ScholarWorks: Hybrid organic-inorganic light-emitting electrochemical cells using fluorescent polymer and ionic liquid blend as an active layer

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Next Generation Energy Laboratory

Research Interests

Polymer solar cells, QD solar cells, organic-inorganic hybrid solar cells, perovskite solar cells, OLEDs, PeLEDs, organic FETs

Hybrid organic-inorganic light-emitting electrochemical cells using fluorescent polymer and ionic liquid blend as an active layer

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Title: Hybrid organic-inorganic light-emitting electrochemical cells using fluorescent polymer and ionic liquid blend as an active layer

Author: Lee, Hyun Jung; Lee, Bo Ram; Park, Ji Sun; Kim, Sang Ouk; Kim, Jin Young; Song, Myoung Hoon

Keywords: Active Layer; Air stability; Device performance; Electroluminescence efficiencies; Fluorescent polymers; Layer interfaces; Light-emitting electrochemical cell; Liquid molecules; Low operating voltage; Organic-inorganic

Abstract: We demonstrate enhanced device performance by using a blend of emissive polymer and mobile ionic liquid molecules in hybrid organic-inorganic polymeric light-emitting electrochemical cells with high air stability. The mobile anions and cations redistributed near each electrode/active layer interface make ohmic contacts, thereby enhancing current density and electroluminescence efficiency at relatively low operating voltage.