Special Issue "Synthesis, Processing and Applications of Metal–Organic Frameworks using Compressed Fluids"

A special issue of Crystals (ISSN 2073-4352). This special issue belongs to the section "Crystalline Materials".

Deadline for manuscript submissions: closed (15 January 2020).

Special Issue Editor

Dr. Ana M. López-Periago
E-Mail Website
Guest Editor
CSIC - Instituto de Ciencia de Materiales de Barcelona (ICMAB), Cerdanyola del Valles, Spain
Interests: supercritical fluids; porous materials; coordination polymers; metal–organic frameworks; graphene oxide aerogels

Special Issue Information

Dear Colleagues,

This Special Issue, entitled "Synthesis, Processing, and Applications of Metal–Organic Frameworks using compressed fluids", is aimed at gathering the most recent advances on topics related to the field of compressed fluids with organic–inorganic hybrid porous materials called metal–organic frameworks (MOFs), as well as coordination polymers.

Since the emergence of the first MOF, synthesized by Yaghi in the nineties, the study of the synthesis, processing, and applications of MOFs has increased exponentially because of their uses in gas storage, catalysis, or drug release, among many others. The number of articles published each year present increasingly sophisticated structures, from rigid to flexible frameworks, challenging high-surface areas, varied synthesis methods, and new functionalization techniques.

The topic that relates compressed fluids and MOFs is very broad, since it gathers the areas of gas storage to MOF activation as well as the use of compressed CO2 technology for MOF synthesis.

Gas storage in MOFs is currently one of the most promising areas of research interest since the market is eager to exploit new materials with improved performances where the growth and industrial application of gas adsorption technologies depends on high-quality scalable materials

In addition, compressed CO2 was first used in MOF materials for their activation, involving the elimination of traces of solvents obstructing the MOF pores. The well-established use of compressed CO2 technology—and by extension, other compressed fluids—into porous structures has naturally extended its application to the world of MOF materials.

In this Special Issue, we would like to bring together the different reports on all of the related topics on the use of compressed fluids in MOFs involving their preparation, processing or functionalization, and applications stressing the particular case of gas storage, the difficulties encountered, and how to tackle them.

Some additional interesting topics that may be included are listed below as keywords. We especially welcome any advanced topics in this field.


Dr. Ana M. López-Periago
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Crystals is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.


  • Supercritical CO2
  • Supercritical reactive crystallization
  • Metal–organic frameworks (MOFs)
  • Sustainable MOF preparation
  • Coordination polymers (CPs)
  • Porous hybrid materials
  • sCO2 solubility of building blocks

Published Papers (1 paper)

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Open AccessArticle
Using Supercritical CO2 in the Preparation of Metal-Organic Frameworks: Investigating Effects on Crystallisation
Crystals 2020, 10(1), 17; https://doi.org/10.3390/cryst10010017 - 31 Dec 2019
In this report, we explore the use of supercritical CO2 (scCO2) in the synthesis of well-known metal-organic frameworks (MOFs) including Zn-MOF-74 and UiO-66, as well as on the preparation of [Cu24(OH-mBDC)24]n metal-organic polyhedra [...] Read more.
In this report, we explore the use of supercritical CO2 (scCO2) in the synthesis of well-known metal-organic frameworks (MOFs) including Zn-MOF-74 and UiO-66, as well as on the preparation of [Cu24(OH-mBDC)24]n metal-organic polyhedra (MOPs) and two new MOF structures {[Zn2(L1)(DPE)]∙4H2O}n and {[Zn3(L1)3(4,4′-azopy)]∙7.5H2O}n, where BTC = benzene-1,3,5-tricarboxylate, BDC = benzene-1,4-dicarboxylate, L1 = 4-carboxy-phenylene-methyleneamino-4-benzoate, DPE = 1,2-di(4-pyridyl)ethylene, 4.4′-azopy = 4,4′- azopyridine, and compare the results versus traditional solvothermal preparations at low temperatures (i.e., 40 °C). The objective of the work was to see if the same or different products would result from the scCO2 route versus the solvothermal method. We were interested to see which method produced the highest yield, the cleanest product and what types of morphology resulted. While there was no evidence of additional meso- or macroporosity in these MOFs/MOPs nor any significant improvements in product yields through the addition of scCO2 to these systems, it was shown that the use of scCO2 can have an effect on crystallinity, crystal size and morphology. Full article
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