Journal of Sol-Gel Science and Technology

, Volume 81, Issue 2, pp 338–345 | Cite as

Electrosynthesis of ZnO nanomaterials in aqueous medium with CTAB cationic stabilizer

  • Rosaria Anna Picca
  • Maria Chiara Sportelli
  • Riccarda Lopetuso
  • Nicola Cioffi
Original Paper: Nano-structured materials (particles, fibers, colloids, composites, etc.)


ZnO nanoparticles were prepared with a green, cheap, and easy aqueous electrochemical process. The electrolyte was made of a stabilizing cationic surfactant (cetyltrimethylammonium bromide, CTAB) dissolved in NaHCO3 at pH = 8. The electrosynthesis was carried out galvanostatically at 10 mA/cm2, at room temperature or at 80 °C for 1 h. Gel-like pristine colloids, made of mixed Zn carbonates and hydroxides, underwent post-synthesis thermal treatments to allow a compete conversion to ZnO. Calcination was carried out at 300 or 600 °C for 1 h. All nanomaterials were characterized at each step of their production by transmission electron microscopy, UV–Vis, infrared (FT–IR) and X-ray photoelectron spectroscopies. Electrochemical synthesis at 80 °C followed by calcination at 300 °C for 1 h allowed preparing ZnO submicron structures with good morphology and stoichiometry.

Graphical Abstract

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Zinc oxide nanostructures Electrochemical synthesis Aqueous medium Cationic stabilizer 



Financial support from Italian Ministry of University and Research (MIUR) for Grant number PON03PE_00004_1 (PON MAIND) is gratefully acknowledged.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no competing interests.

Supplementary material

10971_2016_4268_MOESM1_ESM.docx (53 kb)
Supplementary Information


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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  1. 1.Dipartimento di ChimicaUniversità degli Studi di Bari “Aldo Moro”BariItaly

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