Adding optical functionality to a silicon microelectronic chip is one of the most challenging
problems of materials research. Silicon is an indirect-bandgap semiconductor and so is an …

PHOTONIC devices are becoming increasingly important in information and communication
technologies. But attempts to integrate photonics with silicon-based microelectronics are …

There is currently worldwide interest in developing silicon-based active optical components
in order to leverage the infrastructure of silicon microelectronics technology for the …

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Crystalline, size-selected Si nanocrystals in the size range 1.8–10 nm grown in inverse
micellar cages exhibit highly structured optical absorption and photoluminescence PL …

The dynamics and spectroscopy of silicon nanocrystals that emit at visible wavelengths were
analyzed. Size-selective precipitation and size-exclusion chromatography cleanly separate …

Crystalline silicon is the most important semiconductor material in the electronics industry.
However, silicon has poor optical properties because of its indirect bandgap, which prevents …

Silicon nanocrystals with diameters of less than 5 nm show efficient photoluminescence at
room temperature. For ensembles of silicon quantum dots, previous reports of …

Carrier multiplication by generation of two or more electron–hole pairs following the
absorption of a single photon may lead to improved photovoltaic efficiencies and has been …

Photonic bandgap crystals can reflect light for any direction of propagation in specific
wavelength ranges,,. This property, which can be used to confine, manipulate and guide …