Abstract
We report on atomic force microscopy (AFM) and scanning electron microscopy (SEM) studies in order to investigate the morphological aspects of a blend of a conjugated polymer (methyl substituted laddertype poly(p-phenylene) (mLPPP)) with a solid state electrolyte (a crown ether (Dicycolhexano18crown6 (DCH18C6) complexed with a lithium salt (Lithiumtrifluoromethanesulfonte, LiCF 3 SO 3 , LiTf for short)), ratio 20:20:4 by weight, as it was successfully applied in light-emitting electrochemical cells (LECs). While a blend of the polymer with the pristine crown ether (ratio 20:20 by weight) has a smooth surface morphology, the addition of ions causes a distinct increase of the surface roughness.
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