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Bi2Te3‐based alloys are the benchmark for commercial thermoelectric (TE) materials, the widespread demand for low‐grade waste heat recovery and solid‐state refrigeration makes it imperative to enhance the figure‐of‐merits. In this study, high‐performance Bi0.5Sb1.5Te3 (BST) is realized by incorporating Cu2GeSe3 and Se. Concretely, the diffusion of Cu and Ge atoms optimizes the hole concentration and...
As the sole dominator of the commercial thermoelectric (TE) market, Bi2Te3‐based alloys play an irreplaceable role in Peltier cooling and low‐grade waste heat recovery. Herein, to improve the relative low TE efficiency determined by the figure of merit ZT, an effective approach is reported for improving the TE performance of p‐type (Bi,Sb)2Te3 by incorporating Ag8GeTe6 and Se. Specifically, the diffused...
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