Researchers Develop Way to Make Semiconductors Better Detectors

Researchers at Georgia State University have found a way for semiconductors to detect a wider range of light than currently possible. An extra light source was added to their device that prepares the semiconductor with energy and when a low energy, long wavelength beam passes over, the extra light source pushes the material to the top creating a detectable reaction.

The team made a device with this new technology that can detect wavelengths up to a minimum of 55 micrometers, while a detector without this modification can only detect wavelengths to about 4 micrometers. The researchers see potential uses in improving solar cells that would have the ability to absorb infrared light in addition to the sun’s visible light.

Read more about the new technology being developed at GSU to advance the performance of semiconductors as detectors. 

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