Importance

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Abstract

There are provided photovoltaic-photoelectrochemical devices each comprising a diode and a plurality of separate photocathode elements. Preferably, the devices are positioned in a container in which they are at least partially immersed in electrolyte. Preferably, the devices are positioned in a container which has at least one photocathode reaction product vent and at least one anode reaction product vent. Preferably, the devices are positioned in a container which has an internal partial wall extending from a top portion of the container toward, but not reaching, a bottom portion of the container, the internal partial wall being positioned between the photocathode elements and an anode element which is electrically connected to the p-region of the diode. There are also provided photovoltaic-photoelectrochemical methods using such devices, and methods of making such devices.

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First Claim