1.3 μm to 1.55 μm Tunable Electroluminescence from PbSe Quantum Dots Embedded within an Organic Device

Authors


  • J. S. Steckel and S. Coe-Sullivan contributed equally to this work. We thank M. Frangillo for assistance with the high-resolution electron microscopy. This work was funded in part by the NSF-MRSEC program (DMR 0213282) and by the U.S. Army through the Institute for Soldier Nanotechnologies, under Contract DAAD-19-02-0002 with the U.S. Army Research Office.

Abstract

Large area (mm2 in size) infrared electroluminescent devices are demonstrated using colloidally grown PbSe quantum dots (QDs) in organic host materials. By changing the QD size the electroluminescence is tuned from λ = 1.33–1.56 μm. The fabrication of this light-emitting device (see Figure) combines the thin film processing techniques available to organic materials with the tunable optical properties of PbSe QDs.

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