Scientists at the Institute of Photonic Science (ICFO) in Spain have recently developed a new image processing chip. The image processing chip, for the first time allowing digital cameras to capture images from the infrared / ultraviolet and visible portions simultaneously with the new nano-graphene and quantum dot hybrid technology.
ICFO researchers used a metal, PbS QDD semiconductor material on a single layer of graphene and placed the hybrid system on a CMOS wafer to connect to the image processing chip package and read circuitry. In this way, the research team succeeded in developing high-resolution image sensors capable of sensing a wide range of spectral wavelengths, sensing infrared light ranging from 300 nm to 2000 nm, and completely covering the visible range.
The paper, published in a recent issue of Nature Optical, said: "We successfully extended quantum dot technology to the near infrared (1100 to 1900 nm) so that our passive night vision technology can simultaneously Detect and show the atmosphere of a clear night sky. " This achievement reflects the possibility of realizing a new type of high-sensitivity, low-cost far-infrared image sensor at room temperature, and has a broad market prospect.
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