Tuning Radiative Recombination in Cu-Doped Nanocrystals via Electrochemical Control of Surface Trapping

The incorporation of copper dopants into II–VI colloidal nanocrystals (NCs) leads to the introduction of intragap electronic states and the development of a new emission feature due to an optical transition which couples the NC conduction band to the Cu-ion state. The mechanism underlying Cu-related...

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Veröffentlicht in:	Nano Lett 2012-08, Vol.12 (8), p.4372-4379
Hauptverfasser:	Brovelli, Sergio, Galland, Christophe, Viswanatha, Ranjani, Klimov, Victor I
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: electronic structure, electrical, magnetic, and optical properties Condensed matter: structure, mechanical and thermal properties Control surfaces Copper Dopants Electron states and collective excitations in thin films, multilayers, quantum wells, mesoscopic and nanoscale systems 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 Emission Emissions control Exact sciences and technology Low-dimensional structures (superlattices, quantum well structures, multilayers): structure, and nonelectronic properties Nanocrystals Nanocrystals and nanoparticles Nanostructure Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation Optical properties of low-dimensional, mesoscopic, and nanoscale materials and structures Physics solar (photovoltaic), solar (fuels), solid state lighting, bio-inspired, electrodes - solar, defects, charge transport, materials and chemistry by design, optics, synthesis (novel materials), synthesis (scalable processing) Surfaces and interfaces thin films and whiskers (structure and nonelectronic properties) Trapping
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