Optimized thermoelectric performance of flexible Bi0.5Sb1.5Te3 thin film through PbTe incorporation
Rensheng Zhang,
Xujiang Tian,
Shaojun Liang
et al.
Abstract:Being the most widely applied thermoelectric materials near room temperature, (Bi,Sb)2Te3 alloys have to face the performance deterioration above 400 K due to their intrinsic narrow bandgap. Increasing the dominant hole concentration and expanding the bandgap have been proven as effective strategies to suppress bipolar excitation through elemental substitution and nanoscale compositing. Herein, PbTe-incorporated Bi0.5Sb1.5Te3 thin films were deposited on flexible polyimide substrates through intermittent magne… Show more
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