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A Bacterial Photosynthetic Enzymatic Unit Modulating Organic Transistors with Light
Istituto Italiano di Tecnologia, Italy; Università di Modena e Reggio Emilia, Italy.
Università degli Studi di Bari “Aldo Moro", Italy; Istituto per i Processi Chimico Fisici, Italy.
Università di Modena e Reggio Emilia, Italy.
RISE - Research Institutes of Sweden, ICT, Acreo.ORCID iD: 0000-0001-6889-0351
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2019 (English)In: Advanced Electronic Materials, ISSN 2199-160X, article id 1900888Article in journal (Refereed) Published
Abstract [en]

The photochemical core of every photosynthetic apparatus is the reaction center, a transmembrane enzyme that converts photons into charge-separated states across the biological membrane with an almost unitary quantum yield. A light-responsive organic transistor architecture, which converts light into electrical current by exploiting the efficiency of this biological machinery, is presented. Proper surface tailoring enables the integration of the bacterial reaction center as photoactive element in organic transistors, allowing the transduction of its photogenerated voltage into photomodulation of the output current up to two orders of magnitude. This device architecture, termed light-responsive electrolyte-gated organic transistor, is the prototype of a new generation of low-power hybrid bio-optoelectronic organic devices.

Place, publisher, year, edition, pages
Blackwell Publishing Ltd , 2019. article id 1900888
Keywords [en]
biophotonics, electrolyte-gated organic field-effect transistors, near-infrared light conversion, organic electro-chemical transistors, photosynthetic reaction centers, Bacteria, Biological membranes, Cytology, Electrolytes, Infrared devices, Light, Machinery, Organic field effect transistors, Photonics, Photosynthesis, Quantum theory, Bio photonics, Charge-separated state, Device architectures, Near infrared light, Orders of magnitude, Photoactive elements, Photosynthetic apparatus, Photosynthetic reaction center, Transistors
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-42107DOI: 10.1002/aelm.201900888Scopus ID: 2-s2.0-85075753705OAI: oai:DiVA.org:ri-42107DiVA, id: diva2:1379471
Available from: 2019-12-17 Created: 2019-12-17 Last updated: 2019-12-17Bibliographically approved

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Beni, Valerio

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