Photovoltaic Bacteriorhodopsin Graphene-Cellulose Composite Transducers

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dc.contributor.authorAl-Aribe, Khaled M.
dc.contributor.authorKnopf, George K.
dc.date.accessioned2024-07-17T19:45:18Z
dc.date.available2024-07-17T19:45:18Z
dc.date.issued2020-05
dc.description.abstractAn organic photovoltaic transducer is fabricated by combining bacteriorhodopsin (bR) purple membranes with a graphene-carboxymethyl cellulose (G-CMC) dispersion and depositing the solution on an optically transparent indium tin oxide coated substrate. The G-CMC nanoparticles act as charge carriers between the stacks of high resistance bR purple membrane sheets. Once dried the exposed surface of the bR-GCMC transducer is coated with a conductive epoxy to create a sandwiched photocell. The measured photovoltaic response of the composite transducer is more than 3.2× the voltage generated by a bR-only transducer. Experiments also demonstrate that the electrical resistance is significantly reduced from several hundred k-Ohms (bR-only) to < 20° (bR-G-CMC). The chemical synthesis, device fabrication, and experimental characterization of the bR-G-CMC transducer are discussed. © 2020 IEEE. Keywords Bacteriorhodopsin (bR), Carboxymethl cellulose, Graphene nanosheets, Organic photocell, Proton pumps
dc.identifier.citationAl-Aribe, K. M., & Knopf, G. K. (2020, May). Photovoltaic Bacteriorhodopsin Graphene-Cellulose Composite Transducers. In 2020 Photonics North (PN) (pp. 1-1). IEEE.
dc.identifier.doihttps://doi.org/10.1109/PN50013.2020.9167022
dc.identifier.urihttps://dspace.adu.ac.ae/handle/1/6051
dc.language.isoen_US
dc.publisherInstitute of Electrical and Electronics Engineers Inc.
dc.titlePhotovoltaic Bacteriorhodopsin Graphene-Cellulose Composite Transducers
dc.typeConference Paper

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