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CuO nanoflowers as an electrochemical pH sensor and the effect of pH on the growth

Authors
  • Zaman, Siama
  • Asif, Muhammad
  • Zainelabdin, A.
  • Amin, Gul
  • Nur, Omer
  • Willander, Magnus
Publication Date
Jan 01, 2011
Identifiers
DOI: 10.1016/j.jelechem.2011.09.015
OAI: oai:DiVA.org:liu-73334
Source
DiVA - Academic Archive On-line
Keywords
Language
English
License
Unknown
External links

Abstract

Well-crystallized flower-shaped cupric oxide (CuO) nanostructures composed of thin leaves have been synthesized by simple low-temperature chemical bath method and used to fabricate pH sensor. We examined the effect of the pH on the growth of the CuO nanostructures, by changing the pH of the precursor solutions different morphologies of the CuO nanostructures were obtained. CuO nanoflowers have recently become important as a material that provides an effective surface for electrochemical activities with enhanced sensing characteristics. The proposed sensor exhibited a linear electrochemical response within a wide pH range of (2-11). The experimental results (time response, electrochemical activity, reproducibility, absorption spectra, and XRD) indicate that the CuO nanoflowers can be used in pH sensor applications with enhanced properties.

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