Thermoelectric Generator Using Polyaniline-Coated Sb<sub>2</sub>Se<sub>3</sub>/β-Cu<sub>2</sub>Se Flexible Thermoelectric Films
Herein, Sb<sub>2</sub>Se<sub>3</sub> and β-Cu<sub>2</sub>Se nanowires are synthesized via hydrothermal reaction and water evaporation-induced self-assembly methods, respectively. The successful syntheses and morphologies of the Sb<sub>2</sub>Se<sub&...
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doaj-a1b3a5430e2d47af841f3e7ba751b2dd2021-05-31T23:30:44ZengMDPI AGPolymers2073-43602021-05-01131518151810.3390/polym13091518Thermoelectric Generator Using Polyaniline-Coated Sb<sub>2</sub>Se<sub>3</sub>/β-Cu<sub>2</sub>Se Flexible Thermoelectric FilmsMinsu Kim0Dabin Park1Jooheon Kim2School of Chemical Engineering & Materials Science, Chung-Ang University, Seoul 06974, KoreaSchool of Chemical Engineering & Materials Science, Chung-Ang University, Seoul 06974, KoreaSchool of Chemical Engineering & Materials Science, Chung-Ang University, Seoul 06974, KoreaHerein, Sb<sub>2</sub>Se<sub>3</sub> and β-Cu<sub>2</sub>Se nanowires are synthesized via hydrothermal reaction and water evaporation-induced self-assembly methods, respectively. The successful syntheses and morphologies of the Sb<sub>2</sub>Se<sub>3</sub> and β-Cu<sub>2</sub>Se nanowires are confirmed via X-ray powder diffraction (XRD), X-ray photoelectron spectroscopy (XPS), Raman spectroscopy, field emission scanning electron microscopy (FE-SEM), and field emission transmission electron microscopy (FE-TEM). Sb<sub>2</sub>Se<sub>3</sub> materials have low electrical conductivity which limits application to the thermoelectric generator. To improve the electrical conductivity of the Sb<sub>2</sub>Se<sub>3</sub> and β-Cu<sub>2</sub>Se nanowires, polyaniline (PANI) is coated onto the surface and confirmed via Fourier-transform infrared spectroscopy (FT-IR), FE-TEM, and XPS analysis. After coating PANI, the electrical conductivities of Sb<sub>2</sub>Se<sub>3</sub>/β-Cu<sub>2</sub>Se/PANI composites were increased. The thermoelectric performance of the flexible Sb<sub>2</sub>Se<sub>3</sub>/β-Cu<sub>2</sub>Se/PANI films is then measured, and the 70%-Sb<sub>2</sub>Se<sub>3</sub>/30%-β-Cu<sub>2</sub>Se/PANI film is shown to provide the highest power factor of 181.61 μW/m·K<sup>2</sup> at 473 K. In addition, a thermoelectric generator consisting of five legs of the 70%-Sb<sub>2</sub>Se<sub>3</sub>/30%-β-Cu<sub>2</sub>Se/PANI film is constructed and shown to provide an open-circuit voltage of 7.9 mV and an output power of 80.1 nW at ΔT = 30 K. This study demonstrates that the combination of inorganic thermoelectric materials and flexible polymers can generate power in wearable or portable devices.https://www.mdpi.com/2073-4360/13/9/1518antimony selenidecopper selenidepolyanilinethermoelectric generator |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Minsu Kim Dabin Park Jooheon Kim |
spellingShingle |
Minsu Kim Dabin Park Jooheon Kim Thermoelectric Generator Using Polyaniline-Coated Sb<sub>2</sub>Se<sub>3</sub>/β-Cu<sub>2</sub>Se Flexible Thermoelectric Films Polymers antimony selenide copper selenide polyaniline thermoelectric generator |
author_facet |
Minsu Kim Dabin Park Jooheon Kim |
author_sort |
Minsu Kim |
title |
Thermoelectric Generator Using Polyaniline-Coated Sb<sub>2</sub>Se<sub>3</sub>/β-Cu<sub>2</sub>Se Flexible Thermoelectric Films |
title_short |
Thermoelectric Generator Using Polyaniline-Coated Sb<sub>2</sub>Se<sub>3</sub>/β-Cu<sub>2</sub>Se Flexible Thermoelectric Films |
title_full |
Thermoelectric Generator Using Polyaniline-Coated Sb<sub>2</sub>Se<sub>3</sub>/β-Cu<sub>2</sub>Se Flexible Thermoelectric Films |
title_fullStr |
Thermoelectric Generator Using Polyaniline-Coated Sb<sub>2</sub>Se<sub>3</sub>/β-Cu<sub>2</sub>Se Flexible Thermoelectric Films |
title_full_unstemmed |
Thermoelectric Generator Using Polyaniline-Coated Sb<sub>2</sub>Se<sub>3</sub>/β-Cu<sub>2</sub>Se Flexible Thermoelectric Films |
title_sort |
thermoelectric generator using polyaniline-coated sb<sub>2</sub>se<sub>3</sub>/β-cu<sub>2</sub>se flexible thermoelectric films |
publisher |
MDPI AG |
series |
Polymers |
issn |
2073-4360 |
publishDate |
2021-05-01 |
description |
Herein, Sb<sub>2</sub>Se<sub>3</sub> and β-Cu<sub>2</sub>Se nanowires are synthesized via hydrothermal reaction and water evaporation-induced self-assembly methods, respectively. The successful syntheses and morphologies of the Sb<sub>2</sub>Se<sub>3</sub> and β-Cu<sub>2</sub>Se nanowires are confirmed via X-ray powder diffraction (XRD), X-ray photoelectron spectroscopy (XPS), Raman spectroscopy, field emission scanning electron microscopy (FE-SEM), and field emission transmission electron microscopy (FE-TEM). Sb<sub>2</sub>Se<sub>3</sub> materials have low electrical conductivity which limits application to the thermoelectric generator. To improve the electrical conductivity of the Sb<sub>2</sub>Se<sub>3</sub> and β-Cu<sub>2</sub>Se nanowires, polyaniline (PANI) is coated onto the surface and confirmed via Fourier-transform infrared spectroscopy (FT-IR), FE-TEM, and XPS analysis. After coating PANI, the electrical conductivities of Sb<sub>2</sub>Se<sub>3</sub>/β-Cu<sub>2</sub>Se/PANI composites were increased. The thermoelectric performance of the flexible Sb<sub>2</sub>Se<sub>3</sub>/β-Cu<sub>2</sub>Se/PANI films is then measured, and the 70%-Sb<sub>2</sub>Se<sub>3</sub>/30%-β-Cu<sub>2</sub>Se/PANI film is shown to provide the highest power factor of 181.61 μW/m·K<sup>2</sup> at 473 K. In addition, a thermoelectric generator consisting of five legs of the 70%-Sb<sub>2</sub>Se<sub>3</sub>/30%-β-Cu<sub>2</sub>Se/PANI film is constructed and shown to provide an open-circuit voltage of 7.9 mV and an output power of 80.1 nW at ΔT = 30 K. This study demonstrates that the combination of inorganic thermoelectric materials and flexible polymers can generate power in wearable or portable devices. |
topic |
antimony selenide copper selenide polyaniline thermoelectric generator |
url |
https://www.mdpi.com/2073-4360/13/9/1518 |
work_keys_str_mv |
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