Vapor-phase impregnation decomposition technique as an alternativeto decorate MWCNTs withPt and PdNPs for ammonia gas detection
نویسندگان
چکیده
The Vapor Phase Impregnation decomposition method (VP-IDM) is presented in this study as an alternative technique to obtain well-dispersed metallic nanoparticles on CNTs, for ammonia (NH3) gas detection. We have analyzed the effectiveness of by using chemiresistive sensors (CHRs) based multi-walled carbon nanotubes (MWCNTs) decorated with Pt and Pd (NPs). measured their sensitivity through electrical resistance variation presence NH3 at concentrations from 10 200 ppm. Pt/MWCNTs showed highest about 120% 100 ppm 250 °C. It was revealed that size, dispersion, temperature type metal NPs deposited MWCNTs are crucial detection CHRs.
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ژورنال
عنوان ژورنال: Colloid and Interface Science Communications
سال: 2021
ISSN: ['2215-0382']
DOI: https://doi.org/10.1016/j.colcom.2021.100490