Rifan Hardian

King Abdullah University of Science and Technology

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György Székely

King Abdullah University of Science and Technology

Mahmoud A. Abdulhamid

King Fahd University of Petroleum and Minerals

Udo Schwingenschlögl

King Abdullah University of Science and Technology

Dan Daniel

King Abdullah University of Science and Technology

Hakkim Vovusha

King Abdullah University of Science and Technology

Marie‐Vanessa Coulet

Aix-Marseille Université

Philseok Kim

Harvard University

Philip L. Llewellyn

Aix-Marseille Université

Binglin Chen

Xiamen University

Marcus Lin

Nanyang Technological University

Cooperative Institutions

King Abdullah University of Science and Technology

Philips (United Kingdom)

Helmholtz-Zentrum Hereon

Institute of Materials Research of the Slovak Academy of Sciences

University of Manchester

Rice University

Centre National de la Recherche Scientifique

Max Planck Society

Institute of Catalysis and Petrochemistry

Utrecht University

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2D conjugated microporous polymer membranes for organic solvent nanofiltration

Chemical Engineering Journal (2022)

Rifan Hardian Kristen A. Miller Levente Cseri Soumyabrata Roy Jessica Gayle

Nanofiltration

Surface Modification

Filtration (mathematics)

10.1016/j.cej.2022.139457

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Citations (27)

Engineering Solutions in Scale-Up and Tank Design for Metal Hydrides

Materials science forum (2018)

Giovanni Capurso Julian Jepsen José M. Bellosta von Colbe Claudio Pistidda Oliver Metz

A holistic approach is required for the development of materials and systems for hydrogen storage, embracing all the different steps involved in a successful advance of the technology. The several engineering solutions presented in this work try to address the technical challenges in synthesis and application of solid-state hydrogen storage materials, mainly metal hydride based compounds. Moving from the synthesis of samples in lab-scale to the production of industrial sized batches a novel process development is required, including safety approaches (for hazardous powders), and methods to prevent the contamination of sensitive chemicals. The reduction of overall costs has to be addressed as well, considering new sources for raw materials and more cost-efficient catalysts. The properties of the material itself influence the performances of the hydride in a pilot storage tank, but the characteristics of the system itself are crucial to investigate the reaction limiting steps and overcome hindrances. For this, critical experiments using test tanks are needed, learning how to avoid issues as material segregation or temperature gradients, and optimizing the design in the aspects of geometry, hull material, and test station facilities. The following step is a useful integration of the hydrogen storage system into real applications, with other components like fuel cells or hydrogen generators: these challenging scenarios provide insights to design new experiments and allow stimulating demonstrations.

Cost reduction

Limiting

10.4028/www.scientific.net/msf.941.2220

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Citations (4)

Carbon molecular sieve membranes with integrally skinned asymmetric structure for organic solvent nanofiltration (OSN) and organic solvent reverse osmosis (OSRO)

Applied Materials Today (2022)

Mahmoud A. Abdulhamid Rifan Hardian György Székely

Permeance

Nanofiltration

10.1016/j.apmt.2022.101541

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Citations (17)

Brine separation with polyamide and polyimine thin film composite nanofiltration membranes obtained from biobased monomers

Journal of Membrane Science (2024)

Muhammad Irshad Baig Rifan Hardian Fahad Ayesh Alharthi Christopher M. Fellows György Székely

Nanofiltration

Thin-film composite membrane

Brine

10.1016/j.memsci.2024.123324

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Citations (1)

Tunable 2D Conjugated Porous Organic Polymer Films for Precise Molecular Nanofiltration and Optoelectronics

Small (2024)

Kristen A. Miller Jessica Gayle Soumyabrata Roy Mohamed H. Abdellah Rifan Hardian

Abstract Structural design of 2D conjugated porous organic polymer films (2D CPOPs), by tuning linkage chemistries and pore sizes, provides great adaptability for various applications, including membrane separation. Here, four free‐standing 2D CPOP films of imine‐ or hydrazone‐linked polymers (ILP/HLP) in combination with benzene (B‐ILP/HLP) and triphenylbenzene (TPB‐ILP/HLP) aromatic cores are synthesized. The anisotropic disordered films, composed of polymeric layered structures, can be exfoliated into ultrathin 2D‐nanosheets with layer‐dependent electrical properties. The bulk CPOP films exhibit structure‐dependent optical properties, triboelectric nanogenerator output, and robust mechanical properties, rivaling previously reported 2D polymers and porous materials. The exfoliation energies of the 2D CPOPs and their mechanical behavior at the molecular level are investigated using density function theory (DFT) and molecular dynamics (MD) simulations, respectively. Exploiting the structural tunability, the comparative organic solvent nanofiltration (OSN) performance of six membranes having different pore sizes and linkages to yield valuable trends in molecular weight selectivity is investigated. Interestingly, the OSN performances follow the predicted transport modeling values based on theoretical pore size calculations, signifying the existence of permanent porosity in these materials. The membranes exhibit excellent stability in organic solvents at high pressures devoid of any structural deformations, revealing their potential in practical OSN applications.

Nanofiltration

Organic Electronics

10.1002/smll.202401269

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Citations (4)

Fluorinated 2D conjugated porous organic polymer films with modular structural topology for controlled molecular sieving

Journal of Materials Chemistry A (2024)

Jessica Gayle Rifan Hardian Galio Guo Xu Wang Muhammad M. Rahman

Controlling the nanofiltration performance of chemically stable 2D conjugated porous organic polymer membranes with tunable pore architectures via functionalization, pore size and pore topology (homopore and heteropore) modifications.

Nanofiltration

Surface Modification

10.1039/d4ta04342a

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Citations (3)

Bridging the interfacial gap in mixed-matrix membranes by nature-inspired design: precise molecular sieving with polymer-grafted metal–organic frameworks

Journal of Materials Chemistry A (2021)

Levente Cseri Rifan Hardian Shizuka Anan Hakkim Vovusha Udo Schwingenschlögl

Porous nanoparticles with interfacial adhesiveness boost the selectivity of separation membranes to achieve size-selective nanofiltration.

Nanofiltration

Matrix (chemical analysis)

10.1039/d1ta06205k

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Citations (58)

Nanodomain Control in Carbon Molecular Sieve Membranes via Nanomaterial Footprinting

Small Science (2024)

Rifan Hardian Mahmoud A. Abdulhamid György Székely

Carbon Molecular Sieves In article number 2300162, Gyorgy Szekely and co-workers report the fabrication of composite carbon molecular sieve membranes by incorporating sphere-shaped C60(OH) and ellipsoid-shaped C70(OH) fullerenols into an intrinsically microporous polyimide and characterize the chemical footprints of the pyrolyzed membranes and their chemical inhomogeneity at the nanodomain level. The membranes demonstrate excellent stability and pharmaceutical and dye separation performance in organic media.

Footprinting

Nanomaterials

Carbon fibers

10.1002/smsc.202470001

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Citations (0)

Composite nanofiltration membrane comprising one-dimensional erdite, two-dimensional reduced graphene oxide, and silkworm pupae binder

Materials Today Chemistry (2021)

K.R. Balaji Rifan Hardian V.G. Dileep Kumar Ranjani Viswanatha Surender Kumar

Nanofiltration

Thermogravimetric analysis

Permeance

Nanomaterials

Rhodamine B

10.1016/j.mtchem.2021.100602

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Citations (23)

Biobased Interpenetrating Polymer Network Membranes for Sustainable Molecular Sieving

ACS Nano (2024)

Joyce Cavalcante Diana Gulyas Oldal Maxim V. Peskov Aron K. Beke Rifan Hardian

There is an urgent need for sustainable alternatives to fossil-based polymer materials. Through nanodomain engineering, we developed, without using toxic cross-linking agents, interpenetrating biopolymer network membranes from natural compounds that have opposing polarity in water. Agarose and natural rubber latex were consecutively self-assembled and self-cross-linked to form patchlike nanodomains. Both nano-Fourier transform infrared (nano-FTIR) spectroscopy and computational methods revealed the biopolymers' molecular-level entanglement. The membranes exhibited excellent solvent resistance and offered tunable molecular sieving. We demonstrated control over separation performance in the range of 227–623 g mol–1 via two methodologies: adjusting the molecular composition of the membranes and activating them in water. A carcinogenic impurity at a concentration of 5 ppm, which corresponds to the threshold of toxicological concern, was successfully purged at a negligible 0.56% pharmaceutical loss. The biodegradable nature of the membranes enables an environmentally friendly end-of-life phase; therefore, the membranes have a sustainable lifecycle from cradle to grave.

Biopolymer

Environmentally Friendly

10.1021/acsnano.3c10827

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Citations (8)