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Sol–gel wet-chemical techniques were used to prepare ZnO, Al–ZnO (Al:Zn=1:10mol/mol) and Cu–ZnO (Cu:Zn=1:10mol/mol) thin films for characterization as functional layers for chemiresistive oxygen sensors. Cu and Al minor components influence the ZnO films' topography and their thermally induced chemical and structural evolution. As prepared (room temperature) films have the structure of layered basic...
Zinc oxide thin films, with thicknesses between ∼20 and 450nm, were prepared by spin-coating a sol–gel precursor solution (zinc acetate dihydrate and monoethanolamine in an isopropanol solvent) onto glass substrates, followed by heat treatment at temperatures through 773K. At 298 and 373K, the films exhibited the structure of a lamellar ZnO precursor, Layered Basic Zinc Acetate (LBZA). At higher temperatures,...
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