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Fiber-optic VOCs sensor utilizing a tunable nanostructured PVA/TOCNF composite aerogel coating
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DOI：10.1016/j.snb.2026.140236.png)
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Abstract
En 中文
• Polyvinyl alcohol/2,2,6,6-tetramethylpiperidine-1-oxyl-oxidized nanocellulose aerogel • Composite aerogel was first used for fiber-optic volatile organic compound sensing • Composition-tuned nanostructure improves gas-sensing performance • The acetone sensitivity of 4.74 pm/ppm was 22.15-fold pure polyvinyl alcohol • Swelling-induced unique red-shift distinguishes acetone from blue-shifting gases
Keywords:
Polyvinyl alcohol
TOCNF composite aerogel
fiber-optic sensor
volatile organic compounds
nanostructure tuning
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