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Room-temperature nanoimprinting on metallo-organic complexes

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6 Author(s)
Mele, Elisa ; NNL, National Nanotechnology Laboratory of Istituto Nazionale di Fisica della Materia (INFM), c/o Dipartimento di Ingegneria dell’Innovazione, Università di Lecce, via Arnesano, I-73100 Lecce, Italy ; Pisignano, D. ; Mazzeo, Marco ; Persano, Luana
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We apply room-temperature nanoimprint lithography to rare-earth metallo-organic complexes, for patterning 600 nm period gratings onto europium-based 612 nm light-emitting compounds. After patterning, an increase of up to 6.2 times of the integrated photoluminescence emitted around Θ=35° was observed, resulting from the combination of the effective Bragg scattering induced by the printed grating, with the very narrow-linewidth emission of the metallo-organic complexes. These results are quite promising for the realization of nanoimprinted rare-earth-based optoelectronic devices, such as light-emitting diodes and displays, and distributed feedback elements. © 2004 American Vacuum Society.

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Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures  (Volume:22 ,  Issue: 3 )