Imaging and controlling nucleation

成像和控制成核

• 批准号: 2156668
• 金额: --
• 依托单位: University of Glasgow
• 依托单位国家: 英国
• 项目类别: Studentship
• 财政年份: 2017
• 资助国家: 英国
• 起止时间: 2017 至 无数据
• 项目状态: 已结题
• 来源: https://gtr.ukri.org/projects?ref=studentship-2156668
• 关键词: Imaging; controlling; nucleation

The nucleation of a new phase from solution, such as the nucleation of crystals, is of immense importance to industry and fundamental science. We will use imaging and powerful lasers to control the early stages of nucleation in liquids and liquid mixtures, thereby testing modern ideas on non-classical nucleation. Driving these systems very far from equilibrium will allow us to create meta- and unstable states that will give rise to complex phenomena. The subsequent highly non-equilibrium processes will be mapped using microscopy and, in particular, fluorescence microscopy using a range of environmentally sensitive dyes.We have been developing a novel instrument that will change the study of crystal nucleation and will make the first steps towards control over the polymorph that crystallises. It involves laser-induced nucleation using a powerful femtosecond/picosecond laser, and programmable diffractive optics, resulting in a novel massively parallel nucleation set-up. We will do spectroscopic imaging of liquids, making images and movies, and carry out fancy data analysis to extract information from these.

溶液中新相的成核，如晶体的成核，对工业和基础科学都具有极其重要的意义。我们将使用成像和强大的激光来控制液体和液体混合物中的成核的早期阶段，从而测试非经典成核的现代思想。使这些系统远离平衡将使我们能够创造Meta稳定和不稳定的状态，从而产生复杂的现象。随后的高度非平衡过程将映射使用显微镜，特别是荧光显微镜使用一系列环境敏感的dyees.We一直在开发一种新的仪器，将改变晶体成核的研究，并将使第一步控制多晶型结晶。它涉及使用强大的飞秒/皮秒激光器和可编程衍射光学器件的激光诱导成核，从而产生一种新型的大规模并行成核装置。我们将对液体进行光谱成像，制作图像和电影，并进行奇特的数据分析，从中提取信息。