Themed collection Recent Open Access Articles
Post-polymerisation approaches for the rapid modification of conjugated polymer properties
We summarise chemical approaches to modify the properties of conjugated polymers by post-polymerisation functionalisation directly on the backbone.
Two-photon absorption in halide perovskites and their applications
This review will help readers to have a comprehensive and in-depth understanding of the research field of two-photon absorption of halide perovskites from microscopic mechanisms to applications.
Addressing a future pandemic: how can non-biological complex drugs prepare us for antimicrobial resistance threats?
Non-biological complex drugs (NBCDs) are an emerging class of therapeutics that show multi-mechanistic antimicrobial activity and hold great promise as next generation antimicrobial agents.
Practical considerations in the design and use of porous liquids
The possibility of creating well-controlled empty space within liquids is conceptually intriguing, and from an application perspective, full of potential.
Three interfaces of the dental implant system and their clinical effects on hard and soft tissues
Comprehension of bone–implant, gingiva–abutment and implant–abutment interfaces is necessary in material development. Mechanical complications of the implant–abutment interface provoke biologic complications of the other two interfaces.
Chemically modified carbon nanostructures and 2D nanomaterials for fabrics performing under operational tension and extreme environmental conditions
Textile fabric fibers meet functionalized carbon nanostructures and 2D nanomaterials, enabling the fabrication of novel fabrics with advanced qualities against operational limitations and extreme environmental conditions.
Non-flammable liquid electrolytes for safe batteries
This review summarizes eight different strategies to formulate non-flammable liquid electrolytes to improve safety of alkali-metal-ion batteries such as lithium-ion, sodium-ion and potassium-ion batteries.
Heparanized chitosans: towards the third generation of chitinous biomaterials
Sulfation of chitosan makes this polymer a closer mimic of heparins and heparan sulfates, giving rise to the so called heparanized chitosan, that exert their biological activities through their capacity to interact with a range of biological targets.
Ultra-stable self-standing Au nanowires/TiO2 nanoporous membrane system for high-performance photoelectrochemical water splitting cells
Here we introduce for the first time a synthesis method of a core–shell photoanode composed of nanostructured self-standing titania nanotubes filled with Au nanowires. Photoanode shows high photon to current efficiency of 35% and incredible stability.
Grain engineering for improved charge carrier transport in two-dimensional lead-free perovskite field-effect transistors
Controlling crystal growth and reducing the number of grain boundaries are crucial to maximize the charge carrier transport in organic–inorganic perovskite field-effect transistors (FETs).
Polymer-induced biofilms for enhanced biocatalysis
Here, we show how synthetic polymers, prepared by a combination of controlled radical polymerization and in-situ screening, can be used to address a biological challenge – how to improve biofilm formation – to provide solutions to a field – biocatalysis – of industrial and societal relevance.
From binary AB to ternary ABC supraparticles
Formation of partially covered binary AB and ternary ABC supraparticles.
Control of up-to-down/down-to-up light-induced ferroelectric polarization reversal
Control of the final state of polarization switched by illumination is achieved in BaTiO3 films by the manipulation of the internal electric fields by using suitable bottom electrodes.
The impacts of molecular adsorption on antiferromagnetic MnPS3 monolayers: enhanced magnetic anisotropy and intralayer Dzyaloshinskii–Moriya interaction
In two-dimensional (2D) magnetic systems, significant magnetic anisotropy is required to protect magnetic ordering against thermal fluctuation.
Double-type-I charge-injection heterostructure for quantum-dot light-emitting diodes
Enforcing balanced electron–hole injection into the emitter layer of quantum-dot light-emitting diodes through a double-type-I heterostructure using polymer semiconductors maximizes the quantum efficiency over a wide current density range.
Photomemristive sensing via charge storage in 2D carbon nitrides
We present a photomemristive sensing concept based on light-induced charge storage in the 2D carbon nitride K-PHI. Our design enables memory sensing with tuneable dynamic concentration ranges, combined with diverse operation and readout modes.
Hybrid fabrication of multimodal intracranial implants for electrophysiology and local drug delivery
New fabrication approaches for mechanically flexible implants hold the key to advancing the applications of neuroengineering in fundamental neuroscience and clinic.
Multi-compartment supracapsules made from nano-containers towards programmable release
We fabricate supracapsules, i.e. multi-compartment suprastructures formed by nanocapsules via droplet-templated assembly. Supracapsules not only retain the functions of the individual nanocapsules, but also allow programming the release of cargoes.
Blacklight sintering of ceramics
Illumination with photon energy above the band gap enables super-fast sintering of ceramics on-the-spot. This scalable container- and contactless process opens new design options and boosts flexibility while offering outstanding energy efficiency.
Elastomeric microwell-based triboelectric nanogenerators by in situ simultaneous transfer-printing
An ultrastretchable triboelectric nanogenerator is developed by simultaneous transfer printing. The nanogenerator demonstrates all-in-one, self-powered touch, motion and force sensing that can function as artificial skin for soft robotic components.
Pickering emulgels reinforced with host–guest supramolecular inclusion complexes for high fidelity direct ink writing
Direct ink writing (DIW) of Pickering emulsions offers great potential for constructing on-demand objects.
Biohybrid plants with electronic roots via in vivo polymerization of conjugated oligomers
Conjugated oligomers polymerize in vivo on the root system of intact plants forming an extended network of tissue integrated conductors while the plants continue to grow and develop. The conducting roots are used to store energy in the plant.
van der Waals solid solution crystals for highly efficient in-air photon upconversion under subsolar irradiance
The concept of van der Waals solid solutions has been demonstrated to yield photon upconversion (UC) organic crystals with extraordinary performance, opening a domain of versatile dispersion-force-based systems in the quest for superior UC solids.
Exploring and expanding the Fe-terephthalate metal–organic framework phase space by coordination and oxidation modulation
Modulated self-assembly of Fe-terephthalate metal–organic frameworks allows fine control over phase formation, offers insight into kinetic and thermodynamic landscapes, and the discovery of novel materials in an already well-studied complex system.
Freeform direct laser writing of versatile topological 3D scaffolds enabled by intrinsic support hydrogel
By combining a photocurable and a thermogelling hydrogel, it is possible to perform 3D freeform structuring via two-photon-polymerization and to manufacture concatenated parts without additional support structures.
Colossal expansion and fast motion in spin-crossover@polymer actuators
Bilayer spin-crossover nanocomposites show robust and controllable actuation cycles upon an electrical stimulus. The anisotropic shape of the particle and the mechanical coupling with the matrix can intensify the work output of the actuators.
Charge trapping with α-Fe2O3 nanoparticles accompanied by human hair towards an enriched triboelectric series and a sustainable circular bioeconomy
The PDMS@α-Fe2O3 NP film and human hair-based high performance TENG harvests mechanical energy while expanding waste hair utilization, initiating a rising approach toward the circular bio economy that will play a key role in avoiding climate crisis.
Light-controlled versatile manipulation of liquid metal droplets: a gateway to future liquid robots
A light-controlled method for the versatile manipulation of liquid metal droplets is introduced. This approach shows the ability of inducing concurrent motion of multiple liquid metal droplets using infrared light without complex and bulky systems.
Aged layered double hydroxide nanosheet–polyvinyl alcohol dispersions for enhanced gas barrier coating performance
The oxygen transmission rate of a PET coated film showed a 37-fold decrease using a dispersion of LDH nanosheets in polyvinyl alcohol that was prior aged for 8 weeks compared to the film coated with the equivalent freshly prepared LDH/PVA dispersion.
Boosting nanomedicine performance by conditioning macrophages with methyl palmitate nanoparticles
Methyl Palmitate Nanoparticles (MPN) boost the tumor accumulation and chemotherapeutic efficacy of nanomedicines by transiently and reversibly inhibiting the phagocytic properties of tissue-resident macrophages.
Hidden spontaneous polarisation in the chalcohalide photovoltaic absorber Sn2SbS2I3
We reveal spontaneous symmetry breaking in an emerging class of mixed-metal chalcohalides, yielding strong lattice polarisation which could aid electron–hole separation in solar photovoltaics.
Scalable nanoporous carbon films allow line-of-sight 3D atomic layer deposition of Pt: towards a new generation catalyst layer for PEM fuel cells
A self-supported, binder-free and scalable nanoporous carbon scaffold serves as an excellent host for the efficient and uniform atomic layer deposition of Pt nanoparticles, showing exemplary performance as a cathode catalyst layer in a PEM fuel cell.
Self-powered ultrasensitive and highly stretchable temperature–strain sensing composite yarns
A step towards functionally-integrated and autonomous systems, where functions such as sensing and energy storage/harvesting should ideally be carried out by a single material, while retaining its ability to withstand large elastic deformations.
Tilt and shift polymorphism in molecular perovskites
Tilt and shift polymorphism in molecular perovskites is introduced, categorising irreversible perovskite-to-perovskite phase transitions in a concise concept.
Metastable Ta2N3 with highly tunable electrical conductivity via oxygen incorporation
Metastable Ta2N3 with bixbyite structure is directly deposited by reactive magnetron sputtering. Concerted experimental and computational efforts reveal the crucial role of oxygen impurity in both the synthesis and in tuning the electronic structure.
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).
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.