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Ultrafast shock synthesis of nanocarbon from a liquid precursor.
Nature Communications ( IF 16.6 ) Pub Date : 2020-01-17 , DOI: 10.1038/s41467-019-14034-z
Michael R Armstrong 1 , Rebecca K Lindsey 1 , Nir Goldman 1 , Michael H Nielsen 1 , Elissaios Stavrou 1 , Laurence E Fried 1 , Joseph M Zaug 1 , Sorin Bastea 1
Affiliation  

Carbon nanoallotropes are important nanomaterials with unusual properties and promising applications. High pressure synthesis has the potential to open new avenues for controlling and designing their physical and chemical characteristics for a broad range of uses but it remains little understood due to persistent conceptual and experimental challenges, in addition to fundamental physics and chemistry questions that are still unresolved after many decades. Here we demonstrate sub-nanosecond nanocarbon synthesis through the application of laser-induced shock-waves to a prototypical organic carbon-rich liquid precursor-liquid carbon monoxide. Overlapping large-scale molecular dynamics simulations capture the atomistic details of the nanoparticles' formation and evolution in a reactive environment and identify classical evaporation-condensation as the mechanism governing their growth on these time scales.

中文翻译:

从液体前体超快冲击合成纳米碳。

碳纳米节肢动物是重要的纳米材料,具有非凡的性能和广阔的应用前景。高压合成有可能为控制和设计其广泛用途的物理和化学特性开辟新途径,但由于长期存在的概念和实验挑战,以及尚待解决的基本物理和化学问题,人们对其了解甚少几十年后 在这里,我们通过将激光诱导的冲击波应用于典型的富含有机碳的液态前驱物-液态一氧化碳来演示亚纳秒级纳米碳的合成。重叠的大规模分子动力学模拟捕获了纳米粒子的原子细节
更新日期:2020-01-17
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