Selectivity Enhancement of an Acetone-Monitoring SPR Sensor: Theoretical Evaluation

Selectivity Enhancement of an Acetone-Monitoring SPR Sensor: Theoretical Evaluation

A numerical investigation of a sensor for acetone monitoring using surface plasmon resonance (SPR) is proposed. We evaluate the effects of polyaniline (PANI), graphene, or chitosan acting as a chemisorption binding layer for the selective sensing of acetone. Our findings suggest that these materials...

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Bibliographic Details
Main Authors: Gabriel B. M. Fernandes, Villeneve O. Soares, Jefferson L. B. Marques, Cleumar S. Moreira
Format: Article
Language:English
Published: MDPI AG 2024-04-01
Series:Proceedings
Subjects:
acetone sensor
surface plasmon resonance
adsorption
volatile organic compound
Online Access:https://www.mdpi.com/2504-3900/97/1/134
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Summary:A numerical investigation of a sensor for acetone monitoring using surface plasmon resonance (SPR) is proposed. We evaluate the effects of polyaniline (PANI), graphene, or chitosan acting as a chemisorption binding layer for the selective sensing of acetone. Our findings suggest that these materials present suitable responses when applied as an overlayer to the sensor. Their thicknesses, however, should be maintained close to a monolayer level to preserve performance.
ISSN:2504-3900

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