Copper-based Alternative for Modern Electronics
The development of the Internet of Things (IoT) has quickly increased the demand for thin and wearable electronic devices. For example, IoT depends on communication between devices, which requires antennas that have so far required expensive gold and silver-based metal composites. However, a new study suggests that a copper-based substance is all you need with a new technique. The researchers from Tohoku University and Mitsui Mining & Smelting Co., Ltd in Tokyo has developed a new technique that alters the structure of copper, making it mimic other metal composites.
"Copper has been an attractive alternative material in the preparation of electric circuits. The most important part of using copper is altering it so that it solidifies at low temperatures. So far, that has been difficult because copper readily interacts with the moisture in the air and degrades, which turns into unstable nanoparticles. With the methods used in this study that alter the structure of the carbon and thereby making it more stable, we have successfully overcome this instability issue," says Kiyoshi Kanie, Ph.D., associate professor at the Institute of Multidisciplinary Research for Advanced Materials of Tohoku University.
The researchers hope to expand this technique beyond electronics, saying that it will be very useful in other sectors as well.
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