In-situ infrared investigation of m-TiO2/α-Fe2O3 photocatalysts and tracing of intermediates in photocatalytic hydrogenation of CO2 to methanol

Munirathinam Elavarasan, Willie Yang,Sethupathi Velmurugan,Jyy-Ning Chen, Yi-Ting Chang,Thomas Chung-Kuang Yang,Toshiyuki Yokoi

Journal of CO2 Utilization（2022）

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摘要

•Mesoporous TiO2 is synthesized and formed heterojunction with α-Fe2O3.•The m-TiO2/α-Fe2O3 heterojunction has been deployed for the conversion of CO2 into CH3OH.•Intermediate species of CO2 conversion process were traced by using DRIFT studies.•The CO2 adsorption capacity and conversion rate are 0.054 mmol/g and 40 % respectively.

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关键词

Photocatalytic H2O oxidation,CO2 reduction,Microporous TiO2,DRIFT,CO2 TPD

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