Construction of 2D/2D g-C3N4/CeO2 heterostructure and its oxygen vacancy mediated photocatalytic activity

Huihu Wang,Hao Tu,Haiping Hu,Yuan Chen,Pascal Boulet,Marie-Christine Record

Materials Letters（2023）

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摘要

•2D/2D g-C3N4/CeO2 with oxygen vacancy mediated activity was fabricated.•Ce3+/Ce4+ ratio in CeO2 was modulated through hydrogen gas treatment.•Oxygen vacancy in CeO2 effectively promoted CH4 yields of CO2 reduction.•S-scheme photocatalytic mechanism of g-C3N4/CeO2 heterojunction was proposed.

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关键词

Semiconductors,Nanocomposites,g-C3N4,CeO2,Oxygen vacancy

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