热电材料是一种性能优越的环境友好型材料,它能够直接把电能和热能相互转化,是目前新技术能源材料领域的关键材料.Mg2Si基半导体是一种新型的中温区热电材料,具有热电值高,原料无毒害等优点,由于镁的活性较高,如何制备出性能更加优良的Mg2Si基块体热电材料成为本领域研究的重点.本文简要介绍了Mg2Si基热电材料的基本性质,阐述其各种制备方法和掺杂研究现状,并展望其未来研究方向.
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