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Exciton-Exciton Interaction and Optical Gain in Colloidal CdSe/CdS Dot/Rod Nanocrystals.
Saba, Michele; Minniberger, Stefan; Quochi, Francesco; Roither, Juergen; Marceddu, Marco; Gocalinska, Agnieszka; Kovalenko, Maksym V; Talapin, Dmitri V; Heiss, Wolfgang; Mura, Andrea; Bongiovanni, Giovanni.
Afiliação
  • Saba M; Dipartimento di Fisica and SLACS-CNR/INFM, Università di Cagliari 09042 Monserrato (Italy).
  • Minniberger S; Institute of Semiconductor and Solid State Physics Johannes Kepler University Altenbergerstr. 6g, 4040 Linz (Austria).
  • Quochi F; Dipartimento di Fisica and SLACS-CNR/INFM, Università di Cagliari 09042 Monserrato (Italy).
  • Roither J; Institute of Semiconductor and Solid State Physics Johannes Kepler University Altenbergerstr. 6g, 4040 Linz (Austria).
  • Marceddu M; Dipartimento di Fisica and SLACS-CNR/INFM, Università di Cagliari 09042 Monserrato (Italy).
  • Gocalinska A; Dipartimento di Fisica and SLACS-CNR/INFM, Università di Cagliari 09042 Monserrato (Italy).
  • Kovalenko MV; Department of Chemistry, The University of Chicago Chicago, IL 60637 (USA).
  • Talapin DV; Department of Chemistry, The University of Chicago Chicago, IL 60637 (USA).
  • Heiss W; Institute of Semiconductor and Solid State Physics Johannes Kepler University Altenbergerstr. 6g, 4040 Linz (Austria).
  • Mura A; Dipartimento di Fisica and SLACS-CNR/INFM, Università di Cagliari 09042 Monserrato (Italy).
  • Bongiovanni G; Dipartimento di Fisica and SLACS-CNR/INFM, Università di Cagliari 09042 Monserrato (Italy).
Adv Mater ; 21(48): 4942-4946, 2009 Dec 28.
Article em En | MEDLINE | ID: mdl-25376736
ABSTRACT
Exciton-exciton interaction in dot/rod CdSe/CdS nanocrystals has proved to be very sensitive to the shape of nanocrystals, due to the unique band alignment between CdSe and CdS. Repulsive exciton-exciton interaction is demonstrated, which makes CdSe/CdS dot/rods promising gain media for solution-processable lasers, with projected pump threshold densities below 1 kW cm(-2) for continuous wave lasing.
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Texto completo: 1 Base de dados: MEDLINE Idioma: En Ano de publicação: 2009 Tipo de documento: Article
Texto completo
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XML
PubMed Links
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Texto completo: 1 Base de dados: MEDLINE Idioma: En Ano de publicação: 2009 Tipo de documento: Article