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Visible Light-Driven H2 Production by Hydrogenases Attached to Dye-Sensitized TiO2 Nanoparticles
Abstract
A study of hybrid, enzyme-modified nanoparticles able to produce H(2) using visible light as the energy source has been carried out to establish per-site performance standards for H(2) production catalysts able to operate under ambient conditions. The [NiFeSe]-hydrogenase from Desulfomicrobium baculatum (Db [NiFeSe]-H) is identified as a particularly proficient catalyst. The optimized system consisting of Db [NiFeSe]-H attached to Ru dye-sensitized TiO(2), with triethanolamine as a sacrificial electron donor, produces H(2) at a turnover frequency of approximately 50 (mol H(2)) s(-1) (mol total hydrogenase)(-1) at pH 7 and 25 degrees C, even under the typical solar irradiation of a northern European sky. The system shows high electrocatalytic stability not only under anaerobic conditions but also after prolonged exposure to air, thus making it sufficiently robust for benchtop applications.
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Cited by
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Li, X., Yu, J., Low, J., Fang, Y., Xiao, J., & Chen, X. (2015) · Journal of Materials Chemistry A · doi:10.1039/c4ta04461d · Cited by 1,888
Electro- and Solar-Driven Fuel Synthesis with First Row Transition Metal Complexes
Dalle, K. E., Warnan, J., Leung, J. J., Reuillard, B., Karmel, I. S., & Reisner, E. (2019) · Chemical Reviews · doi:10.1021/acs.chemrev.8b00392 · Cited by 912
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Metadata
- Authors
- Reisner, E., Powell, D. J., Cavazza, C., Fontecilla-Camps, J. C., & Armstrong, F. A.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2009-11-23
- Volume
- 131
- Issue
- 51
- Pages
- 18457-18466
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W1972729329
- Cited by
- 435
- References
- 0
- FWCI
- 13.40
- Type
- journal article
- Language
- en
- Open access
- closed
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- The paper
- Reisner, E., Powell, D. J., Cavazza, C., Fontecilla-Camps, J. C., & Armstrong, F. A. (2009). Visible Light-Driven H2 Production by Hydrogenases Attached to Dye-Sensitized TiO2 Nanoparticles. Journal of the American Chemical Society. https://doi.org/10.1021/ja907923r
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