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Related Experiment Video

Updated: May 7, 2026

Ultrahigh Density Array of Vertically Aligned Small-molecular Organic Nanowires on Arbitrary Substrates
08:07

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Published on: June 18, 2013

Unwrapping core-shell nanowires into nanoribbon-based superstructures.

Alexander Pevzner1, Guy Davidi, Hagit Peretz-Soroka

  • 1School of Chemistry, The Raymond and Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv 69978 (Israel).

Angewandte Chemie (International Ed. in English)
|September 17, 2013
PubMed
Summary

Researchers developed a novel method to create high-quality crystalline semiconducting nanoribbons. This technique involves "unwrapping" core-shell nanowires, offering a new pathway for advanced nanomaterial synthesis.

Keywords:
heterostructuresnanoribbonsnanostructuressemiconductorssilicon

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Resonance Raman Spectroscopy of Extreme Nanowires and Other 1D Systems

Published on: April 28, 2016

Area of Science:

  • Materials Science
  • Nanotechnology
  • Semiconductor Physics

Background:

  • Semiconducting nanoribbons are crucial for advanced electronic and optoelectronic devices.
  • Current fabrication methods for nanoribbons often face challenges in scalability and quality control.
  • Core-shell nanowire structures offer potential as precursors for novel nanomaterials.

Purpose of the Study:

  • To develop a facile and high-yield method for synthesizing high-quality crystalline semiconducting nanoribbons.
  • To demonstrate the feasibility of the
  • unwrapping
  • technique using germanium (Ge) and silicon (Si) core-shell nanowires.

Main Methods:

  • Preparation of Ge/Si core-shell nanowires.
  • Selective etching of the top surface of the Si shell.
  • Protection of etched areas using photoresist material.
  • Selective chemical removal of the Ge core to yield nanoribbons.

Main Results:

  • Successful synthesis of fully opened and flat crystalline semiconducting nanoribbons.
  • Demonstration of precise control over nanoribbon morphology.
  • High-quality crystalline structure of the resulting nanoribbons.

Conclusions:

  • The
  • unwrapping
  • method provides an effective route to high-quality semiconducting nanoribbons.
  • This technique offers a promising alternative for the scalable production of nanoribbons for electronic applications.
  • The developed process highlights the versatility of core-shell nanowires as precursors in nanotechnology.