Functional Inorganic Materials and Devices
- Yaqiang Wang
Yaqiang Wang
School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun 130022, China
More by Yaqiang Wang
- Jiaman Wei
Jiaman Wei
School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun 130022, China
More by Jiaman Wei
- Yi Wu
Yi Wu
School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun 130022, China
More by Yi Wu
- Wei Yu
Wei Yu
School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun 130022, China
More by Wei Yu
- Xin Guo*
Xin Guo
School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun 130022, China
Engineering Research Center of Optoelectronic Functional Materials, Ministry of Education, Changchun 130022, China
*E-mail: [emailprotected]
More by Xin Guo
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ACS Applied Materials & Interfaces
Cite this: ACS Appl. Mater. Interfaces 2025, XXXX, XXX, XXX-XXX
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https://pubs.acs.org/doi/10.1021/acsami.5c05309
Published April 16, 2025
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Abstract
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Crystalline structures, as the basics of materials, are tightly associated with transport properties. Designing a structure through doping, alloying, and phase engineering to optimize thermoelectric transport properties has always been a crucial strategy in thermoelectrics. In this work, hybrid architectures containing an inherently long-range, nearly cubic framework as well as localized short-range noncubic lattice distortions, are designed in the pristine CuInTe2 chalcopyrites by a unique high-pressure technology. As a result, the long-range order structures motivate degeneracy in electronic bands, markedly improving the electrical transport properties. Meanwhile, suppressed lattice thermal conductivity due to strong phonon scattering is achieved by the short-range disorder structures composed of dense dislocations introduced by pressure. The above incorporation effects lead to a distinguished thermoelectric performance of zT = 1.13 at 773 K for pristine CuInTe2 prepared under 3 GPa. This study demonstrates the bright potential of high pressure as a significant approach in designing bespoke crystalline structures for tuning thermoelectric transport properties.
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- Chemical structure
- Crystal structure
- Diffraction
- Electronic structure
- Lattices
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ACS Applied Materials & Interfaces
Cite this: ACS Appl. Mater. Interfaces 2025, XXXX, XXX, XXX-XXX
Click to copy citationCitation copied!
Published April 16, 2025
Publication History
Received
Accepted
Revised
Published
online
© 2025 American Chemical Society
Request reuse permissions
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