Air-stable operation of transparent, colloidal quantum dot based LEDs with a unipolar device architecture
Vanessa Wood1, Matthew J Panzer, Jean-Michel Caruge
1Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
Nano Letters
|December 24, 2009
Abstract:
We report a novel unipolar light-emitting device architecture that operates using direct-current, field-driven electroluminescence of colloidally synthesized quantum dots (QDs). This device architecture, which is based only on transparent ceramics and QDs, enables emission from different color QDs and, for the first time, constant QD electroluminescence during extended operation in air, unpackaged.


