Citation: Qiu Hua YANG, Xi Xian FU. The Photocatalyzed Reduction of Aqueous Sodium Carbonate Using Nano SrFeO₃[J]. Chinese Chemical Letters, ;2003, 14(6): 649-652. shu

The Photocatalyzed Reduction of Aqueous Sodium Carbonate Using Nano SrFeO₃

Qiu Hua YANG ,
Xi Xian FU

Department of Chemistry, School of Science, Tianjin University, Tianjin 300072

Received Date: 22 July 2002

Heterogenous photocatalyzed reduction of aqueous Na₂CO₃ has been carried out byusing nano SrFeO₃ semiconductor powders. Formic acid, formaldehyde and methyl alcoholwere identified as photoproducts, and were measured spectrophotometrically. The effect of thevariation of different parameters such as sodium carbonate concentration, amount of photocatalystand different light sources on the yield of photoproducts was also investigated. It shows thatnano SrFeO₃ has photocatalytic activity. Irradiation leads to the production of electrons in theconduction band of the SrFeO₃ semiconductor. It is likely that the photoproduced electronsreduce CO₃^2- initially to HCOO^-, and then to HCHO and CH₃OH.
- Photocatalysed reduction,
- sodium carbonate,
- SrFeO₃
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