New Approaches towards Organic Photodetection and Bio-Integration

We demonstrate hybrid, solid-liquid photodiodes, using semiconducting conjugated polymers as active materials and ionic liquids as unconventional cathodes (water, saline solutions, physiological buffers, cell-culturing media). We give a complete opto-electronic characterization in photovoltaic regime, investigate the interface phenomena by means of several time domain optical probes, and propose a physical-chemical explanation of the working principle, taking into account the keyrole of the ionic transport. Additionally, we demonstrate that this hybrid device can be an interface for communicating with a neuronal network grown on top of the organic layer. The organic semiconductor behaves as photo-window for unconventional and unprecedented organic-bio communication protocols.


Published in:
Proceedings of the 20th International Conference on Science and Technology of Synthetic Metals
Presented at:
20th International Conference on Science and Technology of Synthetic Metals (ICSM), Kyoto, Japan, July 4-9, 2010
Year:
2010
Laboratories:




 Record created 2015-08-23, last modified 2018-01-28

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