Journal Article Photoprotein as an internal light source for a photoelectrochemical cell employing a semiconducting oxide electrode

Kamada, Kai  ,  Takeyama, Keiichiro  ,  Yoshida, Eri  ,  Soh, Nobuaki

125 ( 4 )  , pp.190 - 192 , 2017-04-03 , 日本セラミックス協会
Inorganic-bio nanocomposites combining photoproteins (aequorin, AEQ) with a Pt-doped α-Fe2O3 (Pt-α-Fe2O3) thin film could induce a photoelectrochemical reaction without an external light source. Blue emission originated from Ca2+ binding to AEQ excited the n-type semiconducting Pt-α-Fe2O3 under an anodic bias, then an anodic photocurrent was clearly observed in a basic solution.

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