for highly engineered solutions. Canatu partners with forerunner companies, together transforming products for better tomorrows with nano carbon. The company’s focus is in the automotive and semiconductor industries with the portfolio’s core spanning from ADAS heaters to 3D touch sensors and to EUV membranes. The experts at Canatu think big and create impacts on the tiniest scale – nano solutions for massive impact. Canatu’s headquarters are in Finland with sales offices also in the US, Japan and Taiwan.