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Updated: May 8, 2025

Preparation of Large-area Vertical 2D Crystal Hetero-structures Through the Sulfurization of Transition Metal Films for Device Fabrication
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Published on: November 28, 2017

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过渡金属二甲基化物的原子级工程,用于增强进化反应反应

Lu Zhao1, Yang Song2, Zijun Xie1

  • 1Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences, Beijing, 100083, China.

Small methods
|April 16, 2025
PubMed
概括

单原子改性二维过渡金属二甲基化物 (SA-TMDs) 提供增强的演变反应 (HER) 催化. 原子级工程优化了活跃站点,以改善能源应用.

关键词:
在原子层次的催化剂.气演化反应反应的反应一个原子的催化剂.过渡金属二甲基二甲基化物

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Properties of Transition Metals02:58

Properties of Transition Metals

Transition metals are defined as those elements that have partially filled d orbitals. As shown in Figure 1, the d-block elements in groups 3–12 are transition elements. The f-block elements, also called inner transition metals (the lanthanides and actinides), also meet this criterion because the d orbital is partially occupied before the f orbitals.
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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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