Photoelectrochemical Water Splitting
Standards, Experimental Methods, and Protocols
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11 Result(s)
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**ebo Chen
Electrochemistry
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Book
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Chapter
Efficiency Definitions in the Field of PEC
Overall solar-to-hydrogen (STH) efficiency is the most important parameter to characterize a PEC device. In fact, materials systems themselves are effectively defined by their highest-recorded STH efficiency; ...
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Chapter
PEC Characterization Flowchart
The goal of PEC materials development is to design a material system that has the potential to satisfy most, if not all, of the requirements for cost-effective PEC hydrogen production. Figure 1 presents a reco...
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Chapter
Stability Testing
Photocorrosion in aqueous environments is one of the most significant obstacles to the widespread deployment of semiconductor materials as PEC devices for solar hydrogen production. The photogenerated holes an...
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Chapter
2-Electrode Short Circuit and j–V
Solar-to-hydrogen (STH) conversion efficiency is the most important figure of merit to gage the potential of a semiconductor material to photoelectrochemically split water (see Chapter “Efficiency ...
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Chapter
Introduction
Solar photoelectrochemical (PEC) hydrogen production is one of the promising technologies that could potentially provide a clean, cost-effective, and domestically produced energy carrier by taking advantage of...
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Chapter
Incident Photon-to-Current Efficiency and Photocurrent Spectroscopy
The incident photon-to-current efficiency (IPCE) is a measure of the ratio of the photocurrent (converted to an electron transfer rate) versus the rate of incident photons (converted from the calibrated power ...
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Chapter
Hydrogen and Oxygen Detection from Photoelectrodes
The chemical products of PEC water splitting processes are the evolved hydrogen and oxygen gases. Standard experimental methods for detecting and validating the quantity and quality of the product gases are cr...
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Chapter
Flat-Band Potential Techniques
It is important to determine the conductivity and flat-band potential (Efb) of a photoelectrode before carrying out any photoelectrochemical experiments. These properties help to elucidate the band structure o...
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Chapter
Experimental Considerations
Standardized characterization of PEC materials and photoelectrodes requires careful attention to experimental methods in sample preparation and testing setups. Fundamental experimental considerations are discu...
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Chapter
UV-Vis Spectroscopy
In a UV-Vis (ultraviolet-visible light) spectroscopic measurement, light absorption as a function of wavelength provides information about electronic transitions occurring in the material. For semiconductors, ...
