Ultrafast Electronic Delocalization in CdSe/CdS Quantum Rod Heterostructures

Femtosecond cross-polarized transient grating (CPTG) and polarization anisotropy were used to probe the extent of electronic delocalization in CdSe/CdS quantum rod heterostructures (QRH) with a “dot-in-rod” geometry. The alignment of the bulk valence and conduction band edges of CdSe and CdS suggest...

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Veröffentlicht in:	Nano letters 2011-11, Vol.11 (11), p.4923-4931
Hauptverfasser:	Smith, E. Ryan, Luther, Joseph M, Johnson, Justin C
Format:	Artikel
Sprache:	eng
Schlagworte:	Anisotropy Cadmium Compounds - chemistry Cadmium selenides Cadmium sulfides Condensed matter: electronic structure, electrical, magnetic, and optical properties Conduction band Decomposition Electron states Electron Transport Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures Electronic structure of nanoscale materials : clusters, nanoparticles, nanotubes, and nanocrystals Electronics Exact sciences and technology exciton wave function Excitons and related phenomena Heterostructures Intermetallics Materials Testing nanorods NANOSCIENCE AND NANOTECHNOLOGY Nanostructure Physics polarized transient grating Quantum Dots Selenium Compounds - chemistry SOLAR ENERGY Sulfides - chemistry
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