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PbTe nanopowders with different morphology were prepared by a simple chemical synthesis. Similar cubic nanoparticles have been successfully synthesized by using Pb(NO3)2 and Na2TeO3 as the precursors, and NaBH4 as the reductant. The single PbTe phase is confirmed from XRD pattern, and obvious width of XRD peaks occur. The size of powders is distributed from 20nm to 70nm in a typical process according...