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New measuring adapter accelerates materials research

With this measuring adapter, researchers can test materials for displays, solar cells and sensors eight times faster than before.
The new measuring adapter from Fraunhofer IPMS Dresden can contact and test up to eight material samples simultaneously. © Fraunhofer IPMS
From: Wissensland
A new measuring adapter from Dresden is revolutionizing materials research. Researchers at Fraunhofer IPMS can use it to test eight samples simultaneously - a breakthrough for the development of displays, solar cells and sensors. The innovation saves time and accelerates the path to better electronics.

Whether it's the display in a smartphone, the solar cell on the roof or the sensor in a car - behind all these technologies are materials that first have to be thoroughly tested. Until now, this has been a time-consuming process. Researchers at the Fraunhofer Institute for Photonic Microsystems IPMS in Dresden have now developed a measuring adapter that revolutionizes this work. It can contact and test up to eight material samples simultaneously. This saves time and money.

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The turbo for material testing

The basis is formed by special chips with so-called interdigital electrodes. These tiny, comb-like structures enable precise measurements on sensitive materials. This is particularly important for organic light-emitting diodes, such as those found in modern screens, for organic solar cells or for metal oxide-based gas sensors. "Our tailor-made chips enable materials researchers to precisely measure and specifically optimize key parameters such as conductivity, field effect, contact resistance and charge carrier mobility," explains group leader Alexander Graf.

In recent years, the Dresden researchers have continuously improved their chips. Together with partners from industry, they have developed new electrode shapes and tested various materials. The biggest challenge so far has been contacting several electrodes at the same time. This is precisely where the new measuring adapter comes in.

Faster to new electronics

The innovation from Saxony makes it possible to test and optimize materials more quickly. This significantly shortens the development time for new electronics. As a result, companies can bring their products to market faster. In addition, materials and manufacturing processes can be reproduced more reliably. This is particularly important for industry, which relies on consistent quality. The Dresden technology thus creates the basis for next-generation electronic applications.

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