[22p-F407-6] Comparative Thermoelectric Performance Demonstration Between Cavity-free GeSn and Si Thermoelectric Generators | 2022年第69回応用物理学会春季学術講演会

2022年第69回応用物理学会春季学術講演会

2022年3月22日〜4月18日青山学院大学相模原キャンパス + オンライン

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2022年第69回応用物理学会春季学術講演会

2022年3月22日〜4月18日青山学院大学相模原キャンパス + オンライン

[22p-F407-6]Comparative Thermoelectric Performance Demonstration Between Cavity-free GeSn and Si Thermoelectric Generators

〇(D)Md MehdeeHasan Mahfuz¹、Kazuaki Katayama¹、Yoshitsune Ito²、Kazuaki Fujimoto²、Motohiro Tomita¹、Masashi Kurosawa²、Takeo Matsuki^1,3、Takanobu Watanabe¹(1.Waseda univ.、2.Nagoya univ.、3.AIST)

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This work demonstrates the thermoelectric (TE) performance of the cavity-free thermoelectric generators (TEGs) using GeSn and Si wires. In the cavity-free TEG, the TE power generated from a unit area is enhanced by shrinking the wire length (L_wire) by applying a steep temperature gradient. GeSn is one of the attractive TE materials due to its low thermal conductivity and high-power factor. In this work, we compared GeSn wires with Si wires in cavity-free planar structure focusing on the scalability.

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