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Durham University

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Publication details for Dr Chris Groves

Chaudhry, Mujeeb Ullah, Tetzner, Kornelius, Lin, Yen-Hung, Nam, Sungho, Pearson, Christopher, Groves, Chris, Petty, Michael C., Anthopoulos, Thomas D. & Bradley, Donal D. C. (2018). Low-Voltage Solution-Processed Hybrid Light-Emitting Transistors. ACS Applied Materials & Interfaces 10(22): 18445-18449.

Author(s) from Durham


We report the development of low operating voltages in inorganic–organic hybrid light-emitting transistors (HLETs) based on a solution-processed ZrOx gate dielectric and a hybrid multilayer channel consisting of the heterojunction In2O3/ZnO and the organic polymer “Super Yellow” acting as n- and p-channel/emissive layers, respectively. Resulting HLETs operate at the lowest voltages reported to-date (<10 V) and combine high electron mobility (22 cm2/(V s)) with appreciable current on/off ratios (≈103) and an external quantum efficiency of 2 × 10–2% at 700 cd/m2. The charge injection, transport, and recombination mechanisms within this HLET architecture are discussed, and prospects for further performance enhancement are considered.