Thermoelectric materials, capable of directly converting heat into electricity, offer significant potential for advancing renewable energy solutions. However, conventional thermoelectric materials, typically based on bulky structures, are constrained by the thermoelectric transport paradox. Metal-backboned polymers, emerging as one-dimensional materials designed at the single atom level, offer quantum confinement that enhances electrical conductivity while reducing thermal conductivity, potentially overcoming the above limitations. Herein, we explore the potential of metal-backboned polymers for the development of highly efficient thermoelectric materials, including their synthesis, structural advantages, potential applications and recent advancements. Moreover, current challenges and promising directions for further advancing their performance and applicability in eco-friendly energy technologies are also discussed.
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