Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 54, Issue 41, Pages 11961-11965Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201504634
Keywords
aggregation; core-shell structures; green algae; H-2 production; silicification
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Funding
- Fundamental Research Funds for the Central Universities (ZJU President Project)
- National Natural Science Foundation of China [21471129, 31370270]
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Photobiological hydrogen production is of great importance because of its promise for generating clean renewable energy. In nature, green algae cannot produce hydrogen as a result of the extreme sensitivity of hydrogenase to oxygen. However, we find that silicification-induced green algae aggregates can achieve sustainable photobiological hydrogen production even under natural aerobic conditions. The core-shell structure of the green algae aggregates creates a balance between photosynthetic electron generation and hydrogenase activity, thus allowing the production of hydrogen. This finding provides a viable pathway for the solar-driven splitting of water into hydrogen and oxygen to develop green energy alternatives by using rationally designed cell-material complexes.
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