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research article

Temperature effects on the spectral properties of colloidal CdSe nanodots, nanorods, and tetrapods

Al Salman, A.  
•
Tortschanoff, A.  
•
Mohamed, M. B.
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2007
Applied Physics Letters

The temp. dependence of the absorption and fluorescence spectra of colloidal CdSe nanocrystals was compared for three different shapes (dots, rods, and tetrapods) at 4-300 K. While the shift of the fluorescence max. indicates little dependence on the shape, the broadening of the emission spectrum behaves very differently for dots and rods, indicating major differences in the broadening mechanisms for different shapes. Tetrapods behave more similarly to dots, which suggests that the lowest exciton state is centered at the core. [on SciFinder (R)]

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Type
research article
DOI
10.1063/1.2696687
Web of Science ID

WOS:000244591700076

Author(s)
Al Salman, A.  
•
Tortschanoff, A.  
•
Mohamed, M. B.
•
Tonti, D.  
•
van Mourik, F.  
•
Chergui, M.  
Date Issued

2007

Published in
Applied Physics Letters
Volume

90

Issue

9

Start page

093104/1

End page

093104/3

Subjects

Particle shape (effect of; temp. effects on spectral properties of colloidal CdSe nanodots

•

nanorods

•

and tetrapods); Nanostructures (nanorods; temp. effects on spectral properties of colloidal CdSe nanodots

•

nanorods

•

and tetrapods); Fluorescence; Nanoparticles; UV and visible spectra (temp. effects on spectral properties of colloidal CdSe nanodots

•

nanorods

•

and tetrapods)

•

temp spectral property colloidal cadmium selenide nanoparticle; nanodot nanorod tetrapod absorption fluorescence

•

nanorods

•

nanorods

Note

CAN 146:430622

73-5

Optical, Electron, and Mass Spectroscopy and Other Related Properties

Ecole Polytechnique Federale de Lausanne,Laboratoire de Spectroscopie Ultrarapide, ISIC-FSB-BSP,Lausanne,Switz.

Journal

written in English.

1306-24-7 (Cadmium selenide) Role: PRP (Properties) (temp. effects on spectral properties of colloidal CdSe nanodots, nanorods, and tetrapods)

Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LSU  
Available on Infoscience
May 31, 2007
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/7507
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