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We report the synthesis of a soluble perylene-based small molecule for use as an n-type emissive material for organic optoelectronic device applications, and demonstrate the material in a light-emitting electrochemical cell configuration. [ABSTRACT FROM AUTHOR]

We report color-tunable light-emitting devices employing CdSe/ZnS quantum dots (QDs) blended into a polymer light-emitting electrochemical cell (LEC) architecture. This novel structure circumvents the charge-tunneling barrier of QDs to achieve bright, uniform, and highly voltage-independent electroluminescence, with nearly all emission generated by the QDs. By blending varying ratios of two QD materials that emit at different wavelengths, we demonstrate precise color control in a single layer device structure. [ABSTRACT FROM AUTHOR]

Fixed-junction light-emitting electrochemical cells (LECs) using ion-pair monomers (IPMs) have been shown to be promising. Here we present several novel polymerizable ionic liquids that combine the advantages of ionic liquids with the fixed-junction functionality of IPMs. We show significantly improved performance over earlier IPM-based fixed-junction LECs. [ABSTRACT FROM AUTHOR]