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- Title
A Disposable and Noncontact Paper Breathalyzer Based on Small Conjugated Molecules/Carbon Nanotubes Electrodes.
- Authors
Gusso, Sara Luiza; Prado, Letícia Barros; Ximim Gavim, Anderson Emanuel; Deus, Jeferson Ferreira de; Foti, Leonardo; Mohd Yusoff, Abd. Rashid Bin; da Silva, Wilson José; Rodrigues, Paula Cristina; Macedo, Andreia Gerniski
- Abstract
Herein, N,N′‐di(decyl)‐3,4,9,10‐perylenebis(dicarboximide) (PDIC10) is first functionalized by hydrothermal synthesis method and processed onto single‐walled carbon nanotube (SWCN) electrodes and paper substrate. The PDC10/SWCN/paper device can be applied as a noncontact breathalyzer to detect and quantify ethanol alcohol and determine equivalent blood alcohol concentration (BAC). The sensing mechanism increases the electrical resistance upon ethanol alcohol (EtOH) exposition. This device allows the quantification of BAC values from 0.01% to 0.2%, with ΔR (%) of 2–25% in this range, with adequate stability operating in cycles.
- Subjects
SMALL molecules; CARBON electrodes; BLOOD alcohol; HYDROTHERMAL synthesis; CARBON nanotubes
- Publication
Physica Status Solidi. A: Applications & Materials Science, 2022, Vol 219, Issue 8, p1
- ISSN
1862-6300
- Publication type
Article
- DOI
10.1002/pssa.202100808