Measuring optical anisotropy in poly(3,4-ethylene dioxythiophene):poly(styrene sulfonate) films with added graphene
Isoniemi, T., Tuukkanen, S., Cameron, D. C., Simonen, J., & Toppari, J. (2015). Measuring optical anisotropy in poly(3,4-ethylene dioxythiophene):poly(styrene sulfonate) films with added graphene. Organic electronics, 25(October), 317-323. https://doi.org/10.1016/j.orgel.2015.06.037
Julkaistu sarjassa
Organic electronicsPäivämäärä
2015Tekijänoikeudet
© 2015 Elsevier B.V. This is a preprint version of an article whose final and definitive form has been published by Elsevier.
Graphene is a 2D nanomaterial having a great potential for applications in electronics and optoelectronics. Composites of graphene with conducting polymers have shown high performance in practical devices and their solution-processability enables low-cost and high-throughput mass manufacturing using printing techniques. Here we measure the effect of incorporation of graphene into poly(3,4-ethylene dioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) to the optical anisotropy, absorbance and conductivity of the film. Uniaxial anisotropy in PEDOT:PSS films has been thought to be caused by the spin-coating process used in fabrication. We have characterized spray- and spin-coated films using ellipsometry and total internal reflection spectroscopy, the latter especially for films too thick and uneven for ellipsometry, and show that spray-coating, similar to inkjet printing, also produces consistently anisotropic properties even in very thick and uneven films. Possible plasmonic excitations related to graphene are not seen in the films. The optical and electrical anisotropy of graphene/PEDOT:PSS enables routes to high performance devices for electronics, photonics and optoelectronics.
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Julkaisija
Elsevier BV * North-HollandISSN Hae Julkaisufoorumista
1566-1199Asiasanat
Julkaisu tutkimustietojärjestelmässä
https://converis.jyu.fi/converis/portal/detail/Publication/24800282
Metadata
Näytä kaikki kuvailutiedotKokoelmat
Rahoittaja(t)
Suomen AkatemiaRahoitusohjelmat(t)
Akatemiaohjelma, SALisätietoja rahoituksesta
Funding from the Academy of Finland is grate-fully acknowledged (Projects 135193, 218182, 263868, 283011, 138146).Samankaltainen aineisto
Näytetään aineistoja, joilla on samankaltainen nimeke tai asiasanat.
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