Enhanced Output from Biohybrid Photoelectrochemical Transparent Tandem Cells Integrating Photosynthetic Proteins Genetically Modified for Expanded Solar Energy Harvesting

A transparent biohybrid photoelectrochemical tandem cell is developed by employing optically‐complementary variants of a photosynthetic protein in a stacked tandem architecture that utilizes a conductive polymer, poly(3,4‐ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS), as a transparent co...

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Bibliographic Details
Published in:Advanced energy materials 2017-04, Vol.7 (7), p.np-n/a
Main Authors: Ravi, Sai Kishore, Yu, Zhimeng, Swainsbury, David J. K., Ouyang, Jianyong, Jones, Michael R., Tan, Swee Ching
Format: Article
Language:English
Subjects:
Bacteria
biophotovoltaics
Cascade chemical reactions
Electrodes
Energy consumption
Energy harvesting
Genetic modification
Harvesting
PEDOT:PSS
Photocurrent
Photoelectric effect
Photoelectric emission
Photosynthesis
photosynthetic proteins
Platinum
Polystyrene resins
Proteins
Solar energy
transparent tandem solar cells
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Summary:A transparent biohybrid photoelectrochemical tandem cell is developed by employing optically‐complementary variants of a photosynthetic protein in a stacked tandem architecture that utilizes a conductive polymer, poly(3,4‐ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS), as a transparent counter electrode. The tandem design demonstrates the photocurrent enhancement by complementary absorption of two naturally‐occurring red and green versions of a bacterial Reaction center/Light Harvesting protein (RC‐LH1) that vary in the type of light harvesting carotenoid feeding the central reaction center module with excited state energy. The use of PEDOT:PSS electrode results in a 12‐fold improvement in photocurrent compared to that achievable with Platinum.
ISSN:1614-6832
1614-6840
DOI:10.1002/aenm.201601821