Anisotropic optical emission of single CdSe/CdS tetrapod heterostructures: Evidence for a wavefunction symmetry breaking

C. Mauser; T. Limmer; E. Da Como; K. Becker; A. L. Rogach; J. Feldmann; D. V. Talapin

doi:10.1103/PhysRevB.77.153303

Anisotropic optical emission of single CdSe/CdS tetrapod heterostructures: Evidence for a wavefunction symmetry breaking

C. Mauser
, T. Limmer
, E. Da Como
, K. Becker
, A. L. Rogach
, J. Feldmann
, D. V. Talapin

Research output: Journal Publications and Reviews › RGC 22 - Publication in policy or professional journal

52 Citations (Scopus)

Abstract

Semiconductor tetrapods are expected to exhibit isotropic optical properties due to their tetrahedral symmetry. We have investigated the optical polarization properties of individual CdSeâ•CdS tetrapods of high structural quality. In contrast to the light absorption behavior, a pronounced anisotropy is observed in the optical emission. This unexpected result can only be explained by assuming a symmetry breaking in the electronic wavefunction. Calculations reveal that slight differences between the arm diameters induce the polarized emission and a decrease in the photoluminescence intensity. © 2008 The American Physical Society.

Original language	English
Article number	153303
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	77
Issue number	15
DOIs	https://doi.org/10.1103/PhysRevB.77.153303
Publication status	Published - 15 Apr 2008
Externally published	Yes

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title = "Anisotropic optical emission of single CdSe/CdS tetrapod heterostructures: Evidence for a wavefunction symmetry breaking",

abstract = "Semiconductor tetrapods are expected to exhibit isotropic optical properties due to their tetrahedral symmetry. We have investigated the optical polarization properties of individual CdSe{\^a}•CdS tetrapods of high structural quality. In contrast to the light absorption behavior, a pronounced anisotropy is observed in the optical emission. This unexpected result can only be explained by assuming a symmetry breaking in the electronic wavefunction. Calculations reveal that slight differences between the arm diameters induce the polarized emission and a decrease in the photoluminescence intensity. {\textcopyright} 2008 The American Physical Society.",

author = "C. Mauser and T. Limmer and \{Da Como\}, E. and K. Becker and Rogach, \{A. L.\} and J. Feldmann and Talapin, \{D. V.\}",

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doi = "10.1103/PhysRevB.77.153303",

language = "English",

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journal = "Physical Review B - Condensed Matter and Materials Physics",

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Anisotropic optical emission of single CdSe/CdS tetrapod heterostructures: Evidence for a wavefunction symmetry breaking. / Mauser, C.; Limmer, T.; Da Como, E. et al.
In: Physical Review B - Condensed Matter and Materials Physics, Vol. 77, No. 15, 153303, 15.04.2008.

Research output: Journal Publications and Reviews › RGC 22 - Publication in policy or professional journal

TY - JOUR

T1 - Anisotropic optical emission of single CdSe/CdS tetrapod heterostructures

T2 - Evidence for a wavefunction symmetry breaking

AU - Mauser, C.

AU - Limmer, T.

AU - Da Como, E.

AU - Becker, K.

AU - Rogach, A. L.

AU - Feldmann, J.

AU - Talapin, D. V.

PY - 2008/4/15

Y1 - 2008/4/15

N2 - Semiconductor tetrapods are expected to exhibit isotropic optical properties due to their tetrahedral symmetry. We have investigated the optical polarization properties of individual CdSeâ•CdS tetrapods of high structural quality. In contrast to the light absorption behavior, a pronounced anisotropy is observed in the optical emission. This unexpected result can only be explained by assuming a symmetry breaking in the electronic wavefunction. Calculations reveal that slight differences between the arm diameters induce the polarized emission and a decrease in the photoluminescence intensity. © 2008 The American Physical Society.

AB - Semiconductor tetrapods are expected to exhibit isotropic optical properties due to their tetrahedral symmetry. We have investigated the optical polarization properties of individual CdSeâ•CdS tetrapods of high structural quality. In contrast to the light absorption behavior, a pronounced anisotropy is observed in the optical emission. This unexpected result can only be explained by assuming a symmetry breaking in the electronic wavefunction. Calculations reveal that slight differences between the arm diameters induce the polarized emission and a decrease in the photoluminescence intensity. © 2008 The American Physical Society.

UR - https://www.scopus.com/pages/publications/42149115705

UR - https://www.scopus.com/record/pubmetrics.uri?eid=2-s2.0-42149115705&origin=recordpage

U2 - 10.1103/PhysRevB.77.153303

DO - 10.1103/PhysRevB.77.153303

M3 - RGC 22 - Publication in policy or professional journal

SN - 0163-1829

VL - 77

JO - Physical Review B - Condensed Matter and Materials Physics

JF - Physical Review B - Condensed Matter and Materials Physics

IS - 15

M1 - 153303

ER -

Anisotropic optical emission of single CdSe/CdS tetrapod heterostructures: Evidence for a wavefunction symmetry breaking

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