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学科主题物理化学
Photo-Enhanced Electrochemical CO2 Reduction Using Self-Assembled Cobalt (III) Porphyrin nanofibers
Song YJ(宋玉江); Luo BT(罗伯特); Xie Y(谢妍); Zhang CS(张财顺); Xing YH(邢永恒); Zhan MS(詹姆斯); Yue H(约翰); Yujiang Song
会议名称Sixth International Conference on porphyrins and Phthalocyanines
会议日期2010-8-4
2010-08-04
会议地点美国
页码00/2
部门归属三室
主办者美国卟啉酞菁会议委员会
英文摘要Electrochemical reduction of CO2 on various types of catalysts has been investigated intensively as a possible way to convert waste CO2 to useful products and thus contributing to the effort of limiting climate change. Porphyrins and phthalocyanines are known to be very promising catalysts for CO2 electroreduction but their corresponding nanostructures have not thus far been investigated.1 Herein, we report the growth of Co(III)TPPCl nanofibers (20-100 nm in diameter) on gas diffusion layers via an evaporation induced self-assembly (EISA) method as shown in Fig. 1.2 Remarkably, as-fabricated electrodes demonstrate light-enhanced activity for CO2 reduction to CO as evidenced by cyclic voltammograms and electrolysis with/without light irradiation. To the best of our knowledge, it is the first time that such a light-enhanced CO2 reduction effect based on nanostructured cobalt(III) porphyrin catalysts has been observed. Gas chromatography (GC) verifies that light irradiation can improve CO production by up to 31% during 2 hours of electrolysis. Studies on the mechanism of light enhanced CO production are on-going. In addition, a variety of novel porphyrin nano- or micro-structures comprising cobalt(III) porphyrins were also prepared, such as microcrosses with tunable structural features at the nano-scale.
语种中文
文献类型会议论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/114098
专题中国科学院大连化学物理研究所
通讯作者Yujiang Song
推荐引用方式
GB/T 7714
Song YJ,Luo BT,Xie Y,et al. Photo-Enhanced Electrochemical CO2 Reduction Using Self-Assembled Cobalt (III) Porphyrin nanofibers[C],2010:00/2.
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