
Synthesis, phase transitions and vitrification of the zeolitic ...
2019年12月1日 · ZIF-4 (Zn[C 3 N 2 H 3] 2) is one of the most studied ZIFs owing to its flexible structure, phase transformations and potential applications [[15], [16], [17], [18]]. Some of ZIFs …
熔融后还能形成多孔结构?新型MOF玻璃- X-MOL资讯
2019年4月14日 · 近日,英国剑桥大学的Thomas D. Bennett研究团队在Nature Materials 上报道了同时施以高压和高温条件下ZIF-62和ZIF-4的复杂相变行为。 这两种MOF在压力(P)-温 …
Pressure promoted low-temperature melting of metal–organic …
2019年3月18日 · Here, we show that simultaneous high-pressure and high-temperature conditions result in complex behaviour in ZIF-62 and ZIF-4, with distinct high- and low-density …
Liquid metal–organic frameworks - Nature Materials
2017年10月9日 · We first studied the evolution in structure of ZIF-4, which is composed of Zn (Im) 4 tetrahedra linked by Zn–N coordinative bonds (Fig. 1a, b), and forms a three-dimensional, …
Microscopic mechanism of thermal amorphization of ZIF-4 and …
2024年1月24日 · We investigate the microscopic mechanism of the thermally induced ambient pressure ordered–disordered phase transitions of two zeolitic imidazolate frameworks of …
Crystal structures of ZIF-4 and ZIF-zni, exhibiting the same …
We use ab initio density functional theory (DFT) to elucidate the mechanical properties of two topologically distinct zeolitic imidazolate framework (ZIF) materials: ZIF-4 and ZIF-zni, both...
ZIF-4 中多个吸附位点和结构转变的拉曼证据,Inorganic Chemistry
沸石咪唑酯骨架 ZIF-4 具有软孔隙率,并且已知孔体积随温度、压力和客体吸附而变化。 然而,ZIF-4 的机理和吸附行为尚不完全清楚。 在这项工作中,我们报告了在真空 (10 –6 Torr) 条件 …
Raman Evidence of Multiple Adsorption Sites and Structural ...
2023年5月10日 · The zeolitic imidazolate framework, ZIF-4, exhibits soft porosity and is known to show pore volume changes with temperatures, pressures, and guest adsorption. However, the …
ZIF-4 | Berkeley Global Science Institute
Abstract: Twelve zeolitic imidazolate frameworks (ZIFs; termed ZIF-1 to -12) have been synthesized as crystals by copolymerization of either Zn(II) (ZIF-1 to -4, -6 to -8, and -10 to …
Structure and Properties of an Amorphous Metal-Organic …
2010年3月19日 · ZIF-4, a metal-organic framework (MOF) with a zeolitic structure, undergoes a crystal--amorphous transition on heating to $300\text{ …