Large Blue Shift of the Biexciton State in Tellurium Doped CdSe Colloidal Quantum Dots

The exciton−exciton interaction energy of tellurium doped CdSe colloidal quantum dots is experimentally investigated. The dots exhibit a strong Coulomb repulsion between the two excitons, which results in a huge measured biexciton blue shift of up to 300 meV. Such a strong Coulomb repulsion implies...

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Veröffentlicht in:	Nano letters 2008-08, Vol.8 (8), p.2384-2387
Hauptverfasser:	Avidan, Assaf, Oron, Dan
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Condensed matter: electronic structure, electrical, magnetic, and optical properties Cross-disciplinary physics: materials science rheology Electron states Electronics Exact sciences and technology Excitons and related phenomena Materials science Molecular electronics, nanoelectronics Nanocrystalline materials Nanoscale materials and structures: fabrication and characterization Physics Quantum dots Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Online-Zugang:	Volltext
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