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Membranes
Special Issues
2D Materials based Membranes
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2D Materials based Membranes

A special issue of Membranes (ISSN 2077-0375). This special issue belongs to the section "Inorganic Membranes".

Deadline for manuscript submissions: closed (31 January 2020) | Viewed by 6560

Special Issue Editors

Dr. Rakesh Joshi

E-Mail Website
Guest Editor
School of Materials Science and Engineering, University of New South Wales, Sydney, NSW 2052, Australia
Interests: graphene; 2D materials; membranes
Mr. Tobias Foller

E-Mail
Guest Editor
School of Materials Science and Engineering, University of New South Wales, Sydney, NSW 2052, Australia
Interests: graphene; 2D materials; membranes

Special Issue Information

Dear Colleagues,

The vast progress in the development of 2D materials did not leave research on membranes untouched. Due to their ultimate thinness, 2D materials are a highly promising candidate for new membrane technologies. Here, the family of 2D materials offers a broad range to fabricate membranes with the most diverse properties and possible applications. Graphene and graphene oxide membranes have a sharp cut-off for selectivity in the sub-nm range, making them promising candidates for water desalination. Membranes made of the transition metal dichalcogenide exhibit non-swelling behaviour and their catalytic activity can be harvested in manifold ways. The young group of 2D materials including zeolite, metal–organic framework, or MXenes are promising candidates for gas separation. Moreover, the 2D nature of all these materials can lead to new insights into molecular transports in highly confined environments, accelerating the progress in nanofluid research.

The Special Issue 2D Materials based Membranes calls for papers on membrane fabrication procedures, membranes characteristics, and their application in separation and purification.

Dr. Rakesh Joshi
Mr. Tobias Foller
Guest Editors

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. Membranes 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 2200 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

  • 2D materials
  • Nanofluidic in 2D materials
  • Membrane fabrication
  • MXenes for separation and purification
  • Graphene
  • TMD-based membranes
  • MOF-based membranes
  • Gas separation
  • Water purification
  • Adsorption

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (1 paper)

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20 pages, 4620 KiB  
Article
Polyvinylamine Membranes Containing Graphene-Based Nanofillers for Carbon Capture Applications
by Riccardo Casadei, Davide Venturi, Marco Giacinti Baschetti, Loris Giorgini, Emanuele Maccaferri and Simone Ligi
Membranes 2019, 9(9), 119; https://doi.org/10.3390/membranes9090119 - 12 Sep 2019
Cited by 21 | Viewed by 6039
Abstract
In the present study, the separation performance of new self-standing polyvinylamine (PVAm) membranes loaded with few-layer graphene (G) and graphene oxide (GO) was evaluated, in view of their use in carbon capture applications. PVAm, provided by BASF as commercial product named LupaminTM [...] Read more.
In the present study, the separation performance of new self-standing polyvinylamine (PVAm) membranes loaded with few-layer graphene (G) and graphene oxide (GO) was evaluated, in view of their use in carbon capture applications. PVAm, provided by BASF as commercial product named LupaminTM, was purified obtaining PVAm films with two degrees of purification: Low Grade (PVAm-LG) and High Grade (PVAm-HG). These two-grade purified PVAm were loaded with 3 wt% of graphene and graphene oxide to improve mechanical stability: indeed, pristine tested materials proved to be brittle when dry, while highly susceptible to swelling in humid conditions. Purification performances were assessed through FTIR-ATR spectroscopy, DSC and TGA analysis, which were carried out to characterize the pristine polymer and its nanocomposites. In addition, the membranes′ fracture surfaces were observed through SEM analysis to evaluate the degree of dispersion. Water sorption and gas permeation tests were performed at 35 °C at different relative humidity (RH), ranging from 50% to 95%. Overall, composite membranes showed improved mechanical stability at high humidity, and higher glass transition temperature (Tg) with respect to neat PVAm. Ideal CO2/N2 selectivity up to 80 was measured, paired with a CO2 permeability of 70 Barrer. The membranes’ increased mechanical stability against swelling, even at high RH, without the need of any crosslinking, represents an interesting result in view of possible further development of new types of facilitated transport composite membranes. Full article
(This article belongs to the Special Issue 2D Materials based Membranes)
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