Good Performance and Flexible PEDOT:PSS/Cu2Se Nanowire Thermoelectric Composite Films

Lu, Yao1; Ding, Yufei1; Qiu, Yang2,3; Cai, Kefeng1; Yao, Qin4; Song, Haijun1; Tong, Liang1; He, Jiaqing2,3; Chen, Lidong4

2019-04-03

10.1021/acsami.9b01718

ACS Applied Materials & Interfaces   影响因子和分区

1944-8244

1944-8252

Herein, 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.

PEDOT:PSS copper selenide nanowire composite thermoelectric flexible

SCI ; EI

英语

通讯

Innovation Commission of Shenzhen Municipality[KQTD2016022619565991] ; Innovation Commission of Shenzhen Municipality[KQCX2015033110182370]

Science & Technology - Other Topics ; Materials Science

Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary

WOS:000463843900072

AMER CHEMICAL SOC

20191306701653

Composite materials ; Conducting polymers ; Copper compounds ; Electric power factor ; Film preparation ; Ion beams ; Microfiltration ; Molar ratio ; Nanowires ; Polyamides ; Rayon ; Selenium compounds

Semiconducting Materials:712.1 ; Nanotechnology:761 ; Chemical Operations:802.3 ; Polymeric Materials:815.1 ; Organic Polymers:815.1.1 ; Synthetic Fibers:819.2 ; High Energy Physics:932.1 ; Solid State Physics:933 ; Materials Science:951

Web of Science

1.Tongji Univ, Sch Mat Sci & Engn, Minist Educ, Key Lab Adv Civil Engn Mat, 4800 Caoan Rd, Shanghai 201804, Peoples R China
2.Southern Univ Sci & Technol, Mat Characterizat & Preparat Ctr, Shenzhen 518055, Peoples R China
3.Southern Univ Sci & Technol, Dept Phys, Shenzhen 518055, Peoples R China
4.Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 200050, Peoples R China

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):12819-12829.

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),12819-12829.

Lu, Yao,et al."Good Performance and Flexible PEDOT:PSS/Cu2Se Nanowire Thermoelectric Composite Films".ACS Applied Materials & Interfaces 11.13(2019):12819-12829.