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Realization of Molecular-Based Transistors.

Shachar Richter1, Elad Mentovich2, Roey Elnathan3

  • 1Department of Materials Science and Engineering, University Center for Nanoscience and Nanotechnology, Faculty of Engineering, Tel-Aviv University, Tel-Aviv, 6997801, Israel.

Advanced Materials (Deerfield Beach, Fla.)
|June 7, 2018
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Summary

Molecular transistors are key for future electronics. Single-molecule devices offer better performance but face significant challenges, unlike multi-molecule assemblies which are more practical for real-world applications.

Keywords:
device roadmapmolecular electronicsmolecular transistorsself-assembled monolayers

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Area of Science:

  • Nanoscience and nanotechnology
  • Molecular electronics
  • Semiconductor device physics

Background:

  • Molecular-based devices are emerging as critical components for next-generation electronics, potentially succeeding complementary metal-oxide-semiconductor (CMOS) technology.
  • Molecular transistors, a type of molecular junction capable of electrical gating, offer novel operational modes and are central to this advancement.

Purpose of the Study:

  • To compare the properties and practicality of single-molecule versus multi-molecule assembly transistors.
  • To evaluate their suitability for real-world applications based on industry demands and roadmaps.
  • To assess the efficiency of gate electrodes in modulating transistor characteristics.

Main Methods:

  • Comparative analysis of single-molecule and multi-molecule assembly transistors.
  • Investigation of electrical gating capabilities in different molecular transistor configurations.
  • Evaluation of device performance and practical challenges.

Main Results:

  • Electrical gating is readily achievable in single-molecule transistors.
  • Gating of transistors based on molecular assemblies is feasible, particularly in vertical device configurations.
  • Single-molecule transistors demonstrate superior lab-scale performance.

Conclusions:

  • While single-molecule transistors show higher performance in laboratory settings, their practical realization presents substantial hurdles.
  • Transistors composed of multi-molecule assemblies appear more viable for industrial implementation due to fewer realization challenges.