2024-03-29T14:56:42Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/1510002021-12-28T16:19:36Zcom_10261_46com_10261_3col_10261_299
DIGITAL.CSIC
author
Kiefer, David
author
Liyang, Yu
author
Fransson, Erik
author
Gómez Rodríguez, Andrés
author
Primetzhofer, Daniel
author
Amassian, Aram
author
Campoy Quiles, Mariano
author
Müller, Christian
funder
Swedish Research Council
funder
Knut and Alice Wallenberg Foundation
funder
Swedish Foundation for Strategic Research
funder
European Research Council
funder
National Science Foundation (US)
funder
National Institutes of Health (US)
funder
Ministerio de Economía y Competitividad (España)
2017-06-07T09:02:27Z
2017-06-07T09:02:27Z
2017-01
Advanced Science 4(1): 1600203 (2017)
2198-3844
http://hdl.handle.net/10261/151000
10.1002/advs.201600203
http://dx.doi.org/10.13039/501100004063http://dx.doi.org/10.13039/501100000781http://dx.doi.org/10.13039/100000001http://dx.doi.org/10.13039/100000002http://dx.doi.org/10.13039/501100003329
28105396
Poly(ethylene oxide) is demonstrated to be a suitable matrix polymer for the solution-doped conjugated polymer poly(3-hexylthiophene). The polarity of the insulator combined with carefully chosen processing conditions permits the fabrication of tens of micrometer-thick films that feature a fine distribution of the F4TCNQ dopant:semiconductor complex. Changes in electrical conductivity from 0.1 to 0.3 S cm−1 and Seebeck coefficient from 100 to 60 μV K−1 upon addition of the insulator correlate with an increase in doping efficiency from 20% to 40% for heavily doped ternary blends. An invariant bulk thermal conductivity of about 0.3 W m−1 K−1 gives rise to a thermoelectric Figure of merit ZT ∼ 10−4 that remains unaltered for an insulator content of more than 60 wt%. Free-standing, mechanically robust tapes illustrate the versatility of the developed dopant:semiconductor:insulator ternary blends.
eng
openAccess
Conjugated polymers
Insulators
Molecular dopants
Organic thermoelectrics
Semiconductors
Ternary blend
A Solution-Doped Polymer Semiconductor:Insulator Blend for Thermoelectrics
artículo
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URL
https://digital.csic.es/bitstream/10261/151000/1/Kiefer_AdvSci_2017_editorial.pdf
File
MD5
9a78ede1241ea62dfb62cf7e9b8cc8a6
2000180
application/pdf
Kiefer_AdvSci_2017_editorial.pdf