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May 19th, 2009
Quick-switching carbon nanotube displays
Abstract:
Researchers in Beijing have developed a new type of incandescent display made of thin layers of highly aligned multi-walled carbon nanotubes (CNTs).
Having already shown that thin films of CNTs can act as powerful loudspeakers, Liang Liu, Shoushan Fan and colleagues at the Tsinghua-Foxconn Nanotechnology Research Center at Tsinghua University have shown that with short pulses of voltage (20V), the films can be stimulated to glow at a temperature of 1542 K. The time needed to switch the light on or off was less than one millisecond each way, making its response faster than that of liquid crystal displays (LCDs). The light is non-polarised, so it can be seen equally well from any angle - another advantage over LCDs, the authors say.
Source:
rsc.org
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