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Updated: Jun 10, 2025

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单原子化富勒 (MN4-C54) 作为氧减少和氧进化反应的双功能催化剂

Junkai Xu1, Yunhao Wang1, Xiaoxue Yu1

  • 1School of Physics and Physical Engineering, Qufu Normal University, Qufu, Shandong 273165, China.

The journal of physical chemistry. A
|October 12, 2024
PubMed
概括

为氧气演变和还原反应开发地球丰富的催化剂是水分裂的关键. 新型基于C60的单原子催化剂表现出高性能,CuN4-C54的性能优于贵金属.

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Birch reduction uses solvated electrons as reducing agents. The reaction converts benzene to 1,4-cyclohexadiene. The reaction proceeds by the transfer of a single electron to the ring to form a benzene radical anion. This anion is highly basic—it abstracts a proton from the alcohol to form a cyclohexadienyl radical. Another single electron transfer gives the cyclohexadienyl anion. A proton transfer from the alcohol forms 1,4-cyclohexadiene. Since this reduction occurs via radical anion...
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Unlike the easy catalytic hydrogenation of an alkene double bond, hydrogenation of a benzene double bond under similar reaction conditions does not take place easily. For example, in the reduction of stilbene, the benzene ring remains unaffected while the alkene bond gets reduced. Hydrogenation of an alkene double bond is exothermic and a favorable process. In contrast, to hydrogenate the first unsaturated bond of benzene, an energy input is needed; that is, the process is endothermic. This is...
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