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High Performance Shape-Conformable Thermoelectric Materials and Devices to Heat Sources

Author(s)
Son, Jae SungJo, SeungkiKim, FredrickChoo, Seungjun
Issued Date
2018-04-05
URI
https://scholarworks.unist.ac.kr/handle/201301/37235
Fulltext
http://www.dbpia.co.kr/Journal/ArticleDetail/NODE07417773
Citation
한국고분자학회 2018년 춘계 학술대회
Abstract
Here, we present the shape-conformable thermoelectric materials geometrically to surfaces of any shape by securing the flexibility of thin films or painting and 3D printing processes. We synthesized the molecular Sb2Te3 chalcogenidometallate and utilize them as ink solution for fabricating flexible thin films. At the same time, we prepared Bi2Te3-based inorganic pastes by using Sb2Te3 chalcogenidometallate as an additive for Bi2Te3-based thermoelectric particles, with ZT values of 0.5~0.7 for n-type and 1.0~1.2 for p-type materials that compete the bulk values. Devices directly brush-painted onto curved surfaces produced the high output power of 4.0 mW cm-2 under the temperature difference of 50 oC. Also, the shapes of 3D blocks printed by dispensing process were controllably varied to cube, circle, and half ring.
Publisher
한국고분자학회

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