Abstract
Large scale and homogeneous bunched lead molybdate nanobelts were synthesized via a vertically supported liquid membrane system in the presence of ethylenediamine at room temperature. The typical bunched nanobelts were of length of ca. 300–500 μm, the width of ca. 230–280 nm and the thickness of ca. 90–110 nm. The X-ray diffraction patterns showed that all the obtained PbMoO4 crystals belonged to tetragonal structure. Scanning electron microscopy images revealed that the positioning of the two compartments in the SLM system, modifier additive and reacting time, highly affect the morphologies and sizes of PbMoO4 crystals. Room-temperature emission spectra of PbMoO4 were investigated and the relative photoluminescence intensity of 400 nm was intensified in PbMoO4 nanobelts. A possible growth mechanism is proposed.
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