6814 Suchergebnisse für: „“

Core-shell heterojunction solar cells on silicon nanowire arrays

Highly efficient core-shell TCO/a-Si/Si nanowires (SiNWs) heterojunction solar cells were fabricated on SiNW arrays prepared by metal assisted wet chemical etching of an n-type silicon wafer. The silver...

Lichtfallen für Solarzellen

Nanotechnology under the microscope

Catching the Sun

Magnetic domain wall pinning by kinks in magnetic nanostripes

We report a combined micromagnetic and experimental study dealing with the influence of the nanostripe geometry on the domain wall (DW) pinning at kinks in nanostripes. For both, the experiments as well...

Light bullets in waveguide arrays: spacetimecoupling, spectral symmetry breaking and superluminal decay [Invited]

We investigate the effects of the space-time coupling (STC) on the nonlinear formation and propagation of Light Bullets, spatiotemporal solitons in which dispersion and diffraction along all dimensions...

High precision micro-displacement fiber sensor through a suspended-core Sagnac interferometer

A sensing system for micro-displacement measurement based in a suspended-core fiber Sagnac interferometer is presented. The suspended-core fiber characterization was made through the use of an optical...

Design von Hochleistungstransportfasern mit wenigen Moden

Die mit Glasfasern übertragbare optische Leistung ist begrenzt durch Materialschädigungen und das Auftreten nichtlinearer optischer Effekte bei zu hoher Spitzenintensität, deren Reduzierung durch eine...

Influence of the contacting scheme in simulations of radial silicon nanorod solar cells

Silicon nanorod solar cells were simulated using the Silvaco Technical Computer Aided Design (TCAD) software suite. For reasons of speed optimization the simulations were performed in cylinder coordinates...

Preparation and Characterization of Multicore SERS Labels by Controlled Aggregation of Gold Nanoparticles

Optimized labels for surface enhanced Raman spectroscopy (SERS) give comparable sensitivities than fluorescence labels. Most important advantages of the SERS approach are the narrow width of Raman bands...