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- W2891749340 abstract "Cu2Se is considered as a potential thermoelectric material due to its excellent electrical properties and relatively high ZT values. However, the temperature-dependent phase transition and expensive experimental preparation approach hamper its practical application. In this work, a series of Cu2Se1-xIx (x = 0, 0.02, 0.03, 0.04, 0.05) alloys were prepared by using the cheap and facile hydrothermal method in combination with vacuum hot pressing. The crystal structures of synthesized Cu2Se1-xIx (x ≤ 0.04) are identical to the cubic β-Cu2Se. By doping with iodine, the thermoelectric figure of merit of Cu2Se could be greatly improved up to 1.1 at 773 K and the phase transition temperature was reduced to 380 K. Our results suggest a promising route to optimize the performance of Cu2Se-based materials for high performance thermoelectric applications." @default.
- W2891749340 created "2018-09-27" @default.
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- W2891749340 date "2019-01-01" @default.
- W2891749340 modified "2023-10-18" @default.
- W2891749340 title "I-doped Cu2Se nanocrystals for high-performance thermoelectric applications" @default.
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- W2891749340 doi "https://doi.org/10.1016/j.jallcom.2018.08.291" @default.
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