ArticleNature materials2021
Extraction of mobile charge carrier photogeneration yield spectrum of ultrathin-film metal oxide photoanodes for solar water splitting.
Article in Nature materials, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 16 papers.
What it found
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The trial behind it
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Who cites it
16 citing papers in PubMed.
- Decoupling the Roles of Ligand-Field and Charge-Transfer Excitations on the Photocarrier Yield in Transition-Metal Oxides: Insights from MTiO3 (M = Ni, Co, Mn).Inorganic chemistry · 2026Article
- Photocorrosion, Protection, and Predictive Design in Solar Water Splitting.Small (Weinheim an der Bergstrasse, Germany) · 2026Review
- Characterizing two surface states and their role in the photoinduced oxygen evolution reaction on hematitePhysical chemistry chemical physics : PCCP · 2026Article
- Disentangling Structural and Electronic Contributions to Photogenerated Mobile Charge Carrier Yield and Transport in FeACS applied materials & interfaces · 2026Article
- Unlocking ultrafast hot hole transport in transition metal oxides governed by the nature of optical transitions.Nature communications · 2025Article
- Metal-centred states control carrier lifetimes in transition metal oxide photocatalysts.Nature chemistry · 2025Article
- Chemistry of Materials Underpinning Photoelectrochemical Solar Fuel Production.Chemical reviews · 2025Review
- Enhanced Charge Transfer Kinetics in Hematite Photoanodes via Au Nanoclusters─Toward Efficient Light-Driven Hydrogen Generation.Langmuir : the ACS journal of surfaces and colloids · 2025Article
- A standalone bismuth vanadate-silicon artificial leaf achieving 8.4% efficiency for hydrogen production.Nature communications · 2025Article
- Quantification of mobile charge carrier yield and transport lengths in ultrathin film light-trapping ZnFeJournal of materials chemistry. A · 2025Article
- Surface photovoltage microscopy for mapping charge separation on photocatalyst particles.Nature protocols · 2024Review
- Boosting the Solar Water Oxidation Performance of FeSmall science · 2024Article
- Stacking textured films on lattice-mismatched transparent conducting oxides via matched Voronoi cell of oxygen sublattice.Nature materials · 2024Article
- Composite Indium Tin Oxide Nanofibers with Embedded Hematite Nanoparticles for Photoelectrochemical Water Splitting.ACS applied materials & interfaces · 2022Article
- Advances in Engineered Metal Oxide Thin Films by Low-Cost, Solution-Based Techniques for Green Hydrogen Production.Nanomaterials (Basel, Switzerland) · 2022Article
- Hole utilization in solar hydrogen production.Nature reviews. Chemistry · 2022Review
Corrections and comments
- Erratum issued
Authors and funding
11 authors.
Funding
Abstract
Light absorption in strongly correlated electron materials can excite electrons and holes into a variety of different states. Some of these excitations yield mobile charge carriers, whereas others result in localized states that cannot contribute to photocurrent. The photogeneration yield spectrum, ξ(λ), represents the wavelength-dependent ratio between the contributing absorption that ultimately generates mobile charge carriers and the overall absorption. Despite being a vital material property, it is not trivial to characterize. Here, we present an empirical method to extract ξ(λ) through optical and external quantum efficiency measurements of ultrathin films. We applied this method to haematite photoanodes for water photo-oxidation, and observed that it is self-consistent for different illumination conditions and applied potentials. We found agreement between the extracted ξ(λ) spectrum and the photoconductivity spectrum measured by time-resolved microwave conductivity. These measurements revealed that mobile charge carrier generation increases with increasing energy across haematite's absorption spectrum. Low-energy non-contributing absorption fundamentally limits the photoconversion efficiency of haematite photoanodes and provides an upper limit to the achievable photocurrent that is substantially lower than that predicted based solely on absorption above the bandgap. We extended our analysis to TiO
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.