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Jung, Yun Kyung
Soft and Hybrid Nanomaterials Lab
Research Interests
  • Polymer-based Biosensor

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Switchable polarity in polymer solar cells using conjugated polyelectrolyte

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Title
Switchable polarity in polymer solar cells using conjugated polyelectrolyte
Author
Shin, I.Lee, J.Oh, S.H.Kang, P.H.Jung, Yun KyungPark, S.H.
Keywords
Polymer solar cell; Polyelectrolyte; Organic device; Solar cell
Issue Date
2014
Publisher
ELSEVIER SCIENCE SA
Citation
SYNTHETIC METALS, v.188, no., pp.1 - 5
Abstract
We report polarity-switchable polymer solar cells that use poly [(9,9-bis((6′-(N,N,N-trimethylammonium)hexyl)-2,7-fluorene)-alt-(9, 9-bis(2-(2-(2-methoxy-ethoxy)ethoxy)ethyl)-9-fluorene))dibromide polyelectrolyte (WPF-6-oxy-F). By introducing WPF-6-oxy-F as a polarity-controlling layer, we selectively achieved polarity switching in the device operation. When we deposited the WPF-6-oxy-F film on the top of an active polymer layer, the device operated conventionally; holes moved to the transparent indium tin oxide (ITO) electrode. However, the device showed switched polarity when we changed the position of insertion of the WPF-6-oxy-F film to the top of the transparent ITO electrode. Then, the electrons moved to the transparent ITO electrode, leading to an inverted device.
URI
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DOI
http://dx.doi.org/10.1016/j.synthmet.2013.10.035
ISSN
0379-6779
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