Towards Low Cost and Sustainable Thin Film Thermoelectric Devices Based on Quaternary Chalcogenides

Eleonora Isotta; Jacob Andrade-Arvizu; Ubaidah SyafiqAlex Jimenez-ArguijoAlejandro Navarro-GueellMaxim GucEdgardo SaucedoPaolo Scardi

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Towards Low Cost and Sustainable Thin Film Thermoelectric Devices Based on Quaternary Chalcogenides

机译：Towards Low Cost and Sustainable Thin Film Thermoelectric Devices Based on Quaternary Chalcogenides

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A major challenge in thermoelectrics (TEs) is developing devices made of sustainable, abundant, and non-toxic materials. Furthermore, the technological drive toward low sizes makes crucial the study of nano and micro configurations. In this work, thin film TE devices based on p-type Cu_(2+x)Zn_(1-x)SnS_4 and Cu_(2+x)Zn_(1-x)SnSe_4, and n-type Al_yZn_(1-y)O are fabricated by physical vapor deposition. The kesterite phases show good purity and promising TE power factor, likely enhanced by the copper–zinc order–disorder transition. Thin film generators in planar configuration are assembled by a sequential deposition of the p-type, n-type, and contact materials. The power per unit planar area reaches 153 and 279 nW cm~(?2) for the sulphurand selenium-based generators, respectively. These values significantly outperform any other literature attempt based on sustainable and low-cost thin films. Furthermore, if compared with traditional TEs often made of scarce and toxic materials, these devices offer a cost reduction above 80%. This allows reaching comparable values of power density per unit material cost, representing a first real step toward the development of sustainable and non-toxic thin film TE devices. These can find applications in micro energy harvesters, microelectronics coolers, and temperature controllers for wearables, medical appliances, and sensors for the internet of things.

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来源
《Advanced functional materials》 |2022年第32期|2202157.1-2202157.12|共12页
作者
Eleonora Isotta; Jacob Andrade-Arvizu; Ubaidah SyafiqAlex Jimenez-ArguijoAlejandro Navarro-GueellMaxim GucEdgardo SaucedoPaolo Scardi;
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作者单位

Department of Civil Environmental and Mechanical Engineering University of Trento via Mesiano 77, 38123 Trento, Italy;

Solar Energy Materials and Systems Group Catalonia Institute for Energy Research (IREC) Jardins de les Dones de Negre 1, Sant Adria de Besos, 08930 Barcelona, Spain;

Department of Civil Environmental and Mechanical Engineering University of Trento via Mesiano 77, 38123 Trento, Italy,Solar Energy Research Institute the National University of Malaysia (SERI-UKM) Bangi, Selangor 43600, MalaysiaSolar Energy Materials and Systems Group Catalonia Institute for Energy Research (IREC) Jardins de les Dones de Negre 1, Sant Adria de Besos, 08930 Barcelona, Spain,Photovoltaic Group Electronic Engineering Department Polytechnic University of Catalonia (Photovoltaic Group Electronic Engineering Department Polytechnic University of Catalonia (UPC) Av. D’Eduard Maristany, 16, Sant Adria de Besos, 08930 Barcelona, Spain;

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正文语种英语
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Al-doped ZnO (AZO); kesterite CZTS CZTSe; thermoelectric generators; thermoelectricity; thin films;

Towards Low Cost and Sustainable Thin Film Thermoelectric Devices Based on Quaternary Chalcogenides

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