Platinum nanoparticles decorated carbon nanotubes for highly sensitive 2-nitrophenol chemical sensor
Source abstract
Abstract
Abstract Herein, we report the successful preparation and characterization of platinum nanoparticles decorated carbon nanotubes. The Pt nanoparticles were deposited on the surfaces of carbon nanotubes (CNTs) using RF magnetron sputtering technique under inert gas atmosphere. The prepared Pt nanoparticles decorated CNTs were characterized in detail using several techniques in terms of their morphological, structural and compositional properties. Further, the Pt-decorated CNT nanocomposites were used as efficient redox mediators for the fabrication of 2-nitrophenol chemical sensor. The fabricated 2-nitrophenol chemical sensor exhibited a very high-sensitivity of ~395.234 μA mM −1 cm −2 and a low detection limit of 2.19 mM. The observed linear dynamic range (LDR) of the fabricated sensor was 0.156–2.5 mM with a regression coefficient of ~0.99273. The observed results demonstrate that the Pt nanoparticles decorated CNTs are efficient electron mediator to fabricate highly sensitive chemical sensors.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Electrochemical sensors and biosensors · Electrochemical Analysis and Applications · Analytical Chemistry and Sensors
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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