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Conducting microhelices from self-assembly of protein fibrils
Linköping University, Department of Physics, Chemistry and Biology, Biomolecular and Organic Electronics. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Physics, Chemistry and Biology, Biomolecular and Organic Electronics. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Physics, Chemistry and Biology, Biomolecular and Organic Electronics. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Physics, Chemistry and Biology, Biomolecular and Organic Electronics. Linköping University, Faculty of Science & Engineering.
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2017 (English)In: Soft Matter, ISSN 1744-683X, E-ISSN 1744-6848Article in journal (Refereed) Accepted
Abstract [en]

Herein we utilize insulin to prepare amyloid based chiral heliceswith either right or left handed helicity. We demonstrate that thehelices can be utilized as structural templates for the conductingpolymer alkoxysulfonate poly(ethylenedioxythiophene) (PEDOT-S).The chirality of the helical assembly is transferred to PEDOT-S asdemonstrated by polarized optical microscopy (POM) and CircularDichroism (CD). Analysis of the helices by conductive atomic force(c-AFM) shows significant conductivity. In addition the morphologyof the template structure is stabilized by PEDOT-S. Theseconductive helical structures represent promising candidates in ourquest for THz resonators.

Place, publisher, year, edition, pages
2017.
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Chemical Sciences
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URN: urn:nbn:se:liu:diva-137821DOI: 10.1039/c7sm00068eOAI: oai:DiVA.org:liu-137821DiVA: diva2:1104027
Available from: 2017-05-31 Created: 2017-05-31 Last updated: 2017-06-20

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Bäcklund, FredrikElfwing, AndersMusumeci, ChiaraAjjan, FatimaSolin, NiclasInganäs, Olle
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