One-pot green hydrothermal synthesis of bio-derived nitrogen-doped carbon sheets embedded with zirconia nanoparticles for electrochemical sensing of methyl parathion

We report a simple, economical and green one-pot hydrothermal strategy to synthesize the bio-derived nitrogen-doped carbon sheets (ONCSs) embedded with zirconia nanoparticles (ZrO2NPs) with orange juice as carbon source and solvent. The ONCSs-ZrO2NPs composite was further applied in the decoration of glassy carbon electrode (GCE) for electrochemical sensing of methyl parathion. The orange juice-derived ONCSs with graphene-like micromorphology showed good electrical conductivity, large specific surface area, and nitrogen functional groups. They could accelerate the electron transport, provide sufficient electrolyte-electrode interface, and improve the surface wettability, thus forming a suitable microenvironment for the redox reaction of MP. The embedded ZrO2NPs in graphene-like ONCSs possessed a strong affinity toward the phosphorus groups on MP molecules, which could promote the preconcentration of MP in the interface of the fabricated sensor and electrolyte. Benefitting from the synergistic effect of ONCSs and ZrO2NPs/GCE, the ONCSs-ZrO2NPs/GCE sensor exhibited excellent peak current response towards MP with a linear detection range of 0.01–15 μg mL−1 and a low detection limit of 0.115 ng mL−1. Furthermore, the ONCSs-ZrO2NPs/GCE sensor presented good capability to investigate the MP levels in romaine and kiwifruit juices with satisfactory recoveries. This work provides a novel and green one-step approach in the development of carbon-based composite materials for high-performance MP electrochemical sensors.

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Work Title One-pot green hydrothermal synthesis of bio-derived nitrogen-doped carbon sheets embedded with zirconia nanoparticles for electrochemical sensing of methyl parathion
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Open Access
Creators
  1. Hongyuan Zhao
  2. Binbin Liu
  3. Yongfeng Li
  4. Bo Li
  5. Huina Ma
  6. Sridhar Komarneni
License In Copyright (Rights Reserved)
Work Type Article
Publisher
  1. Ceramics International
Publication Date August 15, 2020
Publisher Identifier (DOI)
  1. https://doi.org/10.1016/j.ceramint.2020.04.277
Deposited November 18, 2021

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  • Added One-pot_green_hydrothermal_synthesis_of_ONCSs-ZrO2NPs.docx
  • Added Creator Hongyuan Zhao
  • Added Creator Binbin Liu
  • Added Creator Yongfeng Li
  • Added Creator Bo Li
  • Added Creator Huina Ma
  • Added Creator Sridhar Komarneni
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