Abstract
BiSbSe3 is a Te-free thermoelectric material with a chain-like complex crystal structure and multiple band configuration. This work overviews recent advancements in BiSbSe3, clearly demonstrating its excellent thermal and electrical characteristics. The strategies to optimize the thermoelectric performance of BiSbSe3 mainly focus on two aspects: manipulating carrier concentration and effective mass based on multiple conduction bands, and elevating carrier mobility based on maneuvering electrical parameters and microstructures. Additionally, strategies for boosting the carrier mobility are outlined as the prospects for the future development of BiSbSe3, including sharpening bands, improving orientation, and designing composites.
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