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Updated: Jun 12, 2025

Synthesis and Catalytic Performance of Gold Intercalated in the Walls of Mesoporous Silica
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过渡金属二甲基化物作为催化剂的作用 装饰黄金纳米颗粒的催化剂支持,用于增强进化反应

Boontarika Saeloo1, Thanit Saisopa2, Panwad Chavalekvirat3,4

  • 1Department of Chemistry, Faculty of Science, Kasetsart University, Chatuchak, Bangkok 10900, Thailand.

Inorganic chemistry
|September 27, 2024
PubMed
概括

装饰着金纳米颗粒 (AuNPs) 的二硫化 (MoS2) 纳米片表现出卓越的性能,作为电催化剂,支持演化反应 (HER). 这种MoS2/AuNPs系统与其他过渡金属二甲基化物相比,提供了增强的活性,稳定性和能量储存.

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Reduction of Alkenes: Asymmetric Catalytic Hydrogenation02:17

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Catalytic hydrogenation of alkenes is a transition-metal catalyzed reduction of the double bond using molecular hydrogen to give alkanes. The mode of hydrogen addition follows syn stereochemistry.
The metal catalyst used can be either heterogeneous or homogeneous. When hydrogenation of an alkene generates a chiral center, a pair of enantiomeric products is expected to form. However, an enantiomeric excess of one of the products can be facilitated using an enantioselective reaction or an...
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Alkenes undergo reduction by the addition of molecular hydrogen to give alkanes. Because the process generally occurs in the presence of a transition-metal catalyst, the reaction is called catalytic hydrogenation.
Metals like palladium, platinum, and nickel are commonly used in their solid forms — fine powder on an inert surface. As these catalysts remain insoluble in the reaction mixture, they are referred to as heterogeneous catalysts.
The hydrogenation process takes place on the...
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