News tagged with optoelectronics

Nanotube photodetector built

Researchers at Rice University and Sandia National Laboratories have made a nanotube-based photodetector that gathers light in and beyond visible wavelengths. It promises to make possible a unique set of optoelectronic devices, ...

dateFeb 27, 2013 in Nanophysics
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Researchers grow semiconductors on graphene

Researchers at the Norwegian University of Science and Technology (NTNU) have patented and are commercializing GaAs nanowires grown on graphene, a hybrid material with competitive properties. Semiconductors grown on graphene ...

dateSep 10, 2012 in Nanomaterials
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High-speed CMOS sensors provide better images

Conventional CMOS image sensors are not suitable for low-light applications such as fluorescence, since large pixels arranged in a matrix do not support high readout speeds. A new optoelectronic component speeds up this process. ...

dateJan 03, 2012 in Semiconductors
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How long do electrons live in graphene?

Together with international colleagues, scientists from the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) have added another important component towards understanding the material graphene; a material that is currently receiving ...

dateDec 12, 2011 in Nanophysics
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