Effects of tetramethylene sulfone solvent additives on conductivity of PEDOT:PSS film and performance of polymer photovoltaic cells

Simple item page
dc.contributor.authorKeawprajak, Anusit
dc.contributor.authorKoetniyom, Wantana
dc.contributor.authorPiyakulawat, Phimwipha
dc.contributor.authorJiramitmongkon, Kanpitcha
dc.contributor.authorPratontep, Sirapat
dc.contributor.authorAsawapirom, Udom
dc.date.accessioned2026-08-06T10:06:17Z
dc.date.available2026-08-06T10:06:17Z
dc.date.issued2013-01-01
dc.description.abstractA solvent additive in PEDOT:PSS solution is one of many methods to improve the conductivity of the poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) films. We explore a new type of the solvent additive, namely tetramethylene sulfone (TMS), for the fabrication of the PEDOT:PSS conductive layer in the ITO/PEDOT:PSS/P3HT:PCBM/TiO<inf>x</inf>/Al polymer photovoltaic cells, in comparison to a more common dimethyl sulfoxide (DMSO) solvent additive. At optimal conditions, the TMS additive at 10 wt.% has been found to enhance the conductivity of pristine PEDOT:PSS films from 0.04 S/cm up to approximately 189 S/cm, compared with the highest conductivity for the case of the DMSO additive at 15 wt.% of 117 S/cm. Possible mechanisms of this conductivity enhancement, relating to the polymer conformation and the film morphology, have been investigated by Raman spectroscopy, X-ray diffraction, atomic force microscopy, and transmission electron microscopy. The performance of the polymer photovoltaic cells fabricated with the solvent additives PEDOT:PSS films follows a similar trend to the conductivity of the films as a function of the additive concentration. The additives mainly lead to greater short circuit current density (J<inf>sc</inf>) of the photovoltaic cells. The highest power conversion efficiency (PCE) of 2.24% of the device has been obtained with the 10 wt.% TMS additive of, compared to the PCE of 1.48% for the standard device without solvent additive. © 2012 Elsevier B.V. All rights reserved.
dc.identifier.citationOrganic Electronics, 14(1), 402-410, 2013
dc.identifier.doi10.1016/j.orgel.2012.11.005
dc.identifier.issn15661199
dc.identifier.other2-s2.0-84872424652
dc.identifier.urihttps://dspace.kmitl.ac.th/handle/123456789/4779
dc.sourceOrganic Electronics
dc.subjectConductivity
dc.subjectMorphology
dc.subjectPEDOT:PSS
dc.subjectPolymer photovoltaic cells
dc.subjectSolvent additive
dc.titleEffects of tetramethylene sulfone solvent additives on conductivity of PEDOT:PSS film and performance of polymer photovoltaic cells
dc.typeArticle

Files

Collections

Research