Tuesday, 19 April 2022

Almost ready for prime time: Deep UV photodetectors head to real-world testing

Researchers are asking why, after decades of development and promising results, ultrawide bandgap photodetectors with deep UV capabilities haven't enjoyed widespread adoption, and are taking stock of advancements and challenges in the field. Unlike their silicon-based counterparts, UWBG photodetectors made from aluminum gallium nitride and gallium (III) oxide are more efficient, can tailor cutoff wavelengths, and do not need optical filters to reject visible or infrared wavelengths for solar-blind applications.

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New electronic 'skin' could enable lightweight night-vision glasses

Engineers developed a technique to grow and peel ultrathin 'skins' of electronic material that could be used in applications such as...