Journal of the Ceramic Society of Japan
Online ISSN : 1348-6535
Print ISSN : 1882-0743
ISSN-L : 1348-6535
Feature: Functional Ceramics for Energy Conversion and Storage Devices: Express letter
Photoprotein as an internal light source for a photoelectrochemical cell employing a semiconducting oxide electrode
Kai KAMADAKeiichiro TAKEYAMAEri YOSHIDANobuaki SOH
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2017 Volume 125 Issue 4 Pages 190-192

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Abstract

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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© 2017 The Ceramic Society of Japan
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