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Electronic polymers and DNA self-assembled in nanowire transistors
Mahiar Hamedi1, Anders Elfwing, Roger Gabrielsson
1Biomolecular and Organic Electronics, Department of Physics, Chemistry and Biology (IFM), Linköping University, Linköping, Sweden. mahiar@ifm.liu.se
Small (Weinheim an Der Bergstrasse, Germany)
|October 12, 2012
Summary
Researchers demonstrate aqueous self-assembly of DNA and conductive polymers to create identical nanocircuits. This process enables the formation of electrochemical DNA nanowire transistors for advanced electronic devices.
Area of Science:
- Nanotechnology
- Materials Science
- Biotechnology
Background:
- Aqueous self-assembly offers a scalable method for producing identical nanodevices and complex nanocircuits.
- Conductive polymers and DNA are promising materials for molecular electronics.
Purpose of the Study:
- To investigate the aqueous self-assembly of a water-soluble, highly conductive polymer, PEDOT-S, with DNA.
- To demonstrate the formation of conducting DNA/PEDOT-S complexes and their assembly into functional nanocircuits.
Main Methods:
- Utilizing aqueous self-assembly techniques to combine DNA with the conductive polymer PEDOT-S.
- Characterizing the orientation and assembly of the resulting DNA/PEDOT-S complexes.
Main Results:
- Successful self-assembly of DNA and PEDOT-S in aqueous conditions.
- Demonstrated orientation and assembly of the conducting DNA/PEDOT-S complex.
- Formation of electrochemical DNA nanowire transistors.
Conclusions:
- Aqueous self-assembly provides a viable route for creating complex nanocircuits using DNA and conductive polymers.
- The developed DNA/PEDOT-S complexes can be assembled into functional electrochemical DNA nanowire transistors.
- This approach holds potential for scalable fabrication of molecular electronic devices.
