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Nanomaterials
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Adsorption Properties of Organic Nanomaterials
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Adsorption Properties of Organic Nanomaterials

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Synthesis, Interfaces and Nanostructures".

Deadline for manuscript submissions: closed (31 July 2021) | Viewed by 6285

Special Issue Editor

Prof. Dr. Philippe Trens

E-Mail Website
Guest Editor
Ecole Nationale Supérieure de Chimie de Montpellier (ENSCM), Montpellier, France
Interests: Thermodynamics at interfaces; Textural properties of porous materials; Nanomaterials; Gas separation; MOFs

Special Issue Information

Dear Colleagues,

Organic nanomaterials have attracted much interest in the recent past with the discovery of MOFs, COFs, and organic-mineral oxide hybrid materials. Because of their intrinsic properties, surpassing those of more traditional materials (activated carbons or zeolites), these materials have been tested for many applications including sensing, drug delivery, catalysis and sorption. In this Special Issue of the journal, the sorption properties of organic nanomaterials will be highlighted. Sorption is an important property that deserves to be investigated as it is an environmental friendly process in different ways. First, sorption is usually spontaneous, which is already very favourable in terms of cost. Second, there are environmental issues which are required to be solved; sorption could be the appropriate answer.

Prof. Dr. Philippe Trens
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 submissions that pass pre-check are 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. Nanomaterials is an international peer-reviewed open access semimonthly 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 2900 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.

Keywords

  • Energy
  • Environment
  • Interfaces
  • Modeling
  • Separation
  • Sorption
  • Thermodynamics

Published Papers (2 papers)

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Research

22 pages, 2952 KiB  
Article
Influence of the Nanotube Morphology and Intercalated Species on the Sorption Properties of Hybrid Layered Vanadium Oxides: Application for Cesium Removal from Aqueous Streams
by Delhia Alby, Fabrice Salles, Jerzy Zajac and Clarence Charnay
Nanomaterials 2021, 11(9), 2349; https://0-doi-org.brum.beds.ac.uk/10.3390/nano11092349 - 10 Sep 2021
Viewed by 1738
Abstract
The present paper examines the impact that the nanotube morphology and organic or inorganic intercalated species may have on the cesium sorption by layered vanadium oxides prepared with the use of hexadecylamine as a structure-directing agent. The hybrid material represented by a chemical [...] Read more.
The present paper examines the impact that the nanotube morphology and organic or inorganic intercalated species may have on the cesium sorption by layered vanadium oxides prepared with the use of hexadecylamine as a structure-directing agent. The hybrid material represented by a chemical formula of (V2O5)(VO2)1.03(C16H36N)1.46(H2O)x was achieved through accelerated microwave-assisted synthesis carefully optimized to ensure the best compromise between the scroll-like morphology and the hydrophobic character. To enhance its dispersibility in water, this sample was subsequently modified by progressive replacement of the C16H36N+ units by NH4+ cations. The final materials represented a stacking of lamellar sheets with a worse scroll-like morphology. Both the optimization procedure and the template removal were monitored on the basis of scanning and transmission electronic microscopy, X-ray diffraction, infra-red spectroscopy, inductively coupled plasma-optical emission spectrometry, X-ray photoelectron spectroscopy, and elemental analysis, supplemented by adequate simulations methods providing the reference IR spectra and XRD patterns for comparison or the textural parameters of the samples. The comparison of the cesium sorption from either a 4:1 ethanol–water mixture or aqueous solutions pointed toward the solubility of intercalated cations in the bulk solution as the main factor limiting their displacement from the interlayer space by the oncoming cesium ones. The sample obtained after 70% exchange with NH4+ exhibited a maximum sorption capacity of 1.4 mmol g−1 from CsNO3 aqueous solutions and its retention efficiency remained significant from low-concentration Cs solutions in river or sea water. Full article
(This article belongs to the Special Issue Adsorption Properties of Organic Nanomaterials)
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19 pages, 6314 KiB  
Article
Efficient Removal of Chromium(VI) Anionic Species and Dye Anions from Water Using MOF-808 Materials Synthesized with the Assistance of Formic Acid
by Khoa D. Nguyen, Phuoc H. Ho, Phuong D. Vu, Thuyet L. D. Pham, Philippe Trens, Francesco Di Renzo, Nam T. S. Phan and Ha V. Le
Nanomaterials 2021, 11(6), 1398; https://0-doi-org.brum.beds.ac.uk/10.3390/nano11061398 - 25 May 2021
Cited by 16 | Viewed by 3946
Abstract
This study presents a simple approach to prepare MOF-808, an ultra-stable Zr-MOF constructed from 6-connected zirconium clusters and 1,3,5-benzene tricarboxylic acid, with tailored particle sizes. Varying the amount of formic acid as a modulator in the range of 200–500 equivalents results in MOF-808 [...] Read more.
This study presents a simple approach to prepare MOF-808, an ultra-stable Zr-MOF constructed from 6-connected zirconium clusters and 1,3,5-benzene tricarboxylic acid, with tailored particle sizes. Varying the amount of formic acid as a modulator in the range of 200–500 equivalents results in MOF-808 materials with a crystal size from 40 nm to approximately 1000 nm. Apart from the high specific surface area, a combination of a fraction of mesopore and plenty of acidic centers on the Zr-clusters induces a better interaction with the ionic pollutants such as K2Cr2O7 and anionic dyes. MOF-808 shows uptakes of up to 141.2, 642.0, and 731.0 mg/g for K2Cr2O7, sunset yellow, and quinoline yellow, respectively, in aqueous solutions at ambient conditions. The uptakes for the ionic dyes are significantly higher than those of other MOFs reported from the literature. Moreover, the adsorption capacity of MOF-808 remains stable after four cycles. Our results demonstrate that MOF-808 is a promising ideal platform for removing oxometallates and anionic dyes from water. Full article
(This article belongs to the Special Issue Adsorption Properties of Organic Nanomaterials)
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