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首页> 外文期刊>Crystal growth & design >Crystallization in unsaturated glycine/D_2O solution achieved by irradiating a focused continuous wave near infrared laser
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Crystallization in unsaturated glycine/D_2O solution achieved by irradiating a focused continuous wave near infrared laser

机译:通过照射聚焦连续波近红外激光在不饱和甘氨酸/ D_2O溶液中结晶

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摘要

The crystallization of glycine in unsaturated solution is made possible by laser trapping of its molecular clusters due to photon pressure of a focused continuous wave near-infrared laser beam. Always one single crystal is spatiotemporally formed at a focal spot, and then it undergoes dissolution, eventually leading to repetitive crystallization and dissolution. The polymorph characterization of the crystal formed in unsaturated solution confirmed the γ-form, which is not obtainable by conventional crystallization methods. The preparation probability of the γ-form compared to the α-form is much higher than that in the supersaturated solution.
机译:由于聚焦连续波近红外激光束的光子压力,甘氨酸在不饱和溶液中的结晶可以通过激光捕获其分子簇而实现。通常在焦点上时空形成一个单晶,然后进行溶解,最终导致重复结晶和溶解。在不饱和溶液中形成的晶体的多晶型特征证实了γ-形式,这是常规结晶方法无法获得的。与α-形式相比,γ-形式的制备可能性远高于过饱和溶液中的制备可能性。

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