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Ultrathin Metal Transparent Electrodes for the Optoelectronics Industry

  • Book
  • © 2013

Overview

Authors:
  1. Dhriti Sundar Ghosh

    1. , Optoelectronics, ICFO- Institute of Photonic Sciences, Barcelona, Spain

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  • Nominated as an outstanding Ph.D. thesis by the ICFO Institute of Photonic Sciences, Barcelona, Spain
  • Winner of the 2011 Photonics21 student innovation award
  • Represents a major step forward in the direction of utilizing ultrathin metal films as transparent electrodes as an alternative to Indium Tin Oxide (ITO)
  • Successfully demonstrates newly developed technologies in organic light emitting diodes (OLEDs) and organic photovoltaics (OPV)
  • 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

    • Dhriti Sundar Ghosh
    Pages 1-9

  3. Basics of Ultrathin Metal Films and Their Use as Transparent Electrodes

    • Dhriti Sundar Ghosh
    Pages 11-32

  4. UTMF-Based Transparent Electrode Incorporating a Metallic Grid

    • Dhriti Sundar Ghosh
    Pages 33-42

  5. Copper Bilayer Transparent Electrodes

    • Dhriti Sundar Ghosh
    Pages 43-50

  6. Ultrathin Alloy Films as TEs

    • Dhriti Sundar Ghosh
    Pages 51-58

  7. Ag/Al:ZnO Nano-Thick Bilayer TEs

    • Dhriti Sundar Ghosh
    Pages 59-67

  8. Ultrathin Metal Capped Al-Doped ZnO as Transparent Electrode

    • Dhriti Sundar Ghosh
    Pages 69-78

  9. Summary and Future Outlook

    • Dhriti Sundar Ghosh
    Pages 79-80

  10. Back Matter

    Pages 81-86
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Keywords

About this book

Transparent electrodes (TEs) are a class of materials that make it possible to bring electrical current or potentials in close proximity to optically active regions without significant loss of optical energy. However, it is a challenge to decouple the electrical and optical properties of a material, as the property of conductivity is strongly coupled to the imaginary part of the refractive index. An ideal TE has high transparency in combination with very low electrical resistivity. The main objective of the thesis was to develop TEs which can replace expensive, scarce and fragile Indium Tin Oxide (ITO), the most widely used TE material in the industry today. The thesis contains original work on ultrathin metal film (UTMF)-based TEs, which are essential elements in a wide range of optoelectronics, consumer electronics and energy devices. It presents new designs and fabrication methods and demonstrates the efficient use of UTMF-TEs in organic light emitting diodes and solar cells, achieving similar levels of efficiency to that of state-of-the-art ITO.

Authors and Affiliations

  • , Optoelectronics, ICFO- Institute of Photonic Sciences, Barcelona, Spain

    Dhriti Sundar Ghosh

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