WebJul 12, 2016 · ABSTRACT. Synthetic minerals and related systems based on Cu–S are attractive thermoelectric (TE) materials because of their environmentally benign characters and high figures of merit at around … WebFeb 3, 2024 · Tetrahedrite chalcogenides based on Cu 12 Sb 4 S 13 are promising thermoelectric materials, with reported zT values as high as 1.1, driven by very low κ L < 0.3 W m −1 K −1. 80,83–86. Ag 6 Ge 10 P 12 can be written as Ag 6 (Ge 4 Ge 2)Ge 4 P 12 Vac to match the tetrahedrite formula, where Vac is a vacancy in the structure.

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WebOct 16, 2024 · It is demonstrated that the Cu 2 Te-based compounds are also excellent TE materials if Cu deficiency is sufficiently suppressed. By introducing Ag 2 Te into Cu 2 Te, the carrier concentration is substantially reduced to significantly improve the zT with a record-high value of 1.8, 323% improvement over Cu 2 Te and outperforms any other … WebSep 26, 2024 · This value is comparable to those of typical diamond-like Cu–S based thermoelectric materials, such as Cu 2 SnS 3, Cu 3 SbS 4, and Cu 2 CoSnS 4. The reason for low lattice thermal conductivity is mainly due to weak Cu–S bonding. Furthermore, mechanical alloying plus SPS produce fine-grain-size ceramics, which … WebNanomaterials, an international, peer-reviewed Open Access journal. Journals. Active Journals Find a Journal Proceedings Series simplicity lowcountry