Abstract
The low-temperature synthesis of the graphene oxide–wrapped perovskite-type strontium titanate nanocomposites (GO@SrTiO3-NC) is reported for the electrochemical sensing of organochlorine pesticide 2,4,6-trichlorophenol (TCP) detection. The as-prepared GO@SrTiO3 nanocomposites provide a large surface area, excellent conductivity, and active sites, which are more favorable to the catalysis of TCP. The synergistic effect between the GO and the perovskite SrTiO3 results in the extended working range of 0.01 to 1.47 and 1.47 to 434.4 μM with a very low detection limit of 3.21 nM towards TCP detection. Moreover, the prepared sensor possessed good selectivity and long-term stability. Finally, the practical applicability of the sensor was tested in environmental samples of river water and soil, exhibiting adequate recovery values. Graphical abstract: [Figure not available: see fulltext.]
| Original language | English |
|---|---|
| Article number | 72 |
| Journal | Microchimica Acta |
| Volume | 188 |
| Issue number | 3 |
| DOIs | |
| State | Published - Mar 2021 |
| Externally published | Yes |
Bibliographical note
Publisher Copyright:© 2021, The Author(s), under exclusive licence to Springer-Verlag GmbH, AT part of Springer Nature.
Keywords
- Electrochemical sensor
- Environmental samples
- GO@SrTiO nanocomposites
- Organochlorine pesticides
- TCP detection
ASJC Scopus subject areas
- Analytical Chemistry
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