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A Z‐scheme inspired photobioelectrochemical H2O/O2 cell with 1V open‐circuit voltage combining photosystem II and PbS quantum dots

Title:
A Z‐scheme inspired photobioelectrochemical H2O/O2 cell with 1V open‐circuit voltage combining photosystem II and PbS quantum dots
Abstract:
A biohybrid photobioanode mimicking the Z‐Scheme has been developed by functional integration of photosystem II (PSII) and PbS quantum dots (QDs) within an inverse opal TiO2 architecture giving rise to a rather negative water oxidation potential of about ‐0.55 V vs. Ag/AgCl, 1M KCl at neutral pH. The electrical linkage between both light‐sensitive entities has been established via an Os‐complex modified redox polymer (POs) allowing the formation of a multi‐step electron transfer chain under illumination starting with the photo‐activated water oxidation at PSII followed by an electron transfer from PSII via POs to the photo‐excited QDs and finally to the TiO2 electrode. The photobioanode has been coupled to a novel transparent, inverse opal ATO cathode modified with an O2 reducing bilirubin oxidase for the construction of a H2O/O2 photobioelectrochemical cell reaching a high open‐circuit voltage of about 1 V.
Year:
2018
Publication type:
Journal article
Journal:
Angewandte Chemie
ISSN:
1521-3757
Number:
3
Volume:
131
Pages:
811-815
Language:
English
Document status:
Published
PubListerURL:
https://publister.bib.th-wildau.de/publister/public/publication/2598
Riedel, M., Wersig, J., Ruff, A., Schuhmann, W., Zouni, A., & Lisdat, F. (2018). A Z‐scheme inspired photobioelectrochemical H2O/O2 cell with 1V open‐circuit voltage combining photosystem II and PbS quantum dots Angewandte Chemie. 131 (3), 811-815.
@article{2598,
    author           = {Riedel, Marc and Wersig, Julia and Ruff, Adrian and Schuhmann, Wolfgang and Zouni, Athina and Lisdat, Fred},
    title            = {A Z‐scheme inspired photobioelectrochemical H2O/O2 cell with 1V open‐circuit voltage combining photosystem II and PbS quantum dots},
    journal          = {Angewandte Chemie},
    year             = {2018},
    volume           = {131},
    number           = {3},
    pages            = {811-815},
    publisher        = {Wiley},
    doi              = {10.1002/ange.201811172},
}


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