Soluble polypyrrole as the transparent anode in polymer light-emitting diodes

Gao, Jun; Heeger, Alan J.; Lee, J.Y.; Kim, C.Y.

doi:10.1016/s0379-6779(96)03794-0

Cited by 135 publications

(66 citation statements)

References 14 publications

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“…For example, polyaniline (Gustafsson et al, 1992), polypyrrole (Gao et al, 1996), and PEDOT (Cao et al, 1997) have been used as transparent hole-injecting electrodes in polymer LED's (the initial demonstration of mechanically flexible polymer LED's utilized PANI as the anode (Gustafsson et al, 1992). Transparent conducting films can be used for a variety of purposes; for example, as antistatic coatings, as electrodes in liquidcrystal display cells or in polymer LED's, or for fabricating electrochromic windows.…”

Section: B Transparent Metallic Polymersmentioning

confidence: 99%

Nobel Lecture: Semiconducting and metallic polymers: The fourth generation of polymeric materials

2001

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Section: B Transparent Metallic Polymersmentioning

confidence: 99%

Nobel Lecture: Semiconducting and metallic polymers: The fourth generation of polymeric materials

2001

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“…Two different strategies have been followed in order to achieve higher performances (e. g., multicolor emission, high luminance, high luminous efficiency, longer device lifetimes), including laser emission [17], in OLEDs: (i) The first one, which has been carried out by physicists and materials scientists, is concerned with the preparation of several more complex device structures involving multiple emissive or transport layers [9, 10, 12, 18 -20], the employment of flexible and transparent electrodes [21,22] or the use of different techniques for device manufacture Fig. 1.…”

Section: Organic Electroluminescencementioning

confidence: 99%

The chemistry of electroluminescent organic materials

Segura¹

1998

Acta Polym.

287

200

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Electroluminescence has been a subject of interest for several decades because of its many applications in areas such as telecommunications or information displays. Light‐emitting diodes using p‐n junctions of inorganic semiconductors have dominated the field in the last twenty years; however, efficient blue emission has only recently been achieved and inorganic semiconductors are difficult to form over large areas, making the process uneconomic. During the last decade, an explosive growth of activity in the area of organic electroluminescence has occurred in both academia and industry, stimulated by the promise of light‐emitting plastics for the fabrication of large, flexible, inexpensive and efficient screens to be used in different applications. Thus, a substantial amount of research is presently directed towards color control and improvement of manufacturability and reliability of devices in order to make their commercialization viable. A great deal of work has been carried out by physicists and materials scientists concerned with the preparation of different device structures and with the use of different techniques for device manufacture. However, all this work would not be possible without the continuous efforts of synthetic chemists to prepare materials with enhanced luminescent properties and processabilities. This article provides a review of the main types of organic materials that have been used in the fabrica‐tion of light‐emitting diodes either as emitting materials or as charge‐transport layers. Special attention will be paid to the different synthetic strategies that have been followed in order to tune the color of the emission, to increase stability of materials and to enhance their processabilities.

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“…This blending of the two conjugate propertiesoptical transparency and high electrical conductivity -made thin films of these materials suitable for modern device applications like thin film solar cells 1 , optical waveguides 2 , light emitting diodes 3 , thin film transistors 4 , gas sensors 5 , etc. Because of low-cost, abundance, less-toxicity and biocompatibility, materials researchers prefer zinc oxide (ZnO) as the most prominent candidate.…”

Section: Introductionmentioning

confidence: 99%

B-N Codoped p Type ZnO Thin Films for Optoelectronic Applications

Narayanan

Deepak

2017

Mat. Res.

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The success of codoping by donor-acceptor impurities in accomplishing p type ZnO thin films deposited by spray pyrolysis technique is reported here. Monodoping ZnO with N altered the conductivity type but the resistivity is too high making it practically impossible to be useful in optoelectronic applications. B-N codoping increased the carrier concentration and obtained comparatively low resistivity because codoping enhanced the acceptor incorporation by forming acceptor-donor-acceptor complex in the band gap. XRD analysis revealed the dependence of dopant incorporation on the texture and microstructure of the films. XPS analysis confirmed the enhancement of N incorporation with codoping. Energy gap value increased for codoped films due to the Burstein-Moss effect, arising from the increase in carrier concentration. Hence the present work envisages the preparation of transparent p type ZnO thin films suitable for tandem thin film solar cells and also for other optoelectronic applications.

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Soluble polypyrrole as the transparent anode in polymer light-emitting diodes

Cited by 135 publications

References 14 publications

Nobel Lecture: Semiconducting and metallic polymers: The fourth generation of polymeric materials

Nobel Lecture: Semiconducting and metallic polymers: The fourth generation of polymeric materials

The chemistry of electroluminescent organic materials

B-N Codoped p Type ZnO Thin Films for Optoelectronic Applications

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