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Investigating the Nucleation, Growth, and Energy Levels of Organic Semiconductors for High Performance Plastic Electronics

  • Book
  • © 2012

Overview

Authors:
  1. Ajay Virkar

    1. c3Nano Inc., Mountain View, USA

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  • Entry into the Springer
  • Includes supplementary material: sn.pub/extras

Part of the book series: Springer Theses (Springer Theses)

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Table of contents (8 chapters)

  1. Front Matter

    Pages i-xii
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  2. Introduction to Organic Semiconductors, Transistors and Conductors

    • Ajay Virkar
    Pages 1-26

  3. Organic Semiconductor Growth and Transistor Performance as a Function of the Density of the Octadecylsilane Dielectric Modification Layer

    • Ajay Virkar
    Pages 27-49

  4. The Nucleation, Surface Energetics and Stability of Pentacene Thin Films on Crystalline and Amorphous Octadecylsilane Surface

    • Ajay Virkar
    Pages 51-67

  5. Technological Importance of Crystalline Octadecylsilane Monolayers: Crystalline Monolayers Fabricated by Spin-Casting

    • Ajay Virkar
    Pages 69-90

  6. Alkylsilane Dielectric Modification Layer: Molecular Length Dependence and the Odd–Even Effect

    • Ajay Virkar
    Pages 91-106

  7. Low-Voltage Monolayer Pentacene Transistors Fabricated on Ultrathin Crystalline Self-Assembled Monolayer Based Dielectric

    • Ajay Virkar
    Pages 107-114

  8. Highly Conductivity and Transparent Carbon-Nanotube and Organic Semiconductor Hybrid Films: Exploiting Organic Semiconductor Energy Levels and Growth Mode

    • Ajay Virkar
    Pages 115-128

  9. Outlook/Conclusions

    • Ajay Virkar
    Pages 129-130
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Keywords

About this book

This thesis details the significant progress made in improving the performance of organic transistors and the network conductivity of carbon nanotubes. The first section investigates organic semiconductor nucleation and growth on the most common dielectric surface used to fabricate organic thin film transistors. The nucleation and growth of the semiconductor was determined to be a critical factor affecting the device performance. Excellent dielectric modification layers, which promote desirable semiconductor growth leading to high conductivity were identified, and a technologically relevant deposition technique was developed to fabricate high quality dielectric modification layers over large areas. This may represent an important step towards the realization of large area organic circuity. In the final section, lessons learned from studying organic semiconductor nucleation and growth were utilized to improve the conductivity of carbon nanotube networks. Selective nucleation of materials at the junctions between nanotubes in the network significantly decreased the network's sheet resistance. The resulting networks may be promising candidates for transparent electrodes with a variety of optoelectronic applications.

Authors and Affiliations

  • c3Nano Inc., Mountain View, USA

    Ajay Virkar

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