引用本文:
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.
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.
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.
The Photocatalyzed Reduction of Aqueous Sodium Carbonate Using Nano SrFeO3
摘要:
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 CO32- initially to HCOO-, and then to HCHO and CH3OH.
English
The Photocatalyzed Reduction of Aqueous Sodium Carbonate Using Nano SrFeO3
Abstract:
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 CO32- initially to HCOO-, and then to HCHO and CH3OH.
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Key words:
- Photocatalysed reduction
- / sodium carbonate
- / SrFeO3
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