Abstract
In this paper, ZnO sol and nanosized film were prepared at low temperature, and effect of Tb 3+ doping on the luminescent properties was investigated. ZnO sol and film show yellow emission with peak at about 533 nm under excitation of UV light. If Tb 3+ is doped in ZnO sol and film, energy transfer from ZnO to Tb 3+ ion takes place, and the emission of Tb 3+ can be obviously detected. Energy diagram was schematically drawn to illustrate the luminescent mechanism of ZnO:Tb.
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