纳米颗粒
材料科学
亚稳态
金属
化学工程
球磨机
纳米技术
溶剂
丙酮
一步到位
过渡金属
纳米结构
有机化学
催化作用
化学
冶金
工程类
作者
Ren Zou,Weijin Zhang,Min Dai,Gangtie Lei,Qike Jiang,Hujun Cao,Ping Chen
出处
期刊:Small
[Wiley]
日期:2022-12-11
卷期号:19 (8)
被引量:2
标识
DOI:10.1002/smll.202206518
摘要
Metal nanoparticles have attracted considerable scientific and technological interest in recent years, most related explorations and reports are focused on transition and noble metals. However, the synthesis and application of light metal nanoparticles represented by Mg have not been fully exploited, limited by their ultrahigh reactivity in air and preparation in harsh conditions. In this work, a simple and effective one-step organic solvent-assisted ball-milling process is developed to synthesize Mg and Li nanoparticles, which permits the formation of MgH2 in a hydrogen atmosphere in a one-step reaction process at ambient temperature. Further studies suggest that acetone chemisorbs on defects/surfaces of Mg during ball milling leading to the formation of a metastable magnesium complex, which significantly alters the physical and chemical characteristics of Mg grains. The formation of metastable complexes provides an attractive strategy to produce light metal nanoparticles and inspires the authors to study the interaction of organic solvents with light metals.
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