期刊
NATURE COMMUNICATIONS
卷 8, 期 -, 页码 -出版社
NATURE PORTFOLIO
DOI: 10.1038/s41467-017-01084-4
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资金
- University Arts London Central Saint Martins College of Arts and Design
- UK Engineering and Physical Sciences Research Council (EPSRC)
- EnAlgae (INTERREG IVB NWE) Shuttleworth Foundation
- Leverhulme Trust
- EPSRC [EP/H046380/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/H046380/1] Funding Source: researchfish
Microbial biophotovoltaic cells exploit the ability of cyanobacteria and microalgae to convert light energy into electrical current using water as the source of electrons. Such bioelectrochemical systems have a clear advantage over more conventional microbial fuel cells which require the input of organic carbon for microbial growth. However, innovative approaches are needed to address scale-up issues associated with the fabrication of the inorganic (electrodes) and biological (microbe) parts of the biophotovoltaic device. Here we demonstrate the feasibility of using a simple commercial inkjet printer to fabricate a thin-film paper-based biophotovoltaic cell consisting of a layer of cyanobacterial cells on top of a carbon nanotube conducting surface. We show that these printed cyanobacteria are capable of generating a sustained electrical current both in the dark (as a 'solar bio-battery') and in response to light (as a 'bio-solar-panel') with potential applications in low-power devices.
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