Themed issue on green materials and surfaces
Guest editors Lei Jiang, Markus Antonietti and Nina Fechler introduce this Journal of Materials Chemistry A themed issue on green materials and surfaces.
Mechanochemical synthesis of porous organic materials
In this mini-review, we wish to summarise the recent advances on the design of polymers of intrinsic microporosity, covalent–organic frameworks, covalent triazine-based frameworks, ordered mesoporous polymers, and ordered mesoporous carbons via mechanochemical synthesis.
Nanocellulose-based foams and aerogels: processing, properties, and applications
This review summarizes the main processing routes and significant properties of nanocellulose-based foams and aerogels.
Morphology transformation of self-assembled organic nanomaterials in aqueous solution induced by stimuli-triggered chemical structure changes
Morphology transformation of supramolecular assemblies is implemented under “green” triggers, namely pH, light, and CO2, resulting in novel organic nanomaterials with well-defined structures and functions.
Oil/water separation techniques: a review of recent progresses and future directions
The recent progress of oil/water separation technologies using various materials that possess surface superwetting properties is summarized.
Cellulose nanofibril nanopapers and bioinspired nanocomposites: a review to understand the mechanical property space
This review discusses the correlation between structure formation, nanostructural details and mechanical properties in biobased high performance materials formed from renewable cellulose nanofibrils.
Selective functionalization of laser printout patterns on cellulose paper sheets coated with surface-specific peptides
Laser printed patterns on paper are coated with surface-specific peptides and modified via photo-induced ligation to yield functional surfaces.
A semiconducting gyroidal metal-sulfur framework for chemiresistive sensing
Metal-oxo bridges integrate dithiolene units into a crystalline net: the oxo hinge not only circumvents intractable metal-sulfur bonds that often frustrate crystallization, but also proves effective in promoting electronic interaction throughout the resultant porous gyroidal net.
Pine-branch-like TiO2 nanofibrous membrane for high efficiency strong corrosive emulsion separation
A bioinspired pine-branch-like TiO2 membrane for high efficiency strong corrosive acidic, basic and salt emulsion separation.
A CaCO3/nanocellulose-based bioinspired nacre-like material
The controlled wettability of liquid calcium carbonate precursors on nanocellulose yields a nacre-like material with plasticity outperforming a biological example.
Photosensitivity of g-C3N4/S-doped carbon composites: study of surface stability upon exposure to CO2 and/or water in ambient light
The photoactivity of g-C3N4/S-doped carbon materials led to a change in their surface chemistry and porosity upon exposure to CO2/water in visible light.
Ni12P5 nanoparticles embedded into porous g-C3N4 nanosheets as a noble-metal-free hetero-structure photocatalyst for efficient H2 production under visible light
Colloidally synthesized Ni12P5 nanoparticles were embedded into g-C3N4 nanosheets via a solution-phase approach. The Ni12P5/g-C3N4 photocatalysts manifested significantly improved noble-metal-free H2 evolution.
Mechanochemical design of hemoglobin-functionalised magnetic nanomaterials for energy storage devices
A bionanomaterial based on horse hemoglobin and cobalt oxide magnetic nanoparticles was synthesized using a mechanochemical protocol and further employed in the design of an energy storage device.
Tailoring the framework composition of carbon nitride to improve the catalytic efficiency of the stabilised palladium atoms
The C/N ratio of the carbon nitride lattice is tailored by doping with carbon to assess the impact on the stabilisation of palladium atoms and their catalytic efficiency in the selective hydrogenation of 2-methyl-3-butyn-2-ol.
Microwave-assisted deep eutectic-solvothermal preparation of iron oxide nanoparticles for photoelectrochemical solar water splitting
Iron oxide nanoparticles, prepared using a new, efficient deep eutectic-solvothermal microwave methodology, were cast as photoanodes, showing competitive photocurrent performance.
Synergistically toughening nacre-like graphene nanocomposites via gel-film transformation
The gold standard of natural nacre provides the inspiration for assembling bioinspired nanocomposites.
Green one-pot synthesis and processing of polyimide–silica hybrid materials
A green and scalable one-pot hydrothermal synthesis generates polyimide/silica hybrid materials, which can be processed by green, solvent-free sintering.
Breath figure lithography for the construction of a hierarchical structure in sponges and their applications to oil/water separation
Using breath figure lithography, we demonstrate the ability to coat commercial polyurethane sponges with hierarchical structures for quick oil/water separation.
Hierarchically porous carbons from an emulsion-templated, urea-based deep eutectic
A hierarchically porous carbon monolith (97% porosity) was generated through the carbonization of an emulsion-templated monolith formed from a chain extended, urea-based, deep-eutectic polymer. The highly interconnected micrometer-scale porous structure had a high specific surface area (812 m2 g−1, largely microporous) and exhibited promising results for aqueous solution sorption applications.
Paper-based membranes on silicone floaters for efficient and fast solar-driven interfacial evaporation under one sun
A paper-based reduced graphene oxide composite membrane is integrated with a floating silicone-based thermal insulation layer for high-efficiency, fast-response solar-driven interfacial evaporation under one-sun illumination.
The bakery of high-end sorption carbons: sugar–urea doughs as processable precursors for functional carbons
Porous nitrogen-doped carbon monoliths from processable doughs of liquid sugar-urea mixtures with salt and cellulose as porogen and filler, respectively.
3D Au-decorated BiMoO6 nanosheet/TiO2 nanotube array heterostructure with enhanced UV and visible-light photocatalytic activity
To develop an efficient visible-light-driven photocatalyst electrode for environmental remediation, a novel ternary nanocomposite of an Au-decorated Bi2MoO6 nanosheet/TiO2 nanotube array (NTA) heterojunction was successfully fabricated for the first time via a facile solvothermal method combined with mussel-inspired functional modification of electrochemical polymerization of dopamine.
Condensation-assisted micro-patterning of low-surface-tension liquids on reactive oil-repellent surfaces
In this work, we reveal a reactive oil-repellent surface as a new platform for surface micro-patterning of low-surface-tension liquid precursors.
Alterations in the surface features of S-doped carbon and g-C3N4 photocatalysts in the presence of CO2 and water upon visible light exposure
The surfaces of g-C3N and S-doped carbons upon exposure to water and/or CO2 under visible light are oxidized as a result of photoactivity and chemical reactivity.
Sustainable metal-free carbogels as oxygen reduction electrocatalysts
A simple synthesis approach is presented to produce sustainable electrocatalysts with tuneable surface area, porosity, morphology and functionality.
Sustainable and surfactant-free high-throughput synthesis of highly dispersible zirconia nanocrystals
A novel sol–gel route for ZrO2 nanoparticles based on microwave heating shows an improved energy and waste balance.
Solvent-free and photocurable polyimide inks for 3D printing
Solvent-free photosensitive high-performance polyimide inks were developed for DLP 3D printing to build architectures with excellent thermal resistance and mechanical performance.
Formic acid dehydrogenation over Pd NPs supported on amine-functionalized SBA-15 catalysts: structure–activity relationships
A series of Pd/SBA-15-amine materials (where “Amine” is primary amine, secondary amine and tertiary amine) containing Pd nanoparticles are synthesized and their catalytic properties for formic acid dehydrogenation are investigated.
Design of a technical Mg–Al mixed oxide catalyst for the continuous manufacture of glycerol carbonate
A Mg–Al oxide obtained by thermal activation of a hydrotalcite and extruded with bentonite enables the continuous manufacture of glycerol carbonate from glycerol and urea owing to its strong Lewis basicity and resistance to leaching.
Printing assembly and structural regulation of graphene towards three-dimensional flexible micro-supercapacitors
Precise patterning and controllable assembly of graphene into 3D architectures for flexible micro-supercapacitors was achieved by a printing assembly approach.
Nanofiltration membranes with cellulose nanocrystals as an interlayer for unprecedented performance
Nanofiltration membranes are of great interest in brackish water desalination and drinking water purification.
Functional porous carbon nanospheres from sustainable precursors for high performance supercapacitors
Functional porous carbon nanospheres synthesized from cheap and sustainable precursors exhibited excellent properties as electrodes for supercapacitors.
Preparation of nanoporous graphene oxide by nanocrystal-masked etching: toward a nacre-mimetic metal–organic framework molecular sieving membrane
A nacre-mimetic ZIF-8 molecular sieving membrane with well-aligned mesoporous GO was developed via nanocrystal-masked etching and bioinspired growth.
Ni/nitrogen-doped graphene nanotubes acted as a valuable tailor for remarkably enhanced hydrogen evolution performance of platinum-based catalysts
The electronic interactions between Pt and Ni@NGNTs tuned the electronic properties and greatly boosted catalytic performances of the anchored Pt NPs.
A highly stretchable and robust non-fluorinated superhydrophobic surface
A stretchable, rub-proof superhydrophobic surface was realized by a chemically bonded silicone elastomer network covering the surface of silica microparticles to form enhanced micro-scale surface roughness.
Growing a hydrophilic nanoporous shell on a hydrophobic catalyst interface for aqueous reactions with high reaction efficiency and in situ catalyst recycling
We developed a strategy to construct a catalyst with a hydrophobic catalytic interface covered by a hydrophilic, nanoporous shell, which displays high catalytic efficiency and recyclability in aqueous reactions.
Aminopolymer functionalization of boron nitride nanosheets for highly efficient capture of carbon dioxide
BN nanosheets were functionalized with polyethyleneimine (PEI) which is rich in amine density, through simple impregnation to improve their performance for CO2 capture.
Cubic mesoporous carbon nitride polymers with large cage-type pores for visible light photocatalysis
Cubic mesoporous graphitic carbon nitride polymers with large cage-type pores were synthesized and exhibited superior photocatalytic activity towards hydrogen evolution.
Redox-active poly(ionic liquid)s as active materials for energy storage applications
The incorporation of redox-active counter anions (anthraquinone and nitroxide groups) into poly(ionic liquid)s broadens the scope of applications to different energy storage technologies such as lithium, metal-air or redox-flow batteries.
Energy efficient synthesis of highly ordered mesoporous carbon nitrides with uniform rods and their superior CO2 adsorption capacity
An energy efficient route for the synthesis of mesoporous carbon nitrides with highly ordered mesopores and a rod shaped morphology from uncalcined mesoporous SBA-15 is introduced.
Rational design of a bi-layered reduced graphene oxide film on polystyrene foam for solar-driven interfacial water evaporation
A bi-layered photothermal material based on reduced graphene oxide film with nonporous polystyrene foam as substrate for solar-driven interfacial water evaporation.