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Verzweigte Hämatit‐Photoanoden wurden durch Atomlagenabscheidung mit einer dünnen Trennschicht aus Titandioxid modifiziert. In der Zuschrift auf S. 13058 ff. zeigen J. Gong et al., dass diese Trennschicht als Passivierungsschicht und Dotierungsquelle dient. So unterdrückt sie die Ladungsrekombination an der Grenzfläche und verbessert die elektrische Leitfähigkeit. Mithilfe eines Cokatalysators aus...
This paper describes the introduction of a thin titanium dioxide interlayer that serves as passivation layer and dopant source for hematite (α‐Fe2O3) nanoarray photoanodes. This interlayer is demonstrated to boost the photocurrent by suppressing the substrate/hematite interfacial charge recombination, and to increase the electrical conductivity by enabling Ti4+ incorporation. The dendritic nanostructure...
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