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首页> 外文期刊>ACS catalysis >A Strategy for One-Pot Conversion of Organic Pollutants into Useful Hydrocarbons through Coupling Photodegradation of MB with Photoreduction of CO2
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A Strategy for One-Pot Conversion of Organic Pollutants into Useful Hydrocarbons through Coupling Photodegradation of MB with Photoreduction of CO2

机译：通过MB的光降解与CO2的光耦合耦合将有机污染物一锅转化为有用的烃的策略

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摘要

A strategy was developed to couple photocatalytic oxidation with photocatalytic reduction technology to realize one-pot conversion of MB into hydrocarbons for the first time. In this approach, organic pollutants were first decomposed into CO2 by photodegradation and then the as-obtained CO2 was converted into CH3OH, C2H5OH, and CH4 through photocatalytic reduction of CO2 under solar spectrum irradiation by using GQDs/V-TiO2 catalysts. The experimental results show that 5%GQDs/V-TiO2 has the best photocatalytic activity and the product rates of CH3OH, C2H5OH, and CH4 are 13.24, 5.65, and 0.445 mu mol g(-1) h(-1), respectively. The corresponding apparent quantum efficiency is 4.87% at 420 nm. The one-pot conversion of MB into hydrocarbons was demonstrated by a series of experiments. The photocatalytic mechanisms of one-pot conversion of MB into hydrocarbons were proposed to explain the detailed photocatalytic process.
机译：开发了一种策略，将光催化氧化与光催化还原技术结合在一起，首次实现了MB到烃的一锅转化。在这种方法中，首先通过光降解将有机污染物分解为CO2，然后使用GQDs / V-TiO2催化剂在太阳光谱照射下通过光催化还原CO2将获得的CO2转化为CH3OH，C2H5OH和CH4。实验结果表明，5％GQDs / V-TiO2具有最佳的光催化活性，CH3OH，C2H5OH和CH4的产率分别为13.24、5.65和0.445μmol g（-1）h（-1）。相应的表观量子效率在420 nm为4.87％。通过一系列实验证明了MB到烃的一锅转化。提出了一锅法将MB转化为碳氢化合物的光催化机理，以解释详细的光催化过程。

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