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Impact of 1-Methylimidazole on Crystal Formation, Phase Transitions, and Glass Formation in a Zeolitic Imidazolate Framework
Crystal Growth & Design ( IF 3.8 ) Pub Date : 2020-08-26 , DOI: 10.1021/acs.cgd.0c00740
Ya Yu 1 , Ang Qiao 1, 2 , Alice Mary Bumstead 3 , Thomas D. Bennett 3 , Yuanzheng Yue 1, 2 , Haizheng Tao 1
Affiliation  

We show that 1-methylimidazole (1-MeIm) can act as a modulator for the synthesis of the zeolitic imidazolate framework ZIF-4 [Zn(Im)2], since it affects the particle size, size distribution, morphology, and surface defects of the resultant product. This modulation has a strong impact on the polyamorphic phase transition, recrystallization, melting, and glass formation in ZIF-4 according to our detailed structural analysis and differential scanning calorimetric analysis. This work provides an effective route to tailor ZIF crystals with the desired characteristics and functionalities.

中文翻译:

1-甲基咪唑对沸石咪唑盐骨架中晶体形成,相变和玻璃形成的影响

我们表明1-甲基咪唑(1-MeIm)可以作为沸石咪唑酸酯骨架ZIF-4 [Zn(Im)2 ]的合成的调节剂,因为它影响粒径,尺寸分布,形态和表面缺陷最终产品的数量。根据我们详细的结构分析和差示扫描量热分析,这种调制对ZIF-4中的多晶相变,重结晶,熔融和玻璃形成具有重大影响。这项工作为定制具有所需特性和功能的ZIF晶体提供了一条有效途径。
更新日期:2020-10-07
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