Published January 1, 2025
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Bimodal functionality of highly conductive nanostructured silver film towards improved performance of photosystem I-based graphene photocathode
Creators
- 1. Nicolaus Copernicus Univ Torun, Inst Phys, Fac Phys Astron & Informat, Grudziadzka 5, PL-87100 Torun, Poland
- 2. Univ Warsaw, Ctr New Technol, Solar Fuels Lab, Banacha 2C, PL-02097 Warsaw, Poland
- 3. Tarsus Univ, Fac Engn, Dept Engn Fundamental Sci, TR-33400 Tarsus, Turkiye
- 4. Pamukkale Univ, Dept Biomed Engn, Denizli, Turkiye
Description
We present the novel design of photosystem I (PSI)-based biosolar cell, whereby conductive transparent electrode materials, such as ITO or FTO, are replaced with glass covered with silver island film. This nanostructured metallic layer combines high electric conductance with enhancing the absorption efficiency of the PSI biocatalyst via the plasmonic effect. We demonstrate strong enhancement of the photocurrent generated in the biohybrid electrode composed of oriented layers of PSI reaction centers due to plasmonic interactions of the PSI fluorophores and redox centres with the conductive silver island film.
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