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Proceedings Paper

Inkjet printed PEDOT:PSS for organic devices
Author(s): Arjun Singh; Saumen Mandal; Vandana Singh; Ashish Garg; Monica Katiyar
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Paper Abstract

Printing technology is a low cost technique for the processing of organic electronic devices. Here, we report printing characteristics of poly (3,4-ethylenedioxythiophene) : poly (styrenesulfonate) (PEDOT:PSS), typically used as hole injection/transport layer in various organic devices e.g. organic light emitting diodes, solar cells, and field effect transistors. In this work, we optimize drop spacing and substrate temperature during ink-jet printing of PEDOT:PSS films on rigid (glass) and flexible (PET) substrates. Morphological characterization of the films was performed using optical and scanning electron microscopy. Optical transmittance was measured using UV-Vis spectrophotometer and sheet resistance of the films was measured using four-point probe technique. We find that substrate temperature and drop spacing significantly affect the morphology, in our case decreasing these lead to smooth morphology of the ink-jet printed PEDOT-PSS films.

Paper Details

Date Published: 15 October 2012
PDF: 7 pages
Proc. SPIE 8549, 16th International Workshop on Physics of Semiconductor Devices, 854936 (15 October 2012); doi: 10.1117/12.928190
Show Author Affiliations
Arjun Singh, Indian Institute of Technology Kanpur (India)
Saumen Mandal, Indian Institute of Technology Kanpur (India)
Vandana Singh, Indian Institute of Technology Kanpur (India)
Ashish Garg, Indian Institute of Technology Kanpur (India)
Monica Katiyar, Indian Institute of Technology Kanpur (India)


Published in SPIE Proceedings Vol. 8549:
16th International Workshop on Physics of Semiconductor Devices
Monica Katiyar; B. Mazhari; Y N Mohapatra, Editor(s)

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