Issue 15, 2014
From the journal:

Nanoscale

Type-tunable amplified spontaneous emission from core-seeded CdSe/CdS nanorods controlled by exciton–exciton interaction†

Yusuf Kelestemur,‡a   Ahmet Fatih Cihan,‡§a   Burak Guzelturka  and  Hilmi Volkan Demir*ab  

* Corresponding authors

a Department of Physics, Department of Electrical and Electronics Engineering, UNAM – Institute of Materials Science and Nanotechnology, Bilkent University, Ankara, Turkey
E-mail: volkan@stanfordalumni.org

b Luminous! Center of Excellence for Semiconductor Lighting and Displays, School of Electrical and Electronic Engineering, School of Physical and Mathematical Sciences, Nanyang Technological University, Nanyang Avenue, Singapore 639798, Singapore

Abstract

Type-tunable optical gain performance of core-seeded CdSe/CdS nanorods is studied via two-photon optical pumping. Controlling the exciton–exciton interaction by varying the core and shell size, blue-shifted and red-shifted modes of amplified spontaneous emission are systematically demonstrated and their type attributions are verified by time-resolved emission kinetics.

Graphical abstract: Type-tunable amplified spontaneous emission from core-seeded CdSe/CdS nanorods controlled by exciton–exciton interaction

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Article information

DOI
https://doi.org/10.1039/C4NR01538J
Article type
Communication
Submitted
20 Mar 2014
Accepted
22 May 2014
First published
26 May 2014

Nanoscale, 2014,6, 8509-8514

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Type-tunable amplified spontaneous emission from core-seeded CdSe/CdS nanorods controlled by exciton–exciton interaction

Y. Kelestemur, A. F. Cihan, B. Guzelturk and H. V. Demir, Nanoscale, 2014, 6, 8509 DOI: 10.1039/C4NR01538J

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