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Visible-Light photoreduction of CO2 over a cobalt porphyrin-based metal-organic framework by sacrificial electron

21st International Conference on Advanced Energy Materials and Research

N Sadeghi and S Sharifnia

Razi University, IranLaval University, Canada

Posters & Accepted Abstracts: Innov Ener Res

Abstract
This study describes the CO2 photoreduction over porphyrin-based metal-organic framework (Co/PMOF) in the presence of triethanolamine (TEOA) as a photocatalyst and sacrificial agent, respectively, under visible light irradiation. The photoluminescence properties of porphyrin and Co/PMOF showed that the lifetime of photogenerated charge carriers in Co/PMOF is longer than porphyrin. According to Fig. 1, Co/PMOF demonstrates significant photocatalytic activity toward CO2 reduction. The HCOO¯was continuously produced, the amount increasing to 23.21 μmol in 6 h. No other products have been detected in gas and liquid phases, suggesting that the Co/PMOF has highly selective toward the CO2 reduction. For comparison, TCCP was applied as a photocatalyst for CO2 reduction under similar condition. Only 4.56 μmol of HCOO¯ was produced after 6 h which is confirmed the photoactivity can be significantly increased by assembling the TCPP ligand onto MOFs structure.
Biography

E-mail: nasrin.sadeghi-sarab-ghanbari.1@ulaval.ca

 

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