2023
DOI: 10.1021/acsaem.2c04012
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Inducing High Power Factor in Cu2GeSe3-Based Bulk Materials via (Bi, Zn)-Co-doping

Abstract: In this work, carrier concentration optimization and effective mass increase of Cu 2 GeSe 3 , which were considered to be a synergetic effect of electrical transport properties, were achieved by the co-doping of Bi and Zn on the Cu site. This effect led to a higher Seebeck coefficient of ∼307.76 μV K −1 at 723 K for the Cu 1.988 Bi 0.01 Zn 0.002 GeSe 3 sample. This effect also resulted in a higher power factor of ∼8.66 μW cm −1 K −2 at 723 K and an average power factor of ∼6.29 μW cm −1 K −2 at the temperature… Show more

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