Synthesis and characterization of aluminum doped zinc oxide nanoparticles via a novel and low cost aqueous chemical process

A. Moussa Tankari (1) , K. Medjnoun (1) , M. Nouiri , Olivier Briot (2) , S. Juillaguet (2) , H. Peyre (2) , M. Belaqziz , K. Djessas (1)

1 PROMES - Procédés, Matériaux et Energie Solaire
2 L2C - Laboratoire Charles Coulomb

Pure and Aluminum doped Zinc Oxide Nanoparticles (AZO NPs) with various doping concentrations were synthesized using an original aqueous chemical process under atmospheric pressure and moderate temperature, using only deionized water as a solvent with a filtration step followed by heat treatment. The X-Ray Diffraction (XRD), Raman and Field Emission Scanning Electron Microscopy- Energy-Dispersive X-ray Spectroscopy (FESEM-EDS) analysis of nanoparticles reveals a hexagonal wurtzite structure, with a size around 60 nm and the presence of aluminum in our samples. Optical investigations demonstrate that the material is of high quality, with few deep structural defects, since Photoluminescence (PL) is largely dominated by excitonic emission at low temperatures.

Domaines: Matière Condensée [cond-mat]

A. Moussa Tankari, K. Medjnoun, M. Nouiri, Olivier Briot, S. Juillaguet, et al.. Synthesis and characterization of aluminum doped zinc oxide nanoparticles via a novel and low cost aqueous chemical process. Materials Letters, 2023, 353, pp.135230. ⟨10.1016/j.matlet.2023.135230⟩. ⟨hal-04313143⟩