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January 1, 2026RSC Applied InterfacesOpen Access

Photocatalytic reduction of CO2 with water using catalysts of γ-Ga2O3 supported by α-Ga2O3: mechanism and roles of each phase

Kosuke Kawaai Naoto Ota Shigeo Arai Muneaki Yamamoto T. Tanabe Tomoko Yoshida

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Key Points

To explore the mechanism of photocatalytic reduction of CO2 using gallium oxide catalysts.
Investigated photocatalytic processes using γ-Ga2O3 and α-Ga2O3.
Examined the roles of different phases of gallium oxide in CO2 reduction.
Conducted experiments with mixed phase catalysts.
Gallium oxide catalysts effectively reduce CO2 with water.
Different phase combinations influence the efficiency of the photocatalytic process.
Mechanisms of action and roles of phases were elucidated during reduction.

Implication

Experimental analysis demonstrates gallium oxide catalysts reduce CO2 in various phases, suggesting efficiency improvements.

Abstract

Gallium oxide (Ga2O3) consisting of the mixed phases of α and β, β and γ, and α and γ is known as a photocatalyst for the reduction of CO2 with...

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Cite This Study

Kawaai et al. (2026) studied this question.

synapsesocial.com/papers/69faa30204f884e66b5339da https://doi.org/10.1039/d6lf00085a

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