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Morphology Control of PbWO4 Crystals in Formamide/Water Solution

PbWO4 crystals were synthesized by homogeneous precipitation in formamide (FA)/H2O solution, where the content of FA was found to play crucial role in the morphology of the final products. PbWO4 crystals with various morphologies, such as pagoda, tetra-bipyramid, and bundle of rods, were obtained with an increase of the content of FA. The products were characterized by XRD and photoluminescence measurements.