Electrochemical devices made from conducting nanowire networks self-assembled from amyloid fibrils and alkoxysulfonate PEDOT.
Proteins offer an almost infinite number of functions and geometries for building nanostructures. Here we have focused on amyloid fibrillar proteins as a nanowire template and shown that these fibrils can be coated with the highly conducting polymer alkoxysulfonate PEDOT through molecular self-assembly in water. Transmission electron microscopy and atomic force microscopy show that the coated fibers have a diameter around 15 nm and a length/thickness aspect ratio >1:1000 . We have further shown that networks of the conducting nanowires are electrically and electrochemically active by constructing fully functional electrochemical transistors with nanowire networks, operating at low voltages between 0 and 0.5 V.
Hamedi
Mahiar
M
Chemistry, IFM, and Biomolecular and Organic Electronics, IFM, Linköping University, Linköping, Sweden. mahiar@ifm.liu.se
Herland
Anna
A
Karlsson
Roger H
RH
Inganäs
Olle
O
D000682:Amyloid / Q000737:chemistry* / Q000648:ultrastructure; D019086:Bridged Bicyclo Compounds, Heterocyclic / Q000737:chemistry*; D019281:Dimerization; D004553:Electric Conductivity; D004559:Electric Wiring / Q000295:instrumentation* / Q000379:methods; D004563:Electrochemistry / Q000295:instrumentation* / Q000379:methods; D004867:Equipment Design; D019544:Equipment Failure Analysis; D049329:Nanostructures / Q000737:chemistry* / Q000648:ultrastructure; D036103:Nanotechnology / Q000295:instrumentation* / Q000379:methods; D011108:Polymers / Q000737:chemistry*; D014173:Transistors, Electronic
D000682:Amyloid; D019086:Bridged Bicyclo Compounds, Heterocyclic; D011108:Polymers; C121383:poly(3,4-ethylene dioxythiophene)