Tuning effective hyperfine fields in PEDOT:PSS thin films by doping

Using electrically detected magnetic resonance spectroscopy, we demonstrate that doping the conducting polymer poly(3,4-ethylenedioxythiophene):poly(styrene-sulfonate) (PEDOT:PSS) with ethylene glycol allows for the control of effective local charge carrier hyperfine fields through motional narrowin...

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Bibliographic Details
Published in:arXiv.org 2018-04
Main Authors: Teferi, M Y, Ogle, J, Joshi, G, Malissa, H, Jamali, S, Baird, D L, Lupton, J M, L Whittaker Brooks, Boehme, C
Format: Article
Language:English
Subjects:
Conducting polymers
Current carriers
Doping
Ethylene glycol
Hyperfine structure
Magnetic properties
Magnetic resonance spectroscopy
Magnetoresistance
Magnetoresistivity
Material properties
Optical properties
Organic semiconductors
Polystyrene resins
Thin films
Tuning
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Summary:Using electrically detected magnetic resonance spectroscopy, we demonstrate that doping the conducting polymer poly(3,4-ethylenedioxythiophene):poly(styrene-sulfonate) (PEDOT:PSS) with ethylene glycol allows for the control of effective local charge carrier hyperfine fields through motional narrowing. These results suggest that doping of organic semiconductors could enable the tuning of macroscopic material properties dependent on hyperfine fields such as magnetoresistance, the magneto-optical responses and spin-diffusion.
ISSN:2331-8422
DOI:10.48550/arxiv.1804.05139