Ultrafast Exciton Dynamics in Doubly Emitting Asymmetric Giant PbS/CdS/CdS Nanocrystals

G. Sirigu; A. Camellini; H. Zhao; H. Zhao; A. Parisini; F. Rosei; F. Rosei; V. Morandi; A. Vomiero; A. Vomiero; A. Vomiero; M. Zavelani-Rossi

2015 European Conference on Lasers and Electro-Optics - European Quantum Electronics Conference
(Optica Publishing Group, 2015),
paper CE_5a_1

Ultrafast Exciton Dynamics in Doubly Emitting Asymmetric Giant PbS/CdS/CdS Nanocrystals

G. Sirigu, A. Camellini, H. Zhao, A. Parisini, F. Rosei, V. Morandi, A. Vomiero, and M. Zavelani-Rossi

The European Conference on Lasers and Electro-Optics 2015

Munich Germany
21–25 June 2015
ISBN: 978-1-4673-7475-0

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Semiconductor Technology and Semiconductor Characterization I (CE_5a)

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G. Sirigu, A. Camellini, H. Zhao, A. Parisini, F. Rosei, V. Morandi, A. Vomiero, and M. Zavelani-Rossi, "Ultrafast Exciton Dynamics in Doubly Emitting Asymmetric Giant PbS/CdS/CdS Nanocrystals," in 2015 European Conference on Lasers and Electro-Optics - European Quantum Electronics Conference, (Optica Publishing Group, 2015), paper CE_5a_1.

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Abstract

Semiconductor nanocrystals (NCs) are interesting optical materials that have been explored for a range of applications such as light emitting diodes (LEDs), photovoltaic cells, lasers and biologic markers. For practical optical uses heterostructured NCs with thick shells (“giant NCs”) offer the advantage of supressed photoluminescence intermittency and reduced rates of Auger recombination. Giant NCs with proper structures can present simultaneous two-colour emission, due to core and shell states [1-2]. These NCs can be convenient for example in very accurate and self-calibrating nanosystems.

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