Photoelectrochemical Solar Fuel Production 2016
DOI: 10.1007/978-3-319-29641-8_8
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Multinary Metal Oxide Photoelectrodes

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Cited by 14 publications
(6 citation statements)
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“…Bismuth vanadate (BiVO 4 ) is a potential oxide photocatalyst and photoanode working under visible light irradiation because of the narrow bandgap (∼2.4 eV) of the monoclinic scheelite structure. However, the quantum efficiency is limited by the low electrical conductivity, low hole transfer efficiency, and the fast recombination of photogenerated electrons and holes. The strategies of heterojunction formation and donor doping have been addressed to resolve these issues.…”
Section: Introductionmentioning
confidence: 99%
“…Bismuth vanadate (BiVO 4 ) is a potential oxide photocatalyst and photoanode working under visible light irradiation because of the narrow bandgap (∼2.4 eV) of the monoclinic scheelite structure. However, the quantum efficiency is limited by the low electrical conductivity, low hole transfer efficiency, and the fast recombination of photogenerated electrons and holes. The strategies of heterojunction formation and donor doping have been addressed to resolve these issues.…”
Section: Introductionmentioning
confidence: 99%
“…Increased dark conductivity, due solely to higher carrier concentrations, would reduce resistance losses within the photoelectrode and increase fill factor but have only minimal impact on the saturation photocurrent density. In contrast, increased doping can significantly increase photocarrier trapping rates , and reduce the width of the charge separating depletion region . Thus, given that optimal doping levels in BiVO 4 lie in the range of a few atomic percent, where space charge widths can be as small as a few nanometers, the significant performance enhancements with doping are somewhat surprising.…”
mentioning
confidence: 99%
“…Semiconductor discovery efforts target materials that are not only efficient but also stable. For this reason, intensive research into new photoanodes has been devoted to thin-film metal oxides because they are expected to have improved photochemical stability under the oxidative conditions required for evolving oxygen from water . However, oxides are not universally stable under reaction conditions.…”
mentioning
confidence: 99%
“…[1][2][3][4][5] Hydrogen can be produced from electrochemical ion), compositing these into ternary components can create a wide range of novel photo anodes. [12] As the best performing BiVO 4 photoanode though its PEC performance is limited by its fractional sun light absorption capacity arising from its relatively large E g of ≈2.4 eV, ternary metal-tungstates such as FeWO 4 , CuWO 4 or SnWO 4 have recently garnered attention. Their smaller E g , suitable edge positions for water photooxidation, and earth-abundant element compositions make them attractive for application in PEC devices and other applications such as scintillation materials, photocatalysis, sensors, and supercapacitors.…”
Section: Introductionmentioning
confidence: 99%