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  • 标题:Fabrication and temperature-dependent electrical characterization of a C-shape nanowire patterned by a DNA origami
  • 本地全文:下载
  • 作者:Türkan Bayrak ; Amanda Martinez-Reyes ; David Daniel Ruiz Arce
  • 期刊名称:Scientific Reports
  • 电子版ISSN:2045-2322
  • 出版年度:2021
  • 卷号:11
  • 期号:1
  • 页码:1922
  • DOI:10.1038/s41598-021-81178-8
  • 出版社:Springer Nature
  • 摘要:Abstract We introduce a method based on directed molecular self-assembly to manufacture and electrically characterise C-shape gold nanowires which clearly deviate from typical linear shape due to the design of the template guiding the assembly. To this end, gold nanoparticles are arranged in the desired shape on a DNA-origami template and enhanced to form a continuous wire through electroless deposition. C-shape nanowires with a size below 150nm on a $${\hbox {SiO}_2}/\hbox {Si}$$ SiO 2 / Si substrate are contacted with gold electrodes by means of electron beam lithography. Charge transport measurements of the nanowires show hopping, thermionic and tunneling transports at different temperatures in the 4.2K to 293K range. The different transport mechanisms indicate that the C-shape nanowires consist of metallic segments which are weakly coupled along the wires.
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