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High sensitivity voltammetric sensor of 4-nitrotoluene based on nanoflake-rich boron-doped carbon nanowall electrode for water safety
Abstract
This study demonstrates a highly efficient electrochemical sensing platform for 4-nitrotoluene (4-NT) detection based on nanoflake-rich boron-doped carbon nanowall (NF-BCNW) electrodes. The electrodes, fabricated using a one-step deposition process, exhibit remarkable properties, including fast charge transfer and a developed surface area. The research shows the high efficiency of 4-NT detection in laboratory-grade aqueous samples, with a low detection limit (LOD) of 10.2 nM and a high sensitivity of 10.42 ± 0.31 μA µM−1 cm−2. The practical applicability of the 4-NT sensor was also tested in an environmental sample, tap water, resulting in an LOD of 20.5 nM. The proposed electrode demonstrated considerable sensitivity for the sensing of 4-NT in the presence of various interfering ions and exhibited high stability over 380 days. These findings position the NF-BCNW electrochemical sensor as an effective tool for water safety and environmental monitoring applications.
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- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
MICROCHIMICA ACTA
no. 192,
ISSN: 0026-3672 - Language:
- English
- Publication year:
- 2025
- Bibliographic description:
- Rutecki P., Sobaszek M., Dettlaff A.: High sensitivity voltammetric sensor of 4-nitrotoluene based on nanoflake-rich boron-doped carbon nanowall electrode for water safety// MICROCHIMICA ACTA -,iss. 4 (2025),
- DOI:
- Digital Object Identifier (open in new tab) 10.1007/s00604-025-07065-5
- Sources of funding:
- Verified by:
- Gdańsk University of Technology
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