Scientists make ccd of one atomic layer




Scientists have created a first version of a CCD of just one atom thick. The light-sensitive device is made of the material copper indium selenide. The CCD is a prototype that three pixels can capture.

Researchers at Rice University have conscious ccd based on the material copper indium selenide made ​​. The study was co-funded by the NWO. The CCD of an atomic layer thick can be used, inter alia, in order to deal with 2D-cameras. For now however, there is only a prototype that has only limited options available: three pixels with light information can be recorded. When a more advanced version will be available is not yet clear.

According to the makers to fix the used copper-indium electrons released when light hits the material. The electrons can be retained long enough to store the information derived therefrom. There are materials which can be fabricated thin and yet well electrons can hold, but with copper-indium selenide is ten times more efficient than what is observed before, according to one of the researchers.

Dunne’s ccd create new applications for cameras possible. Scientists see among other possibilities for the medical world. Because such CCDs are flexible, can be designed as new camera forms. A similar material Copper indium gallium selenide, is already used for photovoltaic cells, which are used for thin solar panels.


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