What question did this study set out to answer?

To construct a visible-light-responsive hybrid photocathode capable of achieving non-biased carbon dioxide reduction paired with water oxidation.

January 1, 2017Chemical ScienceOpen Access

Hybrid photocathode consisting of a CuGaO₂ p-type semiconductor and a Ru(ii)–Re(i) supramolecular photocatalyst: non-biased visible-light-driven CO₂ reduction with water oxidation

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To construct a visible-light-responsive hybrid photocathode capable of achieving non-biased carbon dioxide reduction paired with water oxidation.
Fabricated a hybrid photocathode by combining a p-type CuGaO2 semiconductor with a Ru(II)–Re(I) supramolecular photocatalyst.
Assembled a complete photoelectrochemical cell by coupling the hybrid photocathode with a CoOx/TaON photoanode under visible light without an external bias voltage.
Successfully drove simultaneous CO2 reduction and water oxidation under visible-light irradiation.
Operated the reaction without requiring external electrical bias, validating spontaneous solar-driven conversion.

Authors

HKHiromu KumagaiTokyo Electron (Japan)GSGo SaharaTokyo Institute of Technology KMKazuhiko MaedaKanazawa University

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Implication

Experimental study demonstrates unbiased visible-light-driven CO2 reduction coupled with water oxidation in a hybrid photoelectrochemical cell, suggesting viable solar fuel synthesis.

Cite This Study

Kumagai et al. (2017) studied this question.

synapsesocial.com/papers/6a14d1fb6f520dd18d29dd58 https://doi.org/10.1039/c7sc00940b

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Implication

Experimental study demonstrates unbiased visible-light-driven CO2 reduction coupled with water oxidation in a hybrid photoelectrochemical cell, suggesting viable solar fuel synthesis.

Hybrid photocathode consisting of a CuGaO₂ p-type semiconductor and a Ru(ii)–Re(i) supramolecular photocatalyst: non-biased visible-light-driven CO₂ reduction with water oxidation

Key Points

Discussion

Implication

Cite This Study

Hybrid photocathode consisting of a CuGaO₂ p-type semiconductor and a Ru(ii)–Re(i) supramolecular photocatalyst: non-biased visible-light-driven CO₂ reduction with water oxidation

Key Points

Discussion

Implication

Cite This Study

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