Solar Light-Driven Reduction of CO<sub>2</sub> on p-type Silicon Semiconducting Electrodes by Iron(0)pentaflourotetraphenylporphyrin

Khalaf Alenezi

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Solar Light-Driven Reduction of CO₂ on p-type Silicon Semiconducting Electrodes by Iron(0)pentaflourotetraphenylporphyrin

机译：铁（0）五氟四苯基卟啉在p型硅半导体电极上太阳光驱动还原CO ₂

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Iron(0)pentaflourotetraphenylporphyrin [FeCl(PFTPP)] electrocatalyse the selective photoreduction ofCO2 to CO at illuminated p-type silicon photocathode at a potential 600 mV positive of that requiredfor carbon and Hg electrodes with current efficiency of 22 % and the amount of hydrogen 35 %.Coupling of homogeneous Fe-porphyrins catalyse the reduction of CO2 with heterogeneous H2Oreduction by photocathode p-type Si electrode. More H2 production detected at a lower concentrationof catalyst, whereas electrolysis on Hg and carbon electrode under the same condition as p-type Sishowed very low H2 production.

机译：铁（0）五氟四苯基卟啉[FeCl（PFTPP）]在光照的p型硅光电阴极上以600 mV的正电势将碳的选择性光还原为碳和汞电极所需的电势，电流效率为22％，氢含量为35％均相铁卟啉的偶联通过光阴极p型Si电极催化CO2还原和异质H2O还原。在较低的催化剂浓度下检测到更多的H2产生，而在与p型Si相同的条件下，在Hg和碳电极上的电解显示出非常低的H2产生。

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《International Journal of Electrochemical Science》 |2015年第5期|共11页
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Khalaf Alenezi;
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Solar Light-Driven Reduction of CO2 on p-type Silicon Semiconducting Electrodes by Iron(0)pentaflourotetraphenylporphyrin

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Solar Light-Driven Reduction of CO₂ on p-type Silicon Semiconducting Electrodes by Iron(0)pentaflourotetraphenylporphyrin