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Effect of ZnS shell on the Raman spectra from CdSe nanorods
Author(s) -
Lange Holger,
Machón María,
Artemyev Mikhail,
Woggon Ulrike,
Thomsen Christian
Publication year - 2007
Publication title -
physica status solidi (rrl) – rapid research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.786
H-Index - 68
eISSN - 1862-6270
pISSN - 1862-6254
DOI - 10.1002/pssr.200701133
Subject(s) - nanorod , phonon , raman spectroscopy , shell (structure) , epitaxy , spectral line , materials science , optical spectra , shell model , condensed matter physics , nanotechnology , molecular physics , chemistry , optics , atomic physics , physics , composite material , layer (electronics) , astronomy
We investigated the influence of an epitaxially grown ZnS shell on the phonon spectra of CdSe nanorods of different sizes. The CdSe related Raman peaks shift with addition of a ZnS shell. The longitudinal optical phonon shifts slightly due to strain and the low‐energy shoulder shifts stronger, which can be explained within a model for surface optical phonons. (© 2007 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)