期刊
ENERGY & ENVIRONMENTAL SCIENCE
卷 6, 期 2, 页码 407-425出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2ee23668k
关键词
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资金
- Swiss Federal Office of Energy [153613-102809]
- Swiss National Science Foundation [121306]
- Swiss-Hungarian Sciex project [10.013]
- Hirschmann Foundation
The search for affordable high performance electrode materials in photoelectrochemical hydrogen production by solar water splitting is an ongoing quest. Hematite is a photoanode material with an electronic band gap suitable for efficient absorption of visible light in a photoelectrochemical cell (PEC). Although its poor electronic structure makes hematite a controversial candidate for PEC, it remains promising because it is an earth abundant, chemically stable and low cost material - necessary prerequisites for PEC to become a competitive cost-efficient solar fuel economy. In addition to reviewing some recent PEC research on hematite and its relevant physical and chemical characteristics, we show how hematite obtained by a low cost synthesis can be refined by hydrothermal treatment and further functionalized by coating with phycocyanin, a light harvesting protein known for photosynthesis in blue-green algae.
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