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An Electrochromic Bipolar Membrane Diode
Linköping University, Department of Science and Technology, Physics and Electronics. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Science and Technology, Physics and Electronics. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0002-0302-226X
Linköping University, Department of Science and Technology, Physics and Electronics. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0001-8845-6296
Linköping University, Department of Science and Technology, Physics and Electronics. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0001-5154-0291
2015 (English)In: Advanced Materials, ISSN 0935-9648, E-ISSN 1521-4095, Vol. 27, no 26, 3909-+ p.Article in journal (Refereed) Published
Abstract [en]

Conducting polymers with bipolar membranes (a complementary stack of selective membranes) may be used to rectify current. Integrating a bipolar membrane into a polymer electrochromic display obviates the need for an addressing backplane while increasing the devices bistability. Such devices can be made from solution-processable materials.

Place, publisher, year, edition, pages
Wiley-VCH Verlag , 2015. Vol. 27, no 26, 3909-+ p.
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:liu:diva-120341DOI: 10.1002/adma.201500891ISI: 000357688900008PubMedID: 26016815OAI: oai:DiVA.org:liu-120341DiVA: diva2:843901
Note

Funding Agencies|Swedish foundation for strategic research; Knut and Alice Wallenberg foundation; VINNOVA; Advanced Functional Materials Center at Linkoping University; European Research Council [307596]

Available from: 2015-07-31 Created: 2015-07-31 Last updated: 2017-12-04
In thesis
1. Upscaling Organic Electronic Devices
Open this publication in new window or tab >>Upscaling Organic Electronic Devices
2015 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Conventional electronics based on silicon, germanium, or compounds of gallium require prohibitively expensive investments. A state-of-the-art microprocessor fabrication facility can cost up to $15 billion while using environmentally hazardous processes. In that context, the discovery of solution-processable conducting (and semiconducting) polymers stirred up expectations of ubiquitous electronics because it enables the mass-production of devices using well established high-volume printing techniques.

In essence, this thesis attempts to study the characteristics and applications of thin conducting polymer films (<200 nm), and scale them up to thick-films (>100 μm). First, thin-films of organic materials were combined with an electric double layer capacitor to decrease the operating voltage of organic field effect transistors. In addition, ionic current-rectifying diodes membranes were integrated inside electrochromic displays to increase the device’s bistability and obviate the need for an expensive addressing backplane.

This work also shows that it is possible to forgo the substrate and produce a self-standing electrochromic device by compositing the same water-processable material with nanofibrillated cellulose (plus a whitening pigment and high-boiling point solvents). In addition, we investigated the viability of these (semi)conducting polymer nanopaper composites in a variety of applications. This material exhibited an excellent combined electronic-ionic conductivity. Moreover, the conductivities in this easy-to-process composite remained constant within a wide range of thicknesses. Initially, this (semi)conducting nanopaper composite was used to produce electrochemical transistors with a giant transconductance (>1 S). Subsequently, it was used as electrodes to construct a supercapacitorwhose capacitance exceeds 1 F.

Place, publisher, year, edition, pages
Linköping: Linköping University Electronic Press, 2015. 62 p.
Series
Linköping Studies in Science and Technology. Dissertations, ISSN 0345-7524 ; 1711
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
urn:nbn:se:liu:diva-122022 (URN)10.3384/diss.diva-122022 (DOI)978-91-7685-929-2 (ISBN)
Public defence
2015-11-13, Resursen, Pronova, Norrköping Konferens, St Persgatan 19, Norrköping, 10:15 (English)
Opponent
Supervisors
Available from: 2015-10-16 Created: 2015-10-16 Last updated: 2015-10-20Bibliographically approved

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Malti, AbdellahGabrielsson, ErikCrispin, XavierBerggren, Magnus

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