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 ...

Feb 27, 2013
4.8 / 5 (4) 1 | with audio podcast

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 ...

Sep 10, 2012
4.8 / 5 (8) 2 | with audio podcast

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 ...

Jan 03, 2012
4.9 / 5 (8) 0 | with audio podcast

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 ...

Dec 12, 2011
4.7 / 5 (6) 0 | with audio podcast

Ultra fast photodetectors out of carbon nanotubes

Single-walled carbon nanotubes are promising building blocks for future optoelectronic devices. But conventional electronic measurements were not able to resolve the ultra fast optoelectronic dynamics of the ...

Mar 07, 2011
5 / 5 (4) 0 | with audio podcast