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Introduction

  • Chapter
Device Architecture and Materials for Organic Light-Emitting Devices

Abstract

The first chapter provides an introduction to the basic principles of optoelectronics, which are useful for the design and operational understanding of the optoelectronic device and material combinations presented in this work. It starts with a description of the general properties of organic semiconductors. Focus is on the principle of conjugation and transport in disordered organic semiconductors is briefly discussed. Attention is also given to the different radiative and nonradiative transitions possible in organic compounds. Organic light-emitting diodes and organic light-emitting transistors are the subject of the second section. The working principle of both devices is discussed and contrasted. The third section focuses on another optoelectronic device, the organic semiconductor laser. First, general aspects of laser activity and the motivation for plastic lasers are considered. Next, lasing in organic semiconductors and the difficulties in achieving electrical pumping are discussed. As a conclusion to this introduction, an outline of the subsequent chapters of this work is given.

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Notes

  1. 1.

    Poly(phenylene vinylene).

  2. 2.

    1,4-Bis(4-methylstyryl)benzene.

  3. 3.

    Poly(2-methoxy-5-(2’-ethyl-hexyloxy)-1,4-phenylene vinylene).

  4. 4.

    Ladder-type poly(para-phenylene).

  5. 5.

    Poly(m-phenylenevinylene-co-2,5-dioctoxy-p-phenylenevinylene).

  6. 6.

    Methyl-substituted ladder-type poly(para-phenylene).

  7. 7.

    2,7-bis[4-(N-carbazole)phenylvinyl]-9,9’-spirobifluorene.

  8. 8.

    Tris-(8-hydroxyquinoline) aluminum.

  9. 9.

    4-(dicyanomethylene)-2-methyl-6-(julolindin-4-yl-vinyl)-4H-pyran.

  10. 10.

    4-(dicyanomethylene)-2-methyl-6-[(4-dimethylaninostyryl)-4H-pyran.

  11. 11.

    4,4’-bis[(N-carbazole)styryl]biphenyl.

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  1. Large Area Electronics (LAE), Imec, Kapeldreef 75, 3000, Leuven, Vlaams Brabant, Belgium

    Sarah Schols

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Schols, S. (2011). Introduction. In: Device Architecture and Materials for Organic Light-Emitting Devices. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-1608-7_1

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