Unsworth, Natalie Kate, Hancox, Ian, Argent Dearden, Chloe, Howells, Thomas J., Sullivan, Paul J., Lilley, R. S., Sharp, J. and Jones, T. S. (Tim S.) (2013) Highly conductive spray deposited poly(3, 4-ethylenedioxythiophene):poly (styrenesulfonate) electrodes for indium tin oxide-free small molecule organic photovoltaic devices. Applied Physics Letters, Volume 103 (Number 17). 173304. doi:10.1063/1.4826651

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Abstract

Spray deposition is currently attracting significant attention as a low cost method for organic photovoltaic (OPV) device fabrication. We report indium tin oxide (ITO)-free small moleule OPV devices comparing spin coated and spray deposited highly conductive poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) as the transparent conducting electrode (TCE). Conductive atomic force microscopy studies indicate that despite an increase in surface roughness, spray deposited PEDOT:PSS TCEs display a similar distribution in the surface composition of PEDOT and PSS and provide comparable device performance to spin coated PEDOT:PSS TCEs. Therefore, the TCEs fabricated by spray deposition show potential as an inexpensive solution processable alternative to the conventionally used ITO TCE for OPV devices.

Item Type:	Journal Article
Divisions:	Faculty of Science > Chemistry
Journal or Publication Title:	Applied Physics Letters
Publisher:	American Institute of Physics
ISSN:	0003-6951
Official Date:	21 October 2013
Dates:	Date Event 21 October 2013 Published 24 October 2013 Available 10 October 2013 Accepted 21 July 2013 Submitted
Volume:	Volume 103
Number:	Number 17
Article Number:	173304
DOI:	10.1063/1.4826651
Status:	Peer Reviewed
Publication Status:	Published

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