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Updated: Jun 13, 2026

Preparation of Liquid-exfoliated Transition Metal Dichalcogenide Nanosheets with Controlled Size and Thickness: A State of the Art Protocol
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Preparation of Liquid-exfoliated Transition Metal Dichalcogenide Nanosheets with Controlled Size and Thickness: A State of the Art Protocol

Published on: December 20, 2016

在无形模板上生长的非传统阶段1T'-过渡金属二甲基化单层,用于高效的进化

Zijian Li1, Hua Yang1,2, Mingjun Sun3

  • 1Department of Chemistry, City University of Hong Kong, Hong Kong 999077, China.

Journal of the American Chemical Society
|February 10, 2026
PubMed
概括

研究人员开发了一种新方法,以创建稳定的二维过渡金属二二化物 (TMD) 单层,用于清洁的生产. 这些新型催化剂在演化反应 (HER) 中表现出卓越的性能和耐用性,性能优于白金.

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Reduction of Alkenes: Asymmetric Catalytic Hydrogenation02:17

Reduction of Alkenes: Asymmetric Catalytic Hydrogenation

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...