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Good Performance and Flexible PEDOT:PSS/Cu2Se Nanowire Thermoelectric Composite Films
Lu, Yao; Ding, Yufei; Qiu, Yang; Cai, Kefeng; Yao, Qin; Song, Haijun; Tong, Liang; He, Jiaqing; Chen, Lidong
2019-04-03
Source PublicationACS APPLIED MATERIALS & INTERFACES
ISSN1944-8244
Volume11Issue:13Pages:12819
SubtypeArticle
AbstractHerein, poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) coated Cu Sey (PC-CuxSey) nanowires are prepared by a wet-chemical method, and PEDOT:PSS/CuxSey nanocomposite films on flexible nylon membrane are fabricated by vacuum assisted filtration and then cold-pressing. XRD analysis reveals that the CuxSey with different compositions can be obtained by adjusting the nominal Cu/ Se molar ratios of their sources. For the composite film starting from a Cu/Se nominal molar ratio of 3, an optimized power factor of,,,270.3 /../W/mK2 is obtained at 300 K. Moreover, the film exhibits a superior flexibility with 85% of the original power factor retention after bending for 1000 cycles around a rod with a diameter of 5 mm. TEM and STEM observations of the focused ion beam (FIB) prepared sample reveal that it is mainly attributed to a synergetic effect of the nylon membrane and the composite film with nanoporous structure formed by the intertwined nanowires, besides the intrinsic flexibility of nylon. Finally, a thermoelectric prototype composed of nine legs of the optimized hybrid film generates a voltage and a maximum power of 15 mV and 320 nW, respectively, at a temperature gradient of 30 K. This work offers an effective approach for high TE performance inorganic/ polymer composite film for flexible TE devices.
KeywordPEDOT:PSS copper selenide nanowire composite thermoelectric flexible
DOI10.1021/acsami.9b01718
Language英语
WOS Research AreaScience & Technology - Other Topics ; Materials Science
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:31[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27205
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Lu, Yao,Ding, Yufei,Qiu, Yang,et al. Good Performance and Flexible PEDOT:PSS/Cu2Se Nanowire Thermoelectric Composite Films[J]. ACS APPLIED MATERIALS & INTERFACES,2019,11(13):12819.
APA Lu, Yao.,Ding, Yufei.,Qiu, Yang.,Cai, Kefeng.,Yao, Qin.,...&Chen, Lidong.(2019).Good Performance and Flexible PEDOT:PSS/Cu2Se Nanowire Thermoelectric Composite Films.ACS APPLIED MATERIALS & INTERFACES,11(13),12819.
MLA Lu, Yao,et al."Good Performance and Flexible PEDOT:PSS/Cu2Se Nanowire Thermoelectric Composite Films".ACS APPLIED MATERIALS & INTERFACES 11.13(2019):12819.
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