Journal
LANGMUIR
Volume 27, Issue 8, Pages 4397-4402Publisher
AMER CHEMICAL SOC
DOI: 10.1021/la104635v
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Funding
- DGA (Direction Generale de l'Armement)
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Homogeneous two-dimensional structures of CeVO4 nanowires (NWs) deposited on silicon substrates are obtained by means of the bubble deposition method (BDM). Surface wettability (i.e., surface energy) and film ripening (i.e., film thickness) are two Major parameters in nanoparticles confinement and deposition. As the presence of surfactant could be detrimental to applications, a washing treatment is developed without CeVO4 chemical changes or NW,film modifications. Careful investigations of the film topography are carried out by atomic force microscopy (AFM), and X-ray photoelectron spectroscopy (XPS) is used to check the chemical composition of the film at different stages. Finally, samples made by BDM are compared to those made by dip coating method, demonstrating the higher efficiency of the BDM in providing large areas of well-organized and dense CeVO4 monolayer.
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