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Updated: May 9, 2026
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Enhanced thermoelectric properties of Pb-doped BiCuSeO ceramics
Jin-Le Lan1, Yao-Chun Liu, Bin Zhan
1State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and, Engineering, Tsinghua University, Beijing, 100084, PR China.
Abstract:
A high-performance thermoelectric oxyselenide BiCuSeO ceramic with ZT > 1.1 at 823 K and higher average ZT value (ZTave ≈0.8) is obtained. The heavy doping element and nanostructures can effectively tune its electronic structure, hole concentration, and thermal conductivity, resulting in substantially enhanced mobility, power factor, and thus ZT value. This work provides a path to high-performance thermoelectric ceramics.
