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Silicon-Based Photodetector Is Sensitive To Ultraviolet Light

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posted on Jul, 20 2004 @ 09:57 PM
By putting thin silicon films on silicon material it can make it sensitive to ultra violent light. This procedure just discovered has already attracted Military attention because this system will have applications both for military use and practical applications. Some applications include ultraviolet-based detectors for missile-warning systems and airborne biological agents, industrial flame sensors and suntan monitors.

By depositing thin films of silicon nanoparticles on silicon substrates, researchers at the University of Illinois at Urbana-Champaign have fabricated a photodetector sensitive to ultraviolet light. Silicon-based ultraviolet sensors could prove very handy in military, security and commercial applications.

"Silicon is the most common semiconductor, but it has not been useful for detecting ultraviolet light until now," said Munir Nayfeh, a professor of physics at Illinois and a researcher at the Beckman Institute for Advanced Science and Technology.

Click here if you want to know more about Silicon-Based systems.

[edit on 20-7-2004 by WestPoint23]

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