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Ultra-long gold nanowires (NWs) were prepared and characterized. The gold NWs were predominantly formed from gold nanorods. The ultraviolet–visible absorption spectrum of the gold NWs contained two absorption bands. One corresponded to transverse surface plasmon absorption in the gold NWs, and the other to absorption by residual organic groups. The nonlinear optical and optical limiting (OL) properties...
Novel graphene oxide (GO)/triangular Pd nanocrytal composites were prepared by a simple method involving the direct reduction of palladium acetate on the surface of GO. Transmission electron microscopy images confirmed that the triangular Pd nanoparticles (NPs) were successfully and homogenously deposited onto the surface of the two-dimensional GO sheet. Raman spectroscopy revealed that the loading...
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