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. 2024 Mar 8;15:2141. doi: 10.1038/s41467-024-46183-1

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© The Author(s) 2024

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 3 — a Temperature-dependent electrical conductivity (σ) and Seebeck coefficient (α) (x indicates the weight percentage of Ag ink added). b Room-temperature σ, α and power factor (α²σ) as a function of Ag ink content. c Room-temperature Hall carrier concentration (n_H) and mobility (μ_H). d Seebeck coefficient as a function of carrier concentration for Ag₂Se/Ag composite films. e AFM topography image of Ag₂Se/15%Ag. f Surface potential map measured by KPFM. g Surface potential line scans of the interfaces between dispersed-Ag particles and Ag₂Se matrix. h Energy band diagram for Ag\Ag₂Se before and after contact. i Molecular dynamics calculations showing atomic exchanges between Ag and Ag₂Se interface. j Comparison of the power factor of inkjet-printed films^{11,24–28,40–43}.