nanoscale-photodetectors – The InfoGreenGlobal https://infogreenglobal.com The InfoGreenGlobal Wed, 13 Dec 2023 22:13:32 +0000 en-US hourly 1 Nanoscale Photodetectors Detect the Speed of Electrons https://infogreenglobal.com/nanoscale-photodetectors-detect-the-speed-of-electrons/ https://infogreenglobal.com/nanoscale-photodetectors-detect-the-speed-of-electrons/#respond Thu, 20 Jan 2011 17:08:49 +0000 http://infogreenglobal.com/?p=2095 Scientists led by Professor Alexander Holleitner, physicist at the Technische Universität Muenchen (TUM), have found a way to directly measure the time during which photo-excited electrons flow in nanoscale photodetectors (“Time-Resolved Picosecond Photocurrents in Contacted Carbon Nanotubes“). In solar cells and photodetectors, an optical radiation excites electrons to higher energy states thereby a photocurrent begins […]

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