Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 9, Issue 12, Pages 10349-10354Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.6b16319
Keywords
photocatalysis; cocatalysts; microwave; interface; water splitting pulsed laser deposition; alpha-Fe2O3; Co-Pi
Funding
- MEXT, Japan [25249113, 25790013]
- ASPIRE League Research Grant
- Tokyo Tech
- Research Grants of TEPCO Memorial Foundation
- JFE 21st Century Foundation
- NEDO
- JSPS
- Program for the MEXT Leading Graduate Schools Academy for Cocreative Education of Environment and Energy Science (ACEEES)
- Grants-in-Aid for Scientific Research [15H03881, 25790013, 16H05983, 25249113] Funding Source: KAKEN
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We analyze the effects of microwave applied in the process of photoelectrochemical deposition of cobalt-based cocatalysts, Co-Pi, onto well orientated flat alpha-Fe2O3 thin films, which were fabricated by pulsed laser deposition. AS compared with conventional heating, microwave significantly affects the morphology, chemical composition, and photocatalytic activity of Co-Pi/alpha=Fe2O3 composite. A significant enhancement in photocurrent related to photocatalytic water oxidation is achieved by the Co Pi catalyst prepared under microwave irradiation. This, along with its interfacial electron-tansfer properties, Is studied by means of electrochemical impedance spectroscopy.
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