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For the first time, polarized-light-emitting quantum-rod diodes have been successfully produced, using thin layers of quantum rods oriented by a rubbing technique. Diode emission at 620 nm with a luminance efficiency of 0.65 Cd A–1 and an external quantum efficiency of 0.49 % is obtained (see Figure and inside cover).
Hikmet et al. (Tue,) studied this question.