Scientists develop a new method for synthesizing high-performance tin telluride nanosheets, a promising thermoelectric material with wide applications.
Thermoelectric semiconductors can be used to convert waste heat - heat generated as a byproduct of other processes - into usable electricity. However, this is largely limited by the difficulty of securing lead-free semiconductors that have high thermoelectric performance.
A team of scientists from Chung-Ang University in South Korea has developed a simple synthesis strategy that creates tin telluride (SnTe) nanosheets by using tin selenide nanosheets (SnSe) - a material that is fairly easy to fabricate. The new technique allows for better nanostructuring of tin telluride, improving its thermoelectric properties in the process.
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