Size-tunable infrared (1000–1600 nm) electroluminescence from PbS quantum-dot nanocrystals in a semiconducting polymer
L Bakueva, S Musikhin, MA Hines, TWF Chang… - Applied physics …, 2003 - pubs.aip.org
Nanocomposites consisting of PbS nanocrystals in a conjugated polymer matrix were
fabricated. We report results of photo-and electroluminescence across the range of 1000 to
1600 nm with tunability obtained via the quantum-size effect. The intensity of
electroluminescence reached values corresponding to an internal quantum efficiency up to
1.2%. We discuss the impact of using different-length capping ligands on the transfer of
excitations from polymer matrix to nanocrystals.
fabricated. We report results of photo-and electroluminescence across the range of 1000 to
1600 nm with tunability obtained via the quantum-size effect. The intensity of
electroluminescence reached values corresponding to an internal quantum efficiency up to
1.2%. We discuss the impact of using different-length capping ligands on the transfer of
excitations from polymer matrix to nanocrystals.
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