期刊
NATURE ENERGY
卷 3, 期 11, 页码 944-951出版社
NATURE RESEARCH
DOI: 10.1038/s41560-018-0232-y
关键词
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资金
- ERC Consolidator Grant MatEnSAP [682833]
- UK Engineering and Physical Sciences Research Council [EP/L015978/1, EP/G037221/1]
- Christian Doppler Research Association
- OMV Group
- Royal Society Newton International Fellowship [NF160054]
- Cluster of Excellence RESOLV - Deutsche Forschungsgemeinschaft [EXC 1069]
- European Union [764920 PHOTOBIOCAT]
- Office of Science, Office of Basic Energy Sciences of the US Department of Energy [DE-AC02-05CH11231]
Natural photosynthesis stores sunlight in chemical energy carriers, but it has not evolved for the efficient synthesis of fuels, such as H-2. Semi-artificial photosynthesis combines the strengths of natural photosynthesis with synthetic chemistry and materials science to develop model systems that overcome nature's limitations, such as low-yielding metabolic pathways and non-complementary light absorption by photosystems I and II. Here, we report a bias-free semi-artificial tandem platform that wires photosystem II to hydrogenase for overall water splitting. This photoelectrochemical cell integrated the red and blue light-absorber photosystem II with a green light-absorbing diketopyrrolopyrrole dye-sensitized TiO2 photoanode, and so enabled complementary panchromatic solar light absorption. Effective electronic communication at the enzyme-material interface was engineered using an osmium-complex-modified redox polymer on a hierarchically structured TiO2. This system provides a design protocol for bias-free semi-artificial Z schemes in vitro and provides an extended toolbox of biotic and abiotic components to re-engineer photosynthetic pathways.
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