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Wearable UV Sensor Based on Carbon Nanotube-Coated Cotton Thread

Author:
Kim, Sun Jin, Moon, Dong-Il, Seol, Myeong-Lok, Kim, Beomseok, Han, Jin-Woo, Meyyappan, M.
Source:
ACS applied materials & interfaces 2018 v.10 no.46 pp. 40198-40202
ISSN:
1944-8252
Subject:
carbon, carbon nanotubes, cotton, detectors, solar radiation, wavelengths
Abstract:
A fabric-compatible UV sensor is presented using a cellulose-based thread coated with single-wall carbon nanotube ink. Two-terminal resistive responses of the thread were measured upon exposure to UV, and the effects of intensity, wavelength, and on/off cycling were studied. The sensor was tested in the field under direct sunlight, demonstrating practical usability for a wearable/flexible UV sensor system. The results here confirm the potential for an inexpensive wearable sensor in contrast to the conventional rigid and bulky solid-state detectors.
Agid:
6220086