Current methodologies to produce glass forming metal–organic frameworks (MOFs) rely on non-scalable solvothermal syntheses which have high energy requirements, relatively low yields and large teratogenic solvent usage. Here we use a mechanochemical method to produce the glass-forming MOFs, ZIF-62 and ZIF-UC-5, in 30 minutes at room temperature, using microlitre quantities of solvent and stoichiometric amounts of organic linkers. This method facilitates the accurate synthesis of ZIF-62 structures containing both Co and Zn, allowing the effect of metal-ion dopant upon melting temperature to be studied for the first time. Further to this, we present variable organic linker ratio series of ZIF-62 and of ZIF-UC-5. The specific composition of the materials in the series is made possible by the mechanochemical method. We also present a greener solvothermal method to form ZIF-62, which is capable of producing crystalline materials of suffcient quality for single crystal diffraction experiments.

中文翻译：

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混合金属，混合接头，玻璃形成金属-有机骨架的机械化学合成

目前生产玻璃成形金属有机框架（MOF）的方法依赖于不可缩放的溶剂热合成，这些合成具有高能量需求，相对较低的收率和大量致畸溶剂的使用。在这里，我们使用机械化学方法，在室温下30分钟内，使用微升量的溶剂和化学计量的有机连接基，来生产形成玻璃的MOF，ZIF-62和ZIF-UC-5。该方法有助于精确合成含有Co和Zn的ZIF-62结构，从而首次研究了金属离子掺杂剂对熔融温度的影响。除此之外，我们提出了ZIF-62和ZIF-UC-5的可变有机连接基比率系列。通过机械化学方法使得系列材料的特定组成成为可能。