Research reveals that grain boundary and interface engineering improves thermoelectric devices' performance, indicating enhanced reliability.
Thermoelectric Devices In their Research Article (10.1002/adfm.202528614), Yu Zhang, Yu Liu, Khak Ho Lim, and co-workers report a delicate nanocomposite strategy that modulates grain boundaries and nanodomains to simultaneously facilitate carrier transport, enhance phonon scattering, and maintain structural integrity. This strategy demonstrates microstructure- and defect-engineering enabling long-term service reliability in thermoelectric generators.
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Xu et al. (2026) studied this question.
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