2023Energy & Environmental ScienceOpen access

Contactless measurement of the photovoltage in BiVO 4 photoelectrodes

Sahar Daemi, Anna Kundmann, Kathleen Becker, Peter Čendula, Frank E. Osterloh

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Abstract

Vibrating Kelvin probe surface photovoltage spectroscopy (VKP SPV) provides the photovoltage of BiVO 4 -liquid junctions in a contactless way. The photovoltage is controlled by the electrochemical potential of the redox couples in solution.

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What this paper is about

Vibrating Kelvin probe surface photovoltage spectroscopy (VKP SPV) provides the photovoltage of BiVO 4 -liquid junctions in a contactless way. The photovoltage is controlled by the electrochemical potential of the redox couples in solution.

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Available abstract

Vibrating Kelvin probe surface photovoltage spectroscopy (VKP SPV) provides the photovoltage of BiVO 4 -liquid junctions in a contactless way. The photovoltage is controlled by the electrochemical potential of the redox couples in solution.

Key concepts: Surface photovoltage, Kelvin probe force microscope, Optoelectronics, Materials science, Redox, Electrochemistry, Spectroscopy, Chemistry

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