通过化学转换,有序金属化物结构的演变
Jessy B Rivest1, Raffaella Buonsanti, Teresa E Pick
1The Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, California, 94720, USA.
Journal of the American Chemical Society
|May 14, 2013
概括
研究人员开发了一种新方法来制造多孔金属化物. 这项技术使用表面处理的纳米晶体和剂量来控制这些重要的设备材料的多孔性.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术 纳米技术
- 化学 化学 化学
背景情况:
- 金属石化物对于各种电子和光子设备至关重要.
- 目前的方法缺乏精确控制金属素的孔隙性.
- 孔隙性显著影响材料特性和设备性能.
研究的目的:
- 开发一种新的方法来制造层次上有序的多孔金属化物.
- 为了能够精确控制这些材料中的孔隙结构.
- 为了提高多孔金属化物的稳定性和可加工性.
主要方法:
- 使用表面处理的金属化物纳米晶体.
- 雇佣互补的建筑指导代理人.
- 制造具有控制的层次性多孔性的中孔结构.
主要成果:
- 成功诱导金属素化物中的层次上有序的多孔性.
- 证明了由此产生的半孔材料的强度.
- 在热和化学转化下表现出稳定性.
结论:
- 开发的方法提供了前所未有的控制金属基化物中的多孔性.
- 由此产生的半孔材料具有出色的热和化学稳定性.
- 这一进步为设计基于金属石灰的先进设备开辟了新的途径.
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相关概念视频
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.
Metallic Solids
Metallic solids such as crystals of copper, aluminum, and iron are formed by metal atoms. The structure of metallic crystals is often described as a uniform distribution of atomic nuclei within a “sea” of delocalized electrons. The atoms within such a metallic solid are held together by a unique force known as metallic bonding that gives rise to many useful and varied bulk properties.
All metallic solids exhibit high thermal and electrical conductivity, metallic luster, and malleability. Many...
All metallic solids exhibit high thermal and electrical conductivity, metallic luster, and malleability. Many...
