Journal
NANO LETTERS
Volume 6, Issue 3, Pages 478-482Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl0524492
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We investigated CdTe nanocrystal tetrapods of different sizes by resonant inelastic light scattering at room temperature and under cryogenic conditions. We observe a strongly resonant behavior of the phonon scattering with the excitonic structure of the tetrapods. Under resonant conditions we detect a set of phonon modes that can be understood as confined longitudinal-optical phonons, surface-optical phonons, and transverse-optical phonons in a nanowire picture.
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