Publication date: 8th October 2020
Photosynthetic microorganisms represent a very promising tool for energy conversion in biohybrid devices. They harvest solar light and convert it into energy forms that, opportunely trapped, can be used in several applications, including bioelectronics. Collect, extract, and transfer electrons from the photosynthetic microorganisms to electrodes represent one of the main issues in Extracellular Electron Transfer (EET).
Recently, we have successfully shown that polydopamine1 is a versatile material for encapsulating and interfacing active photosynthetic enzymes, namely the reaction center from the photosynthetic bacterium Rhodobacter sphaeroides, and Indium Tin Oxide (ITO) transparent electrodes for eventually produce photocurrents2. The use of polydopamine, as single component or in combination with precursors of conductive polymers3, can be extended to more complex photosynthetic systems and the results of this approach will be illustrated in view of the assembly of efficient and low-cost biohybrid device4.
Funded by the European Union’s Horizon 2020 research and innovation programme under grant agreement No 800926 (HyPhOE, Hybrid Electronics Based on Photosynthetic Organisms)
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