Journal
CERAMICS INTERNATIONAL
Volume 48, Issue 11, Pages 16023-16032Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2022.02.146
Keywords
SnSe2; Layered metal chalcogenides; Flaky structure; Carbendazim; Temperature
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Funding
- Mid-career Researcher Program through the National Research Foundation of Korea (NRF) - Ministry of Science and ICT [2019R1A2C2086747]
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This study successfully applied selenide-based composites for electrochemical sensing of carbendazim, with a wide linear concentration range and low detection limit. The application of this material holds great potential in areas such as water treatment and environmental monitoring.
Innovative and efficient electrocatalysts using selenide based composites are essential for electrochemical analyses and could significantly impact various modern technologies. This paper prepared a flake-like architecture comprising SnSe2 grafted N-doped carbon (NC) (SnSe2-NC) through a simple hydrothermal method and successfully applied the material for electrochemical sensing of carbendazim (CBZ). We investigated impacts from calcination temperature on prepared SnSe2 materials using various characterization methods, including XRD, XPS, BET, TGA, HR FE-SEM and FE-TEM. Nanocomposite electrochemical activity toward CBZ detection was ascribed to synergy between NC providing a conductive matrix and SnSe2 agglomeration providing large active surface area, superior conductivity, and abundant active surface sites. The fabricated sensor detected CBZ across a wide linear concentration range 0.002-139.38 mu M under ideal conditions, with limit of detection = 0.67 nM. The propound sensor was effectively applied to detect CBZ in pure water and vegetable extracts, with reasonable recovery rates.
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