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ZnO quantum dots engrafted graphene oxide thin film electrode for low level detection of ethyl acetate

  • Jeonbuk National University

Research output: Contribution to journalJournal articlepeer-review

Abstract

Graphene oxide (GO)-ZnO quantum dots (QDs) thin film electrode was prepared by the deposition of ZnO QDs through spin coating over the surface of electrophoretic deposited (EPD) GO on FTO substrate. The interaction of ZnO QDs with GO surface was confirmed by the crystalline, structural and optical properties of GO-ZnO QDs thin film. The prepared GO-ZnO QDs thin film was utilized as working electrode in chemical sensor for the low level detection of ethyl acetate (EA). GO-ZnO QDs thin film electrode based EA chemical sensor exhibited substantially high sensitivity of ~16.035 mA mM-1 cm-2, the limit of detection (LOD) of -26 μM, limit of quantification (LOQ) of -80 μM with correlation coefficient (R) of -0.97879.

Original languageEnglish
Pages (from-to)379-383
Number of pages5
JournalMaterials Letters
Volume136
DOIs
StatePublished - 2014

Keywords

  • Chemical sensor
  • Ethyl acetate
  • Graphene oxide
  • Quantum dots
  • Surfaces
  • ZnO

Quacquarelli Symonds(QS) Subject Topics

  • Engineering - Mechanical
  • Materials Science
  • Physics & Astronomy

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