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The Tb 3+ , Li + ion co-doped ZnO/PEG particles were prepared by a co-precipitation approach derived from Zn(CH 3 COO) 2 , NaOH, CH 3 COOLi and PEG in ethanol solution at room temperature. The characteristic green luminescence spectra which corresponded to f–f transitions of Tb 3+ were observed. The microstructure and luminescent properties were investigated...
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