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Incandescent Nanotube Light Bulbs
3 March 2007, 17:34

Categories: nanotubes-wires-fullerenes optics--photonics

A group of engineers at Tsinghua University in Beijing and Louisiana State University in Baton Rouge recently fabricated household light bulbs made from double-walled carbon nanotube (DWCNT) filaments. The results show that the DWCNT bulb has a comparable spectrum of visible light with tungsten bulb and its average efficiency is 40% higher than that of a tungsten filament at the same temperature (1400―2300 K).

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