From Mineralogy to Crystal Engineering: Potential for Polymorphism in the Metal–Organic Framework Mineral Zhemchuzhnikovite and Its Synthetic Analogues

2020 ◽  
Vol 20 (2) ◽  
pp. 525-532 ◽  
Author(s):  
Igor Huskić ◽  
Tomislav Friščić
Keyword(s):  
Crystal Engineering ◽  
Metal Organic Framework ◽  
Synthetic Analogues ◽  
Metal Organic ◽  
Organic Framework

A new luminescent anionic metal–organic framework based on heterometallic zinc(II)–barium(II) for selective detection of Fe3+ and Cu2+ ions in aqueous solution

2019 ◽  
Vol 75 (10) ◽  
pp. 1372-1380 ◽  
Author(s):  
Natthakorn Phadungsak ◽  
Filip Kielar ◽  
Winya Dungkaew ◽  
Mongkol Sukwattanasinitt ◽  
Yan Zhou ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Crystal Engineering ◽  
Metal Organic Framework ◽  
Three Dimensional ◽  
Functional Materials ◽  
Ionic Species ◽  
Hydrothermal Conditions ◽  
Potential Applications ◽  
Metal Organic ◽  
Organic Framework

Over the past two decades, the development of novel inorganic–organic hybrid porous crystalline materials or metal–organic frameworks (MOFs) using crystal engineering has provoked significant interest due to their potential applications as functional materials. In this context, luminescent MOFs as fluorescence sensors have recently received significant attention for the sensing of ionic species and small molecules. In this work, a new luminescent heterometallic zinc(II)–barium(II)-based anionic metal–organic framework, namely poly[imidazolium [triaqua(μ6-benzene-1,3,5-tricarboxylato)bariumtrizinc] tetrahydrate], {(C3H4N2)[BaZn3(C9H3O6)3(H2O)3]·4H2O} n (1), was synthesized under hydrothermal conditions and characterized. Compound 1 presents a three-dimensional framework with an unprecedented (3,5)-connected topology of the point symbol (3.92).(33.42.5.93.10), and exhibits `turn-off' luminescence responses for the Cu2+ and Fe3+ ions in aqueous solution based on significantly different quenching mechanisms.

Crystal Engineering of an nbo Topology Metal-Organic Framework for Chemical Fixation of CO2under Ambient Conditions

2014 ◽  
Vol 126 (10) ◽  
pp. 2653-2657 ◽  
Author(s):  
Wen-Yang Gao ◽  
Yao Chen ◽  
Youhong Niu ◽  
Kia Williams ◽  
Lindsay Cash ◽  
...  
Keyword(s):  
Crystal Engineering ◽  
Metal Organic Framework ◽  
Chemical Fixation ◽  
Ambient Conditions ◽  
Metal Organic ◽  
Organic Framework

scholarly journals Colloidal crystal engineering with metal–organic framework nanoparticles and DNA

2020 ◽  
Vol 11 (1) ◽  
Author(s):  
Shunzhi Wang ◽  
Sarah S. Park ◽  
Cassandra T. Buru ◽  
Haixin Lin ◽  
Peng-Cheng Chen ◽  
...  
Keyword(s):  
Crystal Engineering ◽  
Colloidal Crystal ◽  
Metal Organic Framework ◽  
Metal Organic ◽  
Organic Framework

Crystal Engineering of an nbo Topology Metal-Organic Framework for Chemical Fixation of CO2under Ambient Conditions

2014 ◽  
Vol 53 (10) ◽  
pp. 2615-2619 ◽  
Author(s):  
Wen-Yang Gao ◽  
Yao Chen ◽  
Youhong Niu ◽  
Kia Williams ◽  
Lindsay Cash ◽  
...  
Keyword(s):  
Crystal Engineering ◽  
Metal Organic Framework ◽  
Chemical Fixation ◽  
Ambient Conditions ◽  
Metal Organic ◽  
Organic Framework

scholarly journals Crystal Engineering of Metal–Organic Framework Thin Films for Gas Separations

2018 ◽  
Vol 7 (1) ◽  
pp. 49-69 ◽  
Author(s):  
Deepu J. Babu ◽  
Guangwei He ◽  
Luis Francisco Villalobos ◽  
Kumar Varoon Agrawal
Keyword(s):  
Thin Films ◽  
Crystal Engineering ◽  
Metal Organic Framework ◽  
Gas Separations ◽  
Metal Organic ◽  
Organic Framework

Investigating the crystal engineering of the pillared paddlewheel metal–organic framework Zn2(NH2BDC)2DABCO

CrystEngComm ◽  
2018 ◽  
Vol 20 (39) ◽  
pp. 6082-6087 ◽  
Author(s):  
D. T. McGrath ◽  
V. A. Downing ◽  
M. J. Katz
Keyword(s):  
Crystal Engineering ◽  
Metal Organic Framework ◽  
Mechanistic Insight ◽  
Metal Organic ◽  
Insight Into ◽  
Organic Framework

We examined the characterization data for Zn2(NH2BDC)2DABCO to gain mechanistic insight into the crystal engineering of pillared paddlewheel MOFs.

Multifunctional metal–organic framework heterostructures for enhanced cancer therapy

2021 ◽  
Author(s):  
Jintong Liu ◽  
Jing Huang ◽  
Lei Zhang ◽  
Jianping Lei
Keyword(s):  
Cancer Therapy ◽  
General Principle ◽  
Biomedical Applications ◽  
Metal Organic Framework ◽  
Metal Organic ◽  
Functional Modulation ◽  
Organic Framework

We review the general principle of the design and functional modulation of nanoscaled MOF heterostructures, and biomedical applications in enhanced therapy.

Magnetic Ordering via Itinerant Ferromagnetism in a Metal-Organic Framework

2020 ◽  
Author(s):  
Jesse Park ◽  
Brianna Collins ◽  
Lucy Darago ◽  
Tomce Runcevski ◽  
Michael Aubrey ◽  
...  
Keyword(s):  
Charge Transport ◽  
Magnetic Order ◽  
Metal Organic Framework ◽  
Metal Organic Frameworks ◽  
Magnetic Ordering ◽  
Double Exchange ◽  
Itinerant Ferromagnetism ◽  
Organic Solids ◽  
Metal Organic ◽  
Organic Framework

<b>Materials that combine magnetic order with other desirable physical attributes offer to revolutionize our energy landscape. Indeed, such materials could find transformative applications in spintronics, quantum sensing, low-density magnets, and gas separations. As a result, efforts to design multifunctional magnetic materials have recently moved beyond traditional solid-state materials to metal–organic solids. Among these, metal–organic frameworks in particular bear structures that offer intrinsic porosity, vast chemical and structural programmability, and tunability of electronic properties. Nevertheless, magnetic order within metal–organic frameworks has generally been limited to low temperatures, owing largely to challenges in creating strong magnetic exchange in extended metal–organic solids. Here, we employ the phenomenon of itinerant ferromagnetism to realize magnetic ordering at <i>T</i><sub>C</sub> = 225 K in a mixed-valence chromium(II/III) triazolate compound, representing the highest ferromagnetic ordering temperature yet observed in a metal–organic framework. The itinerant ferromagnetism is shown to proceed via a double-exchange mechanism, the first such observation in any metal–organic material. Critically, this mechanism results in variable-temperature conductivity with barrierless charge transport below <i>T</i><sub>C</sub> and a large negative magnetoresistance of 23% at 5 K. These observations suggest applications for double-exchange-based coordination solids in the emergent fields of magnetoelectrics and spintronics. Taken together, the insights gleaned from these results are expected to provide a blueprint for the design and synthesis of porous materials with synergistic high-temperature magnetic and charge transport properties. </b>

Solvent-Free Powder Synthesis and MOF-CVD Thin Films of the Mesoporous Metal-Organic Framework MAF-6

2019 ◽  
Author(s):  
Timothée Stassin ◽  
Ivo Stassen ◽  
Joao Marreiros ◽  
Alexander John Cruz ◽  
Rhea Verbeke ◽  
...  
Keyword(s):  
Vapor Phase ◽  
Metal Organic Framework ◽  
Chemical Vapor ◽  
Uptake Capacity ◽  
Powder Synthesis ◽  
Crystalline Films ◽  
Metal Organic ◽  
Mesoporous Metal ◽  
First Time ◽  
Organic Framework

A simple solvent- and catalyst-free method is presented for the synthesis of the mesoporous metal-organic framework (MOF) MAF-6 (RHO-Zn(eIm)2) based on the reaction of ZnO with 2-ethylimidazole vapor at temperatures ≤ 100 °C. By translating this method to a chemical vapor deposition (CVD) protocol, mesoporous crystalline films could be deposited for the first time entirely from the vapor phase. A combination of PALS and Kr physisorption measurements confirmed the porosity of these MOF-CVD films and the size of the MAF-6 supercages (diam. ~2 nm), in close agreement with powder data and calculations. MAF-6 powders and films were further characterized by XRD, TGA, SEM, FTIR, PDF and EXAFS. The exceptional uptake capacity of the mesoporous MAF-6 in comparison to the microporous ZIF-8 is demonstrated by vapor-phase loading of a molecule larger than the ZIF-8 windows.

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