Contact design is a major challenge in the development of thermoelectric devices. New research shows that silver nanoparticles soldered at low temperature can sustain high service temperatures, improving the stability of devices operating across a wide range of temperatures and exploiting the maximum working temperature of thermoelectric materials.
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de Boor, J. Make contact with silver. Nat Energy 8, 647–648 (2023). https://doi.org/10.1038/s41560-023-01285-w