期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 135, 期 18, 页码 6842-6845出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja403090x
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资金
- National Science Foundation [EPS-0903806, 1110942]
- State of Kansas through the Kansas Technology Enterprise Corporation
- ACS Petroleum Research Fund (ACS PRF) [47077-AC10]
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [1110942] Funding Source: National Science Foundation
- Office Of The Director
- Office of Integrative Activities [903806] Funding Source: National Science Foundation
A prototype of a nano solar cell containing the mycobacterial channel protein MspA has been successfully designed. MspA, an octameric transmembrane channel protein from Mycobacterium smegmatis, is one of the most stable proteins known to date. Eight Ruthenium(II) aminophenanthroline-viologen maleimide Diads (Ru-Diads) have been successfully bound to the MspA mutant MspAA96C via cysteine-maleimide bonds. MspA is known to form double layers in which it acts as nanoscopic surfactant. The nanostructured layer that is formed by (Ru-Diad)(8)MspA at the TiO2 electrode is photochemically active. The resulting protein nano solar cell features an incident photon conversion efficiency of 1% at 400 nm. This can be regarded as a proof-of-principle that stable proteins can be successfully integrated into the design of solar cells.
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