Çelebi, E. B., Cameron, J. , Skabara, P. J. and Hacivelioğlu, F. (2024) Poly(3,4-ethylenedioxythiophene)/poly(bis(4-phenoxysulfonic acid)phosphazene) conductive composites: an alternative interfacial layer to PEDOT : PSS. Journal of Materials Chemistry C, 12(12), pp. 4261-4266. (doi: 10.1039/D4TC00109E)
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Abstract
Poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT : PSS) is a popular solution-processable hole transporting layer used in organic semiconductor devices such as organic light-emitting diodes or organic photovoltaics. It has benefits such as suitability for orthogonal processing, tunable conductivity and smooth film formation, yet the PSS polyelectrolyte is prone to degradation, impacting device performance or lifetime. In this work we present the use of PEDOT blends with a poly(bis(4-phenoxysulfonic acid)phosphazene) (PSAP) polyelectrolyte and study the effect of the PEDOT : PSAP ratio on the composite material properties. A comparable doping level can be achieved in PEDOT : PSAP films with respect to PEDOT : PSS and, as a result, an appropriate electrical conductivity for use as a hole transport layer can be achieved. Finally, when applied in organic light-emitting diodes, the use of PEDOT : PSAP hole transport layers can boost the external quantum efficiency, highlighting the promising performance of PSAP polyelectrolyte in conductive blends.
| Item Type: | Articles |
|---|---|
| Additional Information: | We greatly acknowledge the Royal Society for funding our research under the grant number NAF_R2_180625. We also acknowledge TUBITAK for their support for FH (grant number 113Z314) and EBC (2219-International Postdoctoral Research Fellowship). JC thanks the EPSRC for funding (grant number EP/T022477/1). |
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Cameron, Dr Joseph and Celebi, Dr Elif Bursa and Skabara, Professor Peter and Hacivelioglu, Dr Ferda |
| Creator Roles: | Celebi, E. B.Conceptualization, Data curation, Formal analysis, Investigation, Writing – original draft Cameron, J.Data curation, Investigation, Methodology, Writing – original draft Skabara, P.Funding acquisition, Project administration, Supervision, Writing – review and editing Hacivelioglu, F.Conceptualization, Funding acquisition, Project administration, Supervision, Writing – original draft |
| Authors: | Çelebi, E. B., Cameron, J., Skabara, P. J., and Hacivelioğlu, F. |
| College/School: | College of Science and Engineering > School of Chemistry |
| Journal Name: | Journal of Materials Chemistry C |
| Publisher: | Royal Society of Chemistry |
| ISSN: | 2050-7526 |
| ISSN (Online): | 2050-7534 |
| Published Online: | 26 February 2024 |
| Copyright Holders: | Copyright © The Royal Society of Chemistry 2024 |
| First Published: | First published in Journal of Materials Chemistry C 12(12):4261-4266 |
| Publisher Policy: | Reproduced under a Creative Commons license |
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