Details
| Original language | English |
|---|---|
| Article number | 1906797 |
| Journal | Advanced functional materials |
| Volume | 30 |
| Issue number | 4 |
| Early online date | 4 Nov 2019 |
| Publication status | Published - 24 Jan 2020 |
| Externally published | Yes |
Abstract
Synthetic membranes with a high selectivity for demanding molecular separations and high permeance have a large potential for the reduction of energy consumption in separation processes. Herein, for the first time, the fabrication of an ultrathin layered macrocycle membrane for molecular separation in organic solvent nanofiltration using per-6-amino-β-cyclodextrin as a monomer for membrane manufacturing by interfacial polymerization is reported. Compared to a regular nonfunctionalized cyclodextrin, a higher reactivity is observed, enabling a very fast membrane formation under mild conditions. The formed membrane is composed of a layered structure of polymerized cyclodextrin, which shows high stability in different organic solvents. The membrane exhibits excellent separation performance for organic solvent nanofiltration, both with nonpolar and polar solvents. Most importantly, this new membrane type can discriminate between molecules with nearly identical molecular weights but different shapes. The unmatched high permeance and shape selectivity of the membranes can be attributed to the ultralow thickness, controlled microporosity, as well as the layered macrocycle structure, which makes the membranes promising for high-performance molecular separation in the chemical and biochemistry industry.
Keywords
- 2D structure, cyclodextrin films, organic solvent nanofiltration, shape selectivity
ASJC Scopus subject areas
- Chemistry(all)
- General Chemistry
- Materials Science(all)
- General Materials Science
- Physics and Astronomy(all)
- Condensed Matter Physics
Sustainable Development Goals
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In: Advanced functional materials, Vol. 30, No. 4, 1906797, 24.01.2020.
Research output: Contribution to journal › Article › Research › peer review
}
TY - JOUR
T1 - Ultrathin 2D-Layered Cyclodextrin Membranes for High- Performance Organic Solvent Nanofiltration
AU - Huang, Tiefan
AU - Puspasari, Tiara
AU - Nunes, Suzana P.
AU - Peinemann, Klaus Viktor
N1 - Funding Information: The authors acknowledge the financial support from KAUST.
PY - 2020/1/24
Y1 - 2020/1/24
N2 - Synthetic membranes with a high selectivity for demanding molecular separations and high permeance have a large potential for the reduction of energy consumption in separation processes. Herein, for the first time, the fabrication of an ultrathin layered macrocycle membrane for molecular separation in organic solvent nanofiltration using per-6-amino-β-cyclodextrin as a monomer for membrane manufacturing by interfacial polymerization is reported. Compared to a regular nonfunctionalized cyclodextrin, a higher reactivity is observed, enabling a very fast membrane formation under mild conditions. The formed membrane is composed of a layered structure of polymerized cyclodextrin, which shows high stability in different organic solvents. The membrane exhibits excellent separation performance for organic solvent nanofiltration, both with nonpolar and polar solvents. Most importantly, this new membrane type can discriminate between molecules with nearly identical molecular weights but different shapes. The unmatched high permeance and shape selectivity of the membranes can be attributed to the ultralow thickness, controlled microporosity, as well as the layered macrocycle structure, which makes the membranes promising for high-performance molecular separation in the chemical and biochemistry industry.
AB - Synthetic membranes with a high selectivity for demanding molecular separations and high permeance have a large potential for the reduction of energy consumption in separation processes. Herein, for the first time, the fabrication of an ultrathin layered macrocycle membrane for molecular separation in organic solvent nanofiltration using per-6-amino-β-cyclodextrin as a monomer for membrane manufacturing by interfacial polymerization is reported. Compared to a regular nonfunctionalized cyclodextrin, a higher reactivity is observed, enabling a very fast membrane formation under mild conditions. The formed membrane is composed of a layered structure of polymerized cyclodextrin, which shows high stability in different organic solvents. The membrane exhibits excellent separation performance for organic solvent nanofiltration, both with nonpolar and polar solvents. Most importantly, this new membrane type can discriminate between molecules with nearly identical molecular weights but different shapes. The unmatched high permeance and shape selectivity of the membranes can be attributed to the ultralow thickness, controlled microporosity, as well as the layered macrocycle structure, which makes the membranes promising for high-performance molecular separation in the chemical and biochemistry industry.
KW - 2D structure
KW - cyclodextrin films
KW - organic solvent nanofiltration
KW - shape selectivity
UR - http://www.scopus.com/inward/record.url?scp=85074799714&partnerID=8YFLogxK
U2 - 10.1002/adfm.201906797
DO - 10.1002/adfm.201906797
M3 - Article
AN - SCOPUS:85074799714
VL - 30
JO - Advanced functional materials
JF - Advanced functional materials
SN - 1616-301X
IS - 4
M1 - 1906797
ER -