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JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 130, Issue 14, Pages 4594-+Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja711064b
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We report on the narrowest free quantum rods of PbS with 1.7 nm diameter produced in a single step under bench-top reaction conditions. The nanorods exhibit molecule-like discrete narrow optical behavior with high fluorescence quantum yield. We propose a new macroscopic vortex assembly formation by simple spin casting route. Interestingly, the pattern generates fluorescence along its line from the nanorod domains. The ultra narrow nanorods with strong discrete fluorescence and robust stability could be useful in biological labeling, fluorescence resonance energy transfer, and optoelectronics; applications, as well as to verify the theories in the very strong confinement regime.
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