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.
from Top Technology News -- ScienceDaily https://ift.tt/vq6CsMn
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