News From the Field
World's thinnest lightbulb--graphene gets bright!
June 15, 2015
This material is available primarily for archival purposes. Telephone numbers or other contact information may be out of date; please see current contact information at media contacts.Led by James Hone's group at Columbia Engineering, a team of scientists from Columbia, Seoul National University, and Korea Research Institute of Standards and Science demonstrated for the first time, an on-chip visible light source using graphene, an atomically thin and perfectly crystalline form of carbon, as a filament. They attached small strips of graphene to metal electrodes, suspended them above the substrate, and passed a current through the filaments to cause them to heat up.Full Story
Columbia University School of Engineering and Applied Science
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