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Nano Research

Article Title

High yield production of ultrathin fibroid semiconducting nanowire of Ta2Pd3Se8

Authors

Xue Liu, Department of Physics and Engineering Physics, Tulane University, New Orleans, Louisiana 70118, USA Division of Physics and Applied Physics, Nanyang Technological University, Singapore 637371, Singapore
Sheng Liu, Division of Physics and Applied Physics, Nanyang Technological University, Singapore 637371, Singapore
Liubov Yu. Antipina, National University of Science and Technology “MISiS”, Moscow 119049, Russia Technological Institute for Superhard and Novel Carbon Materials, Moscow 108840, Russia Moscow Institute of Physics and Technology, Dolgoprudny 141700, Russia
Yibo Zhu, Department of Mechanical Engineering, Columbia University, New York, New York 10027, USA
Jinliang Ning, Department of Physics and Engineering Physics, Tulane University, New Orleans, Louisiana 70118, USA
Jinyu Liu, Department of Physics and Engineering Physics, Tulane University, New Orleans, Louisiana 70118, USA
Chunlei Yue, Department of Physics and Engineering Physics, Tulane University, New Orleans, Louisiana 70118, USA
Abin Joshy, Department of Physics and Engineering Physics, Tulane University, New Orleans, Louisiana 70118, USA
Yu Zhu, Department of Polymer Science, The University of Akron, Akron, Ohio 44325, USA
Jianwei Sun, Department of Physics and Engineering Physics, Tulane University, New Orleans, Louisiana 70118, USA
Ana M. Sanchez, Department of Physics, University of Warwick, Coventry, CV4 7AL, UK
Pavel B. Sorokin, National University of Science and Technology “MISiS”, Moscow 119049, Russia Technological Institute for Superhard and Novel Carbon Materials, Moscow 108840, Russia
Zhiqiang Mao, Department of Physics and Engineering Physics, Tulane University, New Orleans, Louisiana 70118, USA
Qihua Xiong, Division of Physics and Applied Physics, Nanyang Technological University, Singapore 637371, Singapore
Jiang Wei, Department of Physics and Engineering Physics, Tulane University, New Orleans, Louisiana 70118, USA

Keywords

van der Waals nanowire, 1D semiconductor, liquid exfoliation, micro Raman spectroscopy, electronic and optoelectronic device

Abstract

Immediately after the demonstration of the high-quality electronic properties in various two dimensional (2D) van der Waals (vdW) crystals fabricated with mechanical exfoliation, many methods have been reported to explore and control large scale fabrications. Comparing with recent advancements in fabricating 2D atomic layered crystals, large scale production of one dimensional (1D) nanowires with thickness approaching molecular or atomic level still remains stagnant. Here, we demonstrate the high yield production of a 1D vdW material, semiconducting Ta2Pd3Se8 nanowires, by means of liquid-phase exfoliation. The thinnest nanowire we have readily achieved is around 1 nm, corresponding to a bundle of one or two molecular ribbons. Transmission electron microscopy (TEM) and transport measurements reveal the as-fabricated Ta2Pd3Se8 nanowires exhibit unexpected high crystallinity and chemical stability. Our low-frequency Raman spectroscopy reveals clear evidence of the existing of weak inter-ribbon bindings. The fabricated nanowire transistors exhibit high switching performance and promising applications for photodetectors.

Graphical Abstract

Publisher

Tsinghua University Press

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