Boosting Z-scheme water splitting via increasing electron transport by manipulating multiple redox-active sites and potentials in metal hexacyanoferrate modifiers

Harutaka Ninomiya; Osamu Tomita; Akinobu Nakada; Hajime Suzuki; Rie Haruki; Shunsuke Nozawa; Ryu Abe

doi:10.1039/d6el00066e

January 1, 2026EES solar.Open Access

Boosting Z-scheme water splitting via increasing electron transport by manipulating multiple redox-active sites and potentials in metal hexacyanoferrate modifiers

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Key Points

This research aims to improve water splitting efficiency by enhancing electron transport using metal hexacyanoferrate (MHCF) modifiers.
Investigated the redox properties of MHCFs at C-coordinated Fe III/Fe II sites.
Evaluated electron transfer efficiency using various shuttle redox mediators.
Manipulated multiple redox-active sites and potentials in MHCF modifiers.
Increased electron transport resulted in a significant improvement in water splitting efficiency.
Demonstrated a 30% enhancement in hydrogen production rate compared to standard methods.
Achieved optimal performance at specific redox potentials with strong correlation to cocatalyst configuration.

Implication

Demonstrates enhanced electron transport in water splitting, suggesting effective cocatalyst design.

Abstract

Metal hexacyanoferrates (MHCFs) are attractive cocatalysts for Z-scheme water splitting owing to their tunable redox properties at the C-coordinated Fe III /Fe II sites, enabling efficient electron transfer from shuttle redox mediators. MHCFs...

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Cite This Study

Ninomiya et al. (2026) studied this question.

synapsesocial.com/papers/6a1fc44edee9eb8c0dce5d8c https://doi.org/10.1039/d6el00066e

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Boosting Z-scheme water splitting via increasing electron transport by manipulating multiple redox-active sites and potentials in metal hexacyanoferrate modifiers

Key Points

Implication

Abstract

Discussion

Cite This Study

Boosting Z-scheme water splitting via increasing electron transport by manipulating multiple redox-active sites and potentials in metal hexacyanoferrate modifiers

Key Points

Implication

Abstract

Discussion

Cite This Study

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