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Solution-deposited highly luminescent Eu3+-doped CdMoO4 thin films

Mingyue Ma,Haidong Li,Hongwen Zhang,Daocheng Pan

Eu 3+ -doped CdMoO 4 luminescent ultra-thin films were fabricated by a facile aqueous solution method. The thin films were characterized by means of X-ray diffraction (XRD), atomic force microscopy (AFM), X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM) and energy dispersive spectrometer (EDS), and the results showed that Eu 3+ ions are doped into CdMoO 4 and the luminescent thin films are dense and smooth. Photoluminescence (PL) spectra, UV–vis absorption spectra and lifetimes were also used to characterize luminescent properties of the resulting films. The optimal doping concentration was found to be 10 mol% for the Eu 3+ -doped CdMoO 4 luminescent ultra-thin films.