Advanced technologies for the fabrication of MOF thin films
In this Minireview, we discuss several appealing approaches that have been developed in the last few years for the fabrication of MOF thin films, highlighting their assets and the challenges still faced.
Evolution of self-healing elastomers, from extrinsic to combined intrinsic mechanisms: a review
We propose a timeline classifying self-healing polymers in generations based on the healing mechanism, and correlated with historical development.
Twenty-five years of polymersomes: lost in translation?
In this minireview, we discuss the progress of polymersome formulations towards clinical translation and highlight key opportunities and challenges.
Towards a classification strategy for complex nanostructures
The range of possible nanostructures is so large and continuously growing, that collating and unifying the knowledge connected to them, including their biological activity, is a major challenge.
Technology progress on quantum dot light-emitting diodes for next-generation displays
This article focuses on state-of-the-art technologies used in the research on materials, devices and processes to achieve high-performance QD-LEDs.
Materials science based on synthetic polysaccharides
Automated Glycan Assembly produces well-defined oligosaccharides for detailed structural characterization. These glycans can assemble into supramolecular materials with different morphologies.
Physical magnification of objects
For hundreds of years, scientists have magnified images of objects to reveal their detailed composition and structure. Now, scientists are beginning to physically magnify objects themselves.
Artificial intelligence and machine learning in design of mechanical materials
This review revisits the state of the art of research efforts on the design of mechanical materials using machine learning.
Highly selective gas sensing enabled by filters
Sorption, size-selective & catalytic film or particle-bed filters dramatically enhance gas sensor selectivity. We critically review 300+ articles and tutorially give guidelines for systematic filter design in air quality, health & food applications.
Dual emission in purely organic materials for optoelectronic applications
In this review, types and mechanisms of dual emission, as well as recent new insights for the design and applications of efficient novel dual emissive organic materials are presented.
Recombination junctions for efficient monolithic perovskite-based tandem solar cells: physical principles, properties, processing and prospects
Here, we review the physics and the technology of the recombination junction in perovskite-based tandem solar cells, with a summary of the most successful works.
Defects in complex oxide thin films for electronics and energy applications: challenges and opportunities
This review focuses on recent progress in defect-engineered novel functionalities of complex oxide thin films for electronics and energy applications, and current challenges and perspectives.
Advances in design engineering and merits of electron transporting layers in perovskite solar cells
The electron transport layer plays an essential part for high-performing perovskite solar cells, on which successful extraction of charges from light harvester and the transfer to the electrode are critically dependent.
Lignin-based smart materials: a roadmap to processing and synthesis for current and future applications
Lignin-based smart materials are emerging into advanced material applications as stimuli-responsive actuators, sensors, controlled release systems, and more.
The damaging effects of the acidity in PEDOT:PSS on semiconductor device performance and solutions based on non-acidic alternatives
Poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate), PEDOT:PSS, has been widely used as an effective hole transporting material in many different organic semiconductor devices for well over a decade.
Erbium complexes as pioneers for implementing linear light-upconversion in molecules
Trivalent erbium, Er3+, with its 4f11 electronic configuration, was the first lanthanide cation for which linear upconversion could be induced in a molecular complex. The reasons for this success and its perspectives are discussed in this review.
About the amplification factors in organic bioelectronic sensors
A systematic comparison between electrochemical and organic bioelectronic sensors reveals a unified rational description for a transistor amplified detection.
Graphitic carbon nitride and polymers: a mutual combination for advanced properties
The present review highlights the combination of graphitic carbon nitride and polymers for materials with outstanding properties.
It's a trap! On the nature of localised states and charge trapping in lead halide perovskites
The recent surge of scientific interest for lead halide perovskite semiconductors and optoelectronic devices has seen a mix of materials science sub-fields converge on the same “magical” crystal structure.
Designing conjugated porous polymers for visible light-driven photocatalytic chemical transformations
A review on the recent developments in controlling the structural, photophysical and electronic properties of conjugated porous polymer (CPP) photocatalysts is presented.
Advances in designs and mechanisms of semiconducting metal oxide nanostructures for high-precision gas sensors operated at room temperature
A comprehensive review on designs and mechanisms of semiconducting metal oxides with various nanostructures for room-temperature gas sensor applications.
The progress and prospects of non-fullerene acceptors in ternary blend organic solar cells
This review summarizes the advantages of non-fullerene acceptors and their applications in ternary blend organic solar cells.
Dislocations are mobile at low temperatures in surprisingly many ceramics but sintering minimizes their densities. Enabling local plasticity by engineering a high dislocation density is a way to combat short cracks and toughen ceramics.
The pursuit of stability in halide perovskites: the monovalent cation and the key for surface and bulk self-healing
The fine equilibrium between photodamage and self-healing determines the defect density in halide perovskites. Here we analyze the chemistry of the processes on the surface and in the bulk of APbBr3 single crystals. (A = MA, FA, Cs).
Metal- and halide-free, solid-state polymeric water vapor sorbents for efficient water-sorption-driven cooling and atmospheric water harvesting
Metal- and halide-free, solid-state polymeric water vapor sorbents are developed with improved water sorption capacity, reduced corrosivity, and solid state, leading to efficient water-sorption-driven cooling and atmospheric water harvesting.
Negative X-ray expansion in cadmium cyanide
X-ray radiation induced unit-cell contraction and phase transition selection in the negative thermal expansion material cadmium cyanide.
Cancer-microenvironment triggered self-assembling therapy with molecular blocks
Molecular blocks (4-MB) were designed to circulate as a single molecule or as a few molecules in blood vessels and self-assemble in response to a tumor specific conditions, as a cancer therapeutic agent.
Ultratough and ultrastrong graphene oxide hybrid films via a polycationitrile approach
The newly established polycationitrile chemistry was used as a powerful molecular crosslinking strategy to engineer ultratough and ultrastrong GO/polymer hybrid films.
Induced pluripotent stem cell-derived vascular networks to screen nano–bio interactions
The vascular bioactivity/safety of nanomaterials is typically evaluated by animal testing, which is of low throughput and does not account for biological differences between animals and humans such as ageing, metabolism and disease profiles.
Patterning and control of the nanostructure in plasma thin films with acoustic waves: mechanical vs. electrical polarization effects
Plasma thin film deposition assisted with acoustic waves renders a patterned structure due to sheath ions local bombardment effects.
A highly selective electron affinity facilitated H2S sensor: the marriage of tris(keto-hydrazone) and an organic field-effect transistor
The proposed H2S gas sensor is a novel heterojunction combination that can readily absorb toxic gases, changing the channel resistance of the device. The OFET device is a highly stable and selective tool that can help in taking preventive measures.
Direct-writing microporous polymer architectures – print, capture and release
Direct-writing of droplets onto fluid surfaces by inkjet printing to dial-in a required pattern, structure and function into a polymer film.
Gallium chiral nanoshaping for circular polarization handling
Core/shell nanohelices with VIS-CD are grown using FIBID, with the Ga+ source shaping the metallic core and the gas precursor the dielectric shell
All-graphene-based open fluidics for pumpless, small-scale fluid transport via laser-controlled wettability patterning
We present an all-graphene based open microfluidic manufacturing technique by manipulating the surface wettability of spin-coated graphene ink films via laser-controlled patterning. The approach is rapid, flexible, and opens diverse applications in fluid transport.
Great chiral fluorescence from the optical duality of silver nanostructures enabled by 3D laser printing
A 3D laser printing technique for realizing unprecedented stereo-chiral-luminescent silver nanostructures was developed to achieve a record-high fluorescent anisotropic factor.
Directional ultrafast charge transfer in a WSe2/MoSe2 heterostructure selectively probed by time-resolved SHG imaging microscopy
Directional interlayer charge transfer in TMD heterostructure probed by time- and polarization-resolved second-harmonic imaging microscopy.
Bandgap determination from individual orthorhombic thin cesium lead bromide nanosheets by electron energy-loss spectroscopy
Bandgap from individual orthorhombic thin CsPbBr3 nanosheets, measured with electron energy-loss spectroscopy as a function of thickness.
Chirality enhancement in macro-chiral liquid crystal nanoparticles
Chirality amplification in mesomorphic gold nanoparticles (NPs) functionalized with chiral ligands and liquid crystal (LC) groups in LC matrices is detected. Attaching LC groups to NPs leads to a significant increase of the helical twisting power.
Charge transfer excitons in a donor–acceptor amphidynamic crystal: the role of dipole orientational order
Large amplitude motions in molecular solids are responsible for anomalous electrical characteristics in amphidynamic crystals. Here we explore the implications for charge transfer excitons photophysics.
Tough sheets of nanowires produced floating in the gas phase
SiNWs are continuously grown in the gas phase and directly collected as tough, macroscopic sheets that are flexible and free-standing.
Dynamic intermolecular interactions through hydrogen bonding of water promote heat conduction in hydrogels
Dynamic intermolecular forces through hydrogen bonding between water and polymer chains are shown to enhance thermal transport in soft materials.
Nanostructured amorphous gallium phosphide on silica for nonlinear and ultrafast nanophotonics
A system of amorphous gallium phosphide nanopatches is shown to be a flexible, cheap and efficient platform for ultrafast and nonlinear nanophotonics.
Polarization-dependent asymmetric transmission using a bifacial metasurface
Using linearly birefringent structure and induced transmission, asymmetric transmission with arbitrary polarization pair has been realized through metasurfaces, with impartment of two different phases into transmission and reflection space.
The biomolecule corona of lipid nanoparticles contains circulating cell-free DNA
The biomolecule corona spontaneously adsorbed onto lipid-based nanoparticles (NPs), upon incubation with human plasma, contains circulating cell-free DNA (cfDNA).
Giant magnetoelectric effect in perpendicularly magnetized Pt/Co/Ta ultrathin films on a ferroelectric substrate
We demonstrate a giant magnetoelectric effect in perpendicularly magnetized Pt/Co/Ta ultrathin films on a ferroelectric substrate.
Monitoring supported lipid bilayers with n-type organic electrochemical transistors
An n-type, accumulation mode, microscale organic electrochemical transistor monitors the activity of a pore-forming protein integrated into a lipid bilayer.
Self-stratification of amphiphilic Janus particles at coating surfaces
Durable hydrophobic coatings are created by adding amphiphilic Janus particles to binder polymers through the unique self-stratification behaviours, which offer a novel and cost-effective solution to challenges in waterborne emulsion coatings.
Cost-effective materials discovery: Bayesian optimization across multiple information sources
Multi-information source Bayesian optimization and how it can be used to capture relevant information from cheap approximations to accelerate research in the materials sciences.
Local manipulation of metamagnetism by strain nanopatterning
Our work demonstrates the local enhancement of antiferromagnetic phase stability in FeRh films by strain nanopatterning.
Graphene oxide nanosheets modulate spinal glutamatergic transmission and modify locomotor behaviour in an in vivo zebrafish model
The article reports that graphene oxide nanosheets (s-GO), by interfering with synapses, have the potential to be used as behavioural modulators.
Finally, inkjet-printed metal halide perovskite LEDs – utilizing seed crystal templating of salty PEDOT:PSS
Light-emitting diodes with an inkjet-printed active layer based on MAPbBr3 perovskite are produced for the first time.
Biogenic fluorescent protein–silk fibroin phosphors for high performing light-emitting diodes
This work presents a new family of bio-hybrid light-emitting diodes (Bio-HLEDs) using all-bio color down-converting coatings that combine silk fibroin (SF) as a packaging matrix and fluorescent proteins (FPs) as emitters.
Temperature dependence of the spectral line-width of charge-transfer state emission in organic solar cells; static vs. dynamic disorder
The origin of line-widths of electro-luminescent charge-transfer states in photovoltaic blends is evaluated and discussed in terms of vibrational theory.
Ice recrystallisation inhibiting polymer nano-objects via saline-tolerant polymerisation-induced self-assembly
Saline-tolerant PISA synthesis is developed, to generate poly(vinyl alcohol) based nanoparticles, which are potent ice recrystallisation inhibitors.
Optical microresonator arrays of fluorescence-switchable diarylethenes with unreplicable spectral fingerprints
Photochromic microresonator arrays with whispering gallery mode fingerprints are successfully prepared, which function as high-security optical authentication microdevices.
Strong size selectivity in the self-assembly of rounded nanocubes into 3D mesocrystals
Depth-resolved structural analysis reveals strong size selectivity of self-assembled iron oxide nanoparticles.
Molecular-scale thermoelectricity: a worst-case scenario
Molecules with silent orbitals deliver high thermoelectric performance.
Reconfigurable all-dielectric Fano metasurfaces for strong full-space intensity modulation of visible light
We demonstrated strong full-space modulation of visible intensities based on Fano resonances in all-dielectric VO2 metasurface gratings.
Key role of the meniscus shape in crystallization of organic semiconductors during meniscus-guided coating
The crystallization and film formation of organic semiconductors are controlled by the meniscus shape during meniscus guided coating for field-effect transistors.
Superfast and controllable microfluidic inking of anti-inflammatory melanin-like nanoparticles inspired by cephalopods
We report a microfluidic approach for superfast melanin-like nanoparticle preparation with tunable size and monodispersity.
Fast chemical force microscopy demonstrates that glycopeptidolipids define nanodomains of varying hydrophobicity on mycobacteria
We use chemical force microscopy with high spatiotemporal resolution to study the nanoscale distribution of hydrophobicity on living mycobacterial cells.
A nature-inspired protective coating on soft/wet biomaterials for SEM by aerobic oxidation of polyphenols
We introduce a nature-inspired coating for SEM imaging of hydrated soft biomaterials by aerobic oxidation of polyphenols.
Preferred orientations of organic cations at lead-halide perovskite interfaces revealed using vibrational sum-frequency spectroscopy
Using vibrational sum frequency generation (VSFG) spectroscopy, we investigate the behaviour of organic cations at the surface of a series of multilayer lead halide perovskite systems, finding that the behaviour of the organic cations changes dramatically close to the interface.
Metal assisted chemical etching of silicon in the gas phase: a nanofabrication platform for X-ray optics
Gas-MacEtch of Si with a Pt catalyst allows vertical etching nanostructures with an extreme aspect ratio up to 10 000 : 1.
3D texturing of the air–water interface by biomimetic self-assembly
The air–water interface can be textured according to the same self-assembly packing criteria that determine the wealth of 3D structures found in micellar and other amphiphilic meso-phases.
Beyond graphene oxide: laser engineering functionalized graphene for flexible electronics
We show a novel concept for the design of graphene-based materials via diazonium-mediated functionalization and subsequent laser treatment for flexible electronics.
Understanding and designing one-dimensional assemblies of ligand-protected metal nanoclusters
This study demonstrates that controlling intra-cluster ligand interactions is important to obtain an assembled structure with the desired connecting structures.
Interface limited hole extraction from methylammonium lead iodide films
A new method is proposed to determine charge diffusion coefficient and transfer velocity to extraction layers. Hole diffusion coefficient in MAPbI3 is constant between 1016 – 1017 cm−3, a hallmark of band transport but overall extraction is interface limited.
A versatile biomaterial ink platform for the melt electrowriting of chemically-crosslinked hydrogels
Click-crosslinked microperiodic hydrogels scaffolds from polymer melts: soft but surprisingly robust.
A simple yet effective AIE-based fluorescent nano-thermometer for temperature mapping in living cells using fluorescence lifetime imaging microscopy
A novel nano-thermometer composed of butter and AIE molecules can be used for intracellular temperature mapping using fluorescence lifetime imaging.