Enhancing room-temperature thermoelectric performance of n-type Bi2Te3-based alloys via sulfur alloying

Bismuth-telluride-based alloys are the best thermoelectric materials used in commercial solid-state refrigeration near room temperature. Nevertheless, for n-type polycrystalline alloys, their thermoelectric figure of merit ( zT ) values at room temperature are often less than 1.0, due to the high el...

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