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Short-wavelength ultraviolet dosimeters based on DNA nanostructure-modified graphene field-effect transistors
Chemical Communications  (IF6.065),  Pub Date : 2021-04-19, DOI: 10.1039/d1cc01851e
Zhaolin Ai, Liqian Wang, Qianying Guo, Derong Kong, Yungen Wu, Yunqi Liu, Dacheng Wei

Direct and sensitive short-wavelength ultraviolet (UVC) dosimeters could provide a safer disinfection environment against viruses. We developed direct, quantitative, specific and highly sensitive UVC dosimeters based on DNA nanostructure-modified graphene field-effect transistors. Detectable doses of the dosimeters range from 0.005 to 6 kJ m−2 and such dosimeters have at least 5 times better sensitivity than the current direct UV dosimeters.