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Enhanced thermoelectric properties of flexible N-type Ag2Se nanowire/polyvinylidene fluoride composite films synthesized via solution mixing

Authors
Park, DabinJu, HyunKim, Jooheon
Issue Date
Jan-2021
Publisher
Korean Society of Industrial Engineering Chemistry
Keywords
Nanowire; Polyvinylidene fluoride; Silver selenide; Thermoelectric
Citation
Journal of Industrial and Engineering Chemistry, v.93, pp 333 - 338
Pages
6
Journal Title
Journal of Industrial and Engineering Chemistry
Volume
93
Start Page
333
End Page
338
URI
https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/43752
DOI
10.1016/j.jiec.2020.10.009
ISSN
1226-086X
1876-794X
Abstract
This paper presents inorganic/organic composites, namely, Ag2Se nanowire (NW)/polyvinylidene fluoride (PVDF) films, possessing outstanding thermoelectric power factor and flexibility. The composite film was fabricated through simple solution mixing and drop-casting with various contents of Ag2Se NW (50, 60, 70 and 80 wt.%). The Ag2Se NWs were synthesized with solution mixing with as-synthesized Se NWs. The Seebeck coefficient, electrical conductivity, and power factor of the films were valuated; the sample containing 70 wt.% Ag2Se NWs showed exceptional durability and enhanced thermoelectric power factor. A maximum power factor of ∼180.6 μW/m K2 was reached at 400 K. Thus, the proposed Ag2Se NW/PVDF films could be used to realize flexible inorganic/organic thermoelectric devices with good conversion efficiency. In summary, we presented an efficient strategy for designing and synthesizing high-performance inorganic/organic TE composite films by combining the high power factor of an inorganic filler with the high flexibility of a polymer. © 2020 The Korean Society of Industrial and Engineering Chemistry
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대학원 (지능형에너지산업융합학과)
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