New phase PbmSb2nTem+3n nanorods were synthesized using Te self-sacrifice template via Pb2+/Sb3+ synergistic effect topotactic transformation, which showed bigger band gap values due to the quantum confinement effect.
The new phase of ternary PbmCunTem+n was first synthesized using sacrificial template Te. The diffusion of surface atoms was observed upon electron-beam irradiation and their optical band gaps show bigger values than that of PbTe.
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