Fully 3D Printed Tin Selenide (SnSe) Thermoelectric Generators with Alternating n-Type and p-Type Legs.

Fully 3D Printed Tin Selenide (SnSe) Thermoelectric Generators with Alternating n-Type and p-Type Legs.
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DOI:
10.1021/acsaem.3c00576
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发表时间:
2023-05-22
影响因子:
6.4
通讯作者:
Carnie, Matthew J.
Carnie, Matthew J.
中科院分区:
材料科学3区
文献类型:
--
作者:
Burton, Matthew Richard;Howells, Geraint;Mehraban, Shahin;McGettrick, James D.;Lavery, Nicholas;Carnie, Matthew J.

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硒化锡(SnSe)在热电领域引起了广泛的关注,因为发现了2.6 ± 0.3的记录优值(zT)。虽然已经有许多关于p型SnSe的出版物,但为了制造有效的SnSe热电发电机,也需要n型。然而,关于n型SnSe的出版物是有限的。本文报道了一种利用Bi作为掺杂剂的伪3D打印技术制备体n型SnSe元件。各种Bi掺杂水平的研究和表征在很宽的温度范围内,并通过多个热循环。然后将稳定的n型SnSe元件与印刷的p型SnSe元件组合,以制造完全印刷的交替n型和p型热电发电机,其显示在774 K下产生145 μW。
Tin selenide (SnSe) has attracted much attention in the field of thermoelectrics since the discovery of the record figure of merit (zT) of 2.6 ± 0.3. While there have been many publications on p-type SnSe, to manufacture efficient SnSe thermoelectric generators, ann-type is also required. Publications on n-type SnSe, however, are limited. This paper reports a pseudo-3D-printing technique to fabricate bulk n-type SnSe elements, by utilizing Bi as a dopant. Various Bi doping levels are investigated and characterized over a wide range of temperatures and through multiple thermal cycles. Stable n-type SnSe elements are then combined with printed p-type SnSe elements to fabricate a fully printed alternating n- and p-type thermoelectric generator, which is shown to produce 145 μW at 774 K.
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发表时间: 2018-01-01
影响因子: 3.6
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