Chemical exfoliation of SnSe 1–x Te x nanosheets with conductive PEDOT:PSS for flexible thermoelectric composite films
- Authors
- Ju, Hyun; Park, Dabin; Kim, Kwanwoo; Kim, Jooheon
- Issue Date
- Jul-2019
- Publisher
- Elsevier Ltd
- Keywords
- Chalcogenide; Nanosheet; Poly(3,4-ethylenedioxythiophene); Poly(styrenesulfonate); Thermoelectric
- Citation
- Journal of Alloys and Compounds, v.792, pp 638 - 643
- Pages
- 6
- Journal Title
- Journal of Alloys and Compounds
- Volume
- 792
- Start Page
- 638
- End Page
- 643
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/18601
- DOI
- 10.1016/j.jallcom.2019.04.086
- ISSN
- 0925-8388
1873-4669
- Abstract
- SnSe 1–x Te x nanosheets (NSs) with lateral size of ∼500 nm were fabricated via intercalation of Li ions and exfoliation, and they were then combined with a poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS), to form SnSe 1–x Te x NS/PEDOT:PSS films. To evaluate the potential use of the SnSe 1–x Te x NS/PEDOT:PSS composites for thermoelectric applications, their thermoelectric properties were analyzed with the Te content and discussed for maximizing the thermoelectric power factor. The SnSe 0.97 Te 0.03 NS/PEDOT:PSS composite showed an outstanding power factor of 14.73 μW/(m·K 2 ), with excellent durability after 1000 bending cycles. This study demonstrates that the combination of inorganic SnSe 0.97 Te 0.03 NSs with conductive PEDOT:PSS is a promising technology to develop high-performance flexible thermoelectrics. © 2019 Elsevier B.V.
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