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Immediately after the demonstration of the high-quality electronic propertiesin various two dimensional (2D) van der Waals (vdW) crystals fabricated withmechanical exfoliation, many methods have been reported to explore and controllarge scale fabrications. Comparing with recent advancements in fabricating 2Datomic layered crystals, large scale production of one dimensional (1D)nanowires with thickness approaching molecular or atomic level still remainsstagnant. Here, we demonstrate the high yield production of a 1D vdW material,semiconducting Ta2Pd3Se8 nanowires, by means of liquid-phase exfoliation. Thethinnest nanowire we have readily achieved is around 1 nm, corresponding to abundle of one or two molecular ribbons. Transmission electron microscopy andtransport measurements reveal the as-fabricated Ta2Pd3Se8 nanowires exhibitunexpected high crystallinity and chemical stability. Our low frequency Ramanspectroscopy reveals clear evidence of the existing of weak inter-ribbonbindings. The fabricated nanowire transistors exhibit high switchingperformance and promising applications for photodetectors.

High yield production of ultrathin fibroid semiconducting nanowire of Ta$_2$Pd$_3$Se$_8$