In-situ observation device and observation method for crystal growth based on tiny droplets

A micro-droplet and crystal growth technology, which is applied in measuring devices, testing crystals, and material analysis through optical means, can solve the problems that the crystal growth process is not deep enough, and it is impossible to observe the growth process in situ, and achieve convenient control. Effect

Inactive Publication Date: 2018-04-20
TSINGHUA UNIV +1
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Problems solved by technology

However, the research on the crystal growth process is not deep enough at present. The main reason is that under normal circumstances, a large number of crystals are precipitated from a large number of solutions, and it is impossible to observe the growth process in situ.

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  • In-situ observation device and observation method for crystal growth based on tiny droplets

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[0034] The orientation terms such as up, down, left, right, front and rear in this application document are established based on the positional relationship shown in the drawings. If the drawings are different, the corresponding positional relationship may also change accordingly, so this should not be understood as limiting the scope of protection.

[0035] Such as figure 1 As shown, an in-situ observation device for crystal growth includes a bracket 1 , a droplet generation and control unit, a droplet carrying platform 4 , an observation recording unit and an observation mirror bracket 8 . The droplet generation and control device includes a microdroplet 2 , a droplet generation controller and a dropper holder 3 . The micro-dropper 2 is fixed on the top of the bracket 1 by a dropper holder 3 . The middle part of the droplet carrying platform 4 is provided with a through hole for placing a transparent slide glass 5 , and the slide glass 5 is located under the microdrop tube...

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Abstract

An in-situ observation device for crystal growth based on tiny droplets includes a droplet generation and control unit, a droplet bearing platform and an observation recording unit. The droplet generation and control device includes a micro dropper, a droplet generation controller and a dropper fixing holder. A part, located below the micro dropper, of the droplet bearing platform is used for placing a glass slide. The observation and recording unit includes an observation mirror and a data acquisition system, the observation mirror is located below the glass slide, and a lens faces to the glass slide. The observation mirror includes a microscope or a spectrometer. The droplet generation and control device can produce tiny droplets with the volume from a femto-liter level to a micro-literlevel, and the volume of the droplets can be accurately controlled by the diameter of the micro dropper and the droplet generation controller. A solution is quantitatively jetted on the glass slide, then the observation mirror is used for observation and the data acquisition system is used for recording, and the shape change and rule of the nucleation, growth and precipitation processes of the crystal formed from micro droplets can be obtained. The invention provides a simple and rapid technical means to realize in-situ observation of the crystal material growth process.

Description

technical field [0001] The present invention relates to an in-situ observation device and method for crystal growth based on micro-droplets, in particular to a device and method for observing the crystal growth process in micro-droplets based on micro-droplet jetting technology, which belongs to new material synthesis and representation domain. Background technique [0002] Crystal growth from solution is an important material synthesis process widely used in fine chemistry, petrochemical, food and pharmaceutical industries. The structure, morphology and quality of crystals have an important impact on product performance. Effective control of the crystal growth process can only be achieved with a deep understanding of it. Studying crystal growth behavior is of great significance to control the structure, morphology and quality of crystals, and then improve the performance of products. However, the research on the crystal growth process is not deep enough at present. The m...

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Application Information

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IPC IPC(8): G01N21/84
CPCG01N21/84G01N2021/8477
Inventor 韦进全李雅慧赵振昊林峰丁孔贤孙永明崔贤
Owner TSINGHUA UNIV
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