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This paper presents an universal assembly approach,based on the oriented nanofibers,for the formation of large-scale ordered nanowire arrays.First,CdS NWs solution is dripped onto the substrate surface.Second,before the CdS NWs solution evaporates,the oriented nanofibers slides along the substrate surface to assemble the CdS nanowires.The mechanism involving ordered alignment of nanowires on the substrate surface was investigated based on our experimental results.The resulting nanowires arrays can be further used for the creation of massive nanoelectronic-device arrays.