Search for dissertations about: "conjugated polymer"

Showing result 1 - 5 of 105 swedish dissertations containing the words conjugated polymer.

  1. 1. A study of devices and materials for polymer based LEDs

    Author : Jonas Birgerson; Linköpings universitet; []
    Keywords : NATURAL SCIENCES; NATURVETENSKAP; conjugated; polymer; XPS; LED; Magnesium; blend; copolymer;

    Abstract : Since the discovery that it is possible to dope conjugated polymers into high electrical conductivity the research in the field of conjugated polymers has increased a lot. Much of the research activity has been concentrated to the design and fabrication of light emitting devices. READ MORE

  2. 2. Synthesis and Modification of Conjugated Materials for Polymer Solar Cells

    Author : Zandra George; Chalmers University of Technology; []
    Keywords : NATURVETENSKAP; TEKNIK OCH TEKNOLOGIER; NATURAL SCIENCES; ENGINEERING AND TECHNOLOGY; polymer interlayer; polymer solar cells; stability; conjugated polymers; fullerene derivatives;

    Abstract : Polymer solar cells have emerged as a promising alternative to silicon based solar cells. One of the advantages of polymer solar cells is the possibility to use roll-to-roll techniques for large-scale device production. However, in order to fully utilize this technique, several issues need to be resolved. READ MORE

  3. 3. Conjugated polymers for optoelectronics

    Author : Lars Johan Lindgren; Chalmers University of Technology; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Polymer Light-Emitting Diodes; Conjugated polymers; Polyfluorenes; Polymer Solar Cells;

    Abstract : The work presented in thesis is divided into two parts; conjugated polymers for light-emitting diodes and conjugated polymers for solar cells. The main focus was on the synthesis and characterisation of the conjugated polymers, together with device preparation and characterisation. READ MORE

  4. 4. Morphology and material stability in polymer solar cells

    Author : Rickard Hansson; Ellen Moons; Andreas Opitz; Mats Fahlman; Karlstads universitet; []
    Keywords : NATURAL SCIENCES; NATURVETENSKAP; polymer solar cell; photovoltaics; morphology; photo-degradation; conjugated polymer; fullerene; synchroton-based techniques; Physics; Fysik;

    Abstract : Polymer solar cells are promising in that they are inexpensive to produce, and due to their mechanical flexibility have the potential for use in applications not possible for more traditional types of solar cells. The performance of polymer solar cells depends strongly on the distribution of electron donor and acceptor material in the active layer. READ MORE

  5. 5. Biological Sensing and DNA Templated Electronics Using Conjugated Polymers

    Author : Per Björk; Olle Inganäs; Wolfgang Fritzsche; Linköpings universitet; []
    Keywords : ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; conjugated polymer; conjugated polyelectrolyte; DNA; sensor; nanowire; Bioengineering; Bioteknik;

    Abstract : Conjugated polymers have been found useful in a wide range of applications such as solar cells, sensor elements and printed electronics, due to their optical and electronic properties. Functionalization with charged side chains has enabled water solubility, resulting in an enhanced interaction with biomolecules. READ MORE